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Public Tau Trigger Plots for Collision Data

Introduction

Approved plots that can be shown by ATLAS speakers at conferences and similar events.
Please do not add figures on your own. Contact the responsible project leader in case of questions and/or suggestions.

Run2

Publications

Preliminary Plots:

Plots for Summer 2019

Average rate of 𝜏-lepton triggers as a function of the average number of pileup interactions, in pp collisions at √s = 13 TeV delivered by the LHC between July and October 2018, corresponding to an integrated luminosity of 36.8 fb-1. Rates are shown for a) the single-tau trigger with an ET threshold of 160 GeV at the High Level Trigger (HLT), and b) the di-tau trigger with a L1Topo and a jet requirement at Level 1, and ET thresholds of 35 and 25 GeV at the HLT. The medium BDT (1-3 fast tracks) trigger described in ATLAS-CONF-2017-061 applies a requirement on the number of tracks reconstructed by a Fast Track Finder algorithm at HLT preselection level, and uses a Boosted Decision Tree algorithm for 𝜏-lepton identification. The track preselection reduces CPU and rates but induces inefficiency for 3-prong 𝜏-leptons at high pileup. The medium BDT (1-3 precision tracks) trigger is identical, except that the track multiplicity requirement is applied to precision tracks reconstructed at a later HLT stage. Efficiency at high pileup is recovered at the expense of a slight rate increase. The medium RNN (0-3 precision tracks) trigger applies a requirement on the number of precision tracks, and uses a Recurrent Neural Network algorithm for 𝜏-lepton identification. The larger increase in the RNN di-tau trigger rate at high pileup comes from HLT tau candidates with no associated track, which were included in the RNN trigger to recover efficiency at low ET. The single-tau trigger does not exhibit this behaviour due to its high-ET threshold.
a) [png] [pdf] [eps]

b) [png] [pdf] [eps]

Efficiency of 𝜏-lepton triggers as a function of the offline 𝜏-lepton transverse momentum pT, for an ET threshold of 12 GeV and a medium isolation requirement at Level 1, and an ET threshold of 25 GeV at the High Level Trigger (HLT). The efficiencies are estimated from Monte Carlo simulation using prompt 𝜏-leptons produced in W(𝜏ν)+jets and tt events. Efficiencies are computed with respect to a) 1-prong and b) 3-prong offline 𝜏-leptons passing the medium BDT identification criteria. The three 𝜏-lepton trigger versions present in the 2018 trigger menu are shown. The HLT tau25 medium BDT (1-3 fast tracks) trigger described in ATLAS-CONF-2017-061 applies a requirement on the number of tracks reconstructed by a Fast Track Finder algorithm at HLT preselection level, and uses a Boosted Decision Tree algorithm for 𝜏-lepton identification. This version has run for the whole Run-2 period. The HLT tau25 medium BDT (1-3 precision tracks) trigger is identical, except that the track multiplicity requirement is only applied to tracks from precision tracking reconstructed at a later HLT stage; this version has run for the whole 2018 data taking. The HLT tau25 medium RNN (0-3 precision tracks) trigger uses a Boosted Regression Tree for energy calibration (instead of the pileup and response corrections applied in BDT triggers) and a Recurrent Neural Network algorithm for 𝜏-lepton identification; this version was deployed in July 2018. Only statistical uncertainties are displayed. The three HLT versions have comparable trigger rates.
a) [png] [pdf] [eps]

b) [png] [pdf] [eps]
Efficiency of 𝜏-lepton triggers as a function of the average number of pileup interactions, for an ET threshold of 12 GeV and a medium isolation requirement at Level 1, and an ET threshold of 25 GeV at the High Level Trigger (HLT). The efficiencies are estimated from Monte Carlo simulation using prompt 𝜏-leptons produced in W(𝜏ν)+jets and tt events. Efficiencies are computed with respect to a) 1-prong and b) 3-prong offline 𝜏-leptons with pT > 30 GeV passing the medium BDT identification criteria. The three 𝜏-lepton trigger versions present in the 2018 trigger menu are shown. The HLT tau25 medium BDT (1-3 fast tracks) trigger described in ATLAS-CONF-2017-061 applies a requirement on the number of tracks reconstructed by a Fast Track Finder (FTF) algorithm at HLT preselection level, and uses a Boosted Decision Tree algorithm for 𝜏-lepton identification. This version has run for the whole Run-2 period. The inefficiency of the FTF track multiplicity requirement at high pileup is due to the larger number of fake tracks reconstructed from random hits alignment in the inner detector. The HLT tau25 medium BDT (1-3 precision tracks) trigger is identical, except that the track multiplicity requirement is only applied to tracks from precision tracking reconstructed at a later HLT stage; this version has run for the whole 2018 data taking. The HLT tau25 medium RNN (0-3 precision tracks) trigger uses a Boosted Regression Tree for energy calibration (instead of the pileup and response corrections applied in BDT triggers) and a Recurrent Neural Network algorithm for 𝜏-lepton identification; this version was deployed in July 2018. Only statistical uncertainties are displayed. The three HLT versions have comparable trigger rates.
a) [png] [pdf] [eps]

b) [png] [pdf] [eps]

Plots for ICHEP 2016 (Obsolete) ATL-COM-DAQ-2016-088

Tau trigger efficiency measured in data and compared to simulation, with respect to offline reconstructed tau candidate with one or three tracks and passing the offline medium identification criteria, as function of the offline transverse momentum. The trigger efficiency is measured in a tag and probe analysis with 𝑍 → 𝜏𝜏 → 𝜇𝜏ℎ𝑎𝑑 event from the 2016 dataset in 13TeV collision (8.0fb-1). The corresponding online tau requirements are transverse momentum above 25 GeV, between one and three tracks and pass the online medium identification. The error bars correspond to statistical uncertainty.
[png] [pdf] [eps]
Tau trigger efficiency measured in data with respect to offline reconstructed tau candidate with one or three tracks and passing the offline medium identification criteria, as function of the offline transverse momentum. The trigger efficiency is measured in a tag and probe analysis with 𝑍 → 𝜏𝜏 → 𝜇𝜏ℎ𝑎𝑑 event from the 2016 dataset in 13TeV collision (8.0fb-1). The corresponding online tau requirements are transverse momentum above 12 GeV and pass the isolation criteria at L1 and above 25 GeV, between one and three tracks and pass the online medium identification at HLT. The error bars correspond to statistical uncertainty.
[png] [pdf] [eps]
Tau trigger efficiency measured in data with respect to offline reconstructed tau candidate with transverse momentum above 30 GeV, one or three tracks and passing the offline medium identification criteria, as function of the number of pileup. The trigger efficiency is measured in a tag and probe analysis with 𝑍 → 𝜏𝜏 → 𝜇𝜏ℎ𝑎𝑑 event from the 2016 dataset in 13TeV collision (8.0fb-1). The corresponding online tau requirements are transverse momentum above 12 GeV and pass the isolation criteria at L1 and above 25 GeV, between one and three tracks and pass the online medium identification at HLT. The error bars correspond to statistical uncertainty.
[png] [pdf] [eps]

Plots for LHCC 2015 (Obsolete) ATL-COM-PHYS-2015-1392

The BDT tau identification score for online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of Z→ττ→μτ(had) events from the 2015 dataset in 13 TeV collisions, corresponding to an integrated luminosity of 3.3fb-1. These events are collected using a single muon trigger. The HLT tau candidates are matched with offline tau candidates passing the offline medium tau identification. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303. Only statistical uncertainties are shown.
[png] [pdf] [eps]
Tau trigger efficiency measured in data and compared to simulation, with respect to offline reconstructed tau candidates with transverse momentum above 25 GeV, one or three tracks and passing the offline medium identification requirement. The corresponding online tau candidate is required to have a transverse momentum of at least 25 GeV, between one and three tracks and pass the online medium identification requirement. The trigger efficiency is measured in an enriched sample of Z→ττ→μτ(had) events from the 2015 dataset in 13 TeV collisions, corresponding to an integrated luminosity of 3.3fb-1. These events are collected using a single muon trigger. The efficiency is plotted as function of the transverse momentum of the offline tau candidate. Error bars are statistical uncertainties. Further details are described in ATL-PHYSPUB-2015-025 and in Eur. Phys. J. C75 (2015) 303. Only statistical uncertainties are shown.
[png] [pdf] [eps]

Plots for Lepton Photon 2015 (Obsolete) ATL-COM-DAQ-2015-125

The transverse momentum distribution of online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of Z→ττ→μτ(had) events and are considered if matched to a tau candidate passing the offline medium tau identification criteria. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal Z→ττ Monte Carlo and a combined background consisting of Z→ll, W+jets, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The pseudo-rapidity distribution of online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of Z→ττ→μτ(had) events and are considered if matched to a tau candidate passing the offline medium tau identification criteria. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal Z→ττ Monte Carlo and a combined background consisting of Z→ll, W+jets, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The track multiplicity distribution, for tracks within a ΔR<0.2 of the tau axis, of online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of Z→ττ→μτ(had) events and are considered if matched to a tau candidate passing the offline medium tau identification criteria. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal Z→ττ Monte Carlo and a combined background consisting of Z→ll, W+jets, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The track multiplicity distribution, for tracks within a 0.2<ΔR<0.4 of the tau axis, of online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of Z→ττ→μτ(had) events and are considered if matched to a tau candidate passing the offline medium tau identification criteria. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal Z→ττ Monte Carlo and a combined background consisting of Z→ll, W+jets, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The fraction of transverse energy deposited in a cone of ∆R < 0.1 to the energy deposited in a cone of ∆R < 0.2 with respect to the tau axis for online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of Z→ττ→μτ(had) events and are considered if matched to a tau candidate passing the offline medium tau identification criteria. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal Z→ττ Monte Carlo and a combined background consisting of Z→ll, W+jets, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The BDT tau identification score for online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement.The HLT tau candidates are observed in an enriched sample of Z→ττ→μτ(had) events and are considered if matched to a tau candidate passing the offline medium tau identification criteria. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal Z→ττ Monte Carlo and a combined background consisting of Z→ll, W+jets, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The Level-1 tau trigger efficiency measured in data and compared to simulation, with respect to offline reconstructed tau candidates with transverse momentum above 20 GeV, one or three tracks and passing the offline medium identification criteria. The online tau candidates are reconstructed at Level-1 of the ATLAS trigger and are required to have a transverse energy of 12 GeV and pass the medium isolation criteria. The trigger efficiency is measured in an enriched sample of Z→ττ→μτ(had) events recorded in the first 13 TeV collisions in 2015. The efficiency is plotted as function of the transverse momentum of the offline tau candidate. Error bars are statistical uncertainties. Further details are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The combined Level-1 and HLT tau trigger efficiency measured in data and compared to simulation, with respect to offline reconstructed tau candidates with transverse momentum above 20 GeV, one or three tracks and passing the offline medium identification criteria. The corresponding online tau candidate is required to have a transverse momentum of at least 25 GeV, between one and three tracks and pass the online medium identification. The trigger efficiency is measured in an enriched sample of Z→ττ→μτ(had) events recorded in the first 13 TeV collisions in 2015. The efficiency is plotted as function of the transverse momentum of the offline tau candidate. Error bars are statistical uncertainties. Further details are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The transverse momentum distribution of online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of W→μν events and are likely to be jets originating from quarks or gluons that are reconstructed as tau jets and accepted by the tau trigger. Such fake tau candidates represent the dominant source of background in the measurement of the performance of the tau trigger for real tau leptons in Z→ττ events. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal W→μν+jets Monte Carlo and a combined background consisting of Z→ττ, Z→ll, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The pseudo-rapidity distribution of online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement.The HLT tau candidates are observed in an enriched sample of W→μν events and are likely to be jets originating from quarks or gluons that are reconstructed as tau jets and accepted by the tau trigger. Such fake tau candidates represent the dominant source of background in the measurement of the performance of the tau trigger for real tau leptons in Z→ττ events. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal W→μν+jets Monte Carlo and a combined background consisting of Z→ττ, Z→ll, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The track multiplicity distribution, for tracks within a ΔR<0.2 of the tau axis, of online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of W→μν events and are likely to be jets originating from quarks or gluons that are reconstructed as tau jets and accepted by the tau trigger. Such fake tau candidates represent the dominant source of background in the measurement of the performance of the tau trigger for real tau leptons in Z→ττ events. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal W→μν+jets Monte Carlo and a combined background consisting of Z→ττ, Z→ll, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The track multiplicity distribution, for tracks within a 0.2<ΔR<0.4 of the tau axis, of online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of W→μν events and are likely to be jets originating from quarks or gluons that are reconstructed as tau jets and accepted by the tau trigger. Such fake tau candidates represent the dominant source of background in the measurement of the performance of the tau trigger for real tau leptons in Z→ττ events. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal W→μν+jets Monte Carlo and a combined background consisting of Z→ττ, Z→ll, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The fraction of transverse energy deposited in a cone of ∆R < 0.1 to the energy deposited in a cone of ∆R < 0.2 with respect to the tau axis for online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of W→μν events and are likely to be jets originating from quarks or gluons that are reconstructed as tau jets and accepted by the tau trigger. Such fake tau candidates represent the dominant source of background in the measurement of the performance of the tau trigger for real tau leptons in Z→ττ events. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal W→μν+jets Monte Carlo and a combined background consisting of Z→ττ,Z→ll, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303.
[png] [pdf] [eps]
The BDT tau identification score for online tau candidates passing the HLT tau trigger with transverse momentum threshold at 25 GeV and online medium identification requirement. The HLT tau candidates are observed in an enriched sample of W→μν events and are likely to be jets originating from quarks or gluons that are reconstructed as tau jets and accepted by the tau trigger. Such fake tau candidates represent the dominant source of background in the measurement of the performance of the tau trigger for real tau leptons in Z→ττ events. Data has been recorded in the first 13 TeV collisions in 2015. The data are compared to a signal W→μν+jets Monte Carlo and a combined background consisting of Z→ττ,Z→ll, and Top Monte Carlo and a data driven multijet estimate. Only statistical uncertainties are shown. The ratio of the observed data to the expected signal and background events is also shown, where the red band shows the statistical uncertainty on the total expectation. Event selections and background estimations are described in ATL-PHYS-PUB-2015-025 and in Eur. Phys. J. C75 (2015) 303
[png] [pdf] [eps]

Plots for EPS 2015 (Obsolete) ATL-COM-DAQ-2015-097

Level 1 rates before prescale versus the instantaneous luminosity measured by ATLAS for L1 single-tau and combined tau+X chains. ‘TAU’, ‘EM’, ‘J’ and ‘XE’ indicate the type of L1 object, tau, electron, jet or missing energy, respectively. The digit before these names indicates the object multiplicity, while the digits after correspond to the ET requirement, e.g. a L1 ET > 30 GeV for L1 TAU30. ‘IM’ and ‘HI’ indicate that isolation requirements are applied. The data have been collected at a center-of-mass energy of 13 TeV in 2015, from the 6th to the 12th of July. L1_ALLTAU.png
[png][pdf][eps]
Level 1 rates before prescale versus the instantaneous luminosity measured by ATLAS for L1 di-tau chains. ‘TAU’ and ‘J’ indicate the type of L1 object, tau or jet, respectively. The digit before these names indicates the object multiplicity, while the digits after correspond to the ET requirement, e.g. a L1 ET > 20 GeV for L1 TAU20. ‘IM’ indicates that isolation requirements are applied. The data have been collected at a center-of-mass energy of 13 TeV in 2015, from the 6th to the 12th of July. L1_RATE_TAU_DI.png
[png][pdf][eps]
Comparison of the ATLAS HLT expected single-tau trigger efficiency in Run-I and Run-II simulations. The efficiency is computed for offline reconstructed tau candidates with transverse momentum above 20 GeV, one or three tracks and passing the offline medium identification criteria [Eur.Phys.J.C75(2015)303] in simulated Z→ ττ events, where one tau lepton decays leptonically and the other hadronically. The correspondent online tau candidate is required to have a transverse momentum of at least 35 GeV, between one and three tracks and passing the online medium identification. The efficiency is plotted as function of the transverse momentum of the offline tau candidate. Error bars are statistical uncertainties. The overall improvement in the trigger efficiency expected in Run-II is due to the new high-level trigger strategy which includes a more precise energy calibration, a faster tracking and an online identification requirement closer to the one used in the offline tau reconstruction. TurnOn_v0810-1.png
[png][pdf][eps]

Plots for EPS 2015 (Obsolete) ATL-COM-DAQ-2015-097

Transverse momentum and pseudo-rapidity distributions of online tau candidates passing the HLT tau trigger with transverse momentum threshold at 35 GeV and online medium identification requirement. These tau candidates are observed in W→μν events and are likely to be jets originated from quarks or gluons that are reconstructed as tau jets and accepted by the tau trigger. Such fake tau candidates represent the dominant source of background in the measurement of the performance of the tau trigger for real tau leptons in Z→𝜏𝜏 events. Data has been recorded in the first 13 TeV collisions in 2015. Events have been selected as described in ATL-PHYS-PUB-2015-025. Only statistical uncertainties are shown. c1403_trig_wjets_HLT_tau35_medium1_tracktwo_tauTrig1_0_HLT_pt.png
[png][pdf][eps]
Transverse momentum and pseudo-rapidity distributions of online tau candidates passing the HLT tau trigger with transverse momentum threshold at 35 GeV and online medium identification requirement. These tau candidates are observed in W→μν events and are likely to be jets originated from quarks or gluons that are reconstructed as tau jets and accepted by the tau trigger. Such fake tau candidates represent the dominant source of background in the measurement of the performance of the tau trigger for real tau leptons in Z→𝜏𝜏 events. Data has been recorded in the first 13 TeV collisions in 2015. Events have been selected as described in ATL-PHYS-PUB-2015-025. Only statistical uncertainties are shown. c1403_trig_wjets_HLT_tau35_medium1_tracktwo_tauTrig1_0_HLT_eta.png
[png][pdf][eps]

Run1

Publications

  • Identification and energy calibration of hadronically decaying tau leptons with the ATLAS experiment in pp collisions at √s = 8 TeV
    PERF-2013-06
  • Performance of the ATLAS tau trigger in p-p collisions at √s = 7 TeV
    ATLAS-CONF-2010-090

Preliminary Plots:

Plots for Summer 2013 (Obsolete)

The tau trigger efficiency, with respect to the offline tau candidates identified by the Boosted Decision Tree (BDT) algorithm, as a function of the offline tau transverse energy (pT). The trigger efficiency is measured with the full 2012 ATLAS dataset (20.3 fb­‐1), using a tag-­and-­probe analysis with Z -> τ_mu τ_had events similar to that described in the 2011 ATLAS tau trigger performance conference paper (ATLAS‐CONF­‐2013­‐006). The tau trigger considered here has calorimetric isolation and a pT threshold of 11 GeV at L1, a 20 GeV requirement on pT, the number of tracks restricted to three or less, and medium selection on the BDT score at the EF. The error bars correspond to the statistical uncertainty on the efficiency. tau_trig_2012_eff_L1L2EF_pt.png
[png] [eps]
The tau trigger efficiency, with respect to the offline tau candidates identified by the Boosted Decision Tree (BDT) algorithm, as a function of the number of primary vertices. The trigger efficiency is measured with the full 2012 ATLAS dataset (20.3 fb-1), using a tag-­and­‐probe analysis with Z -> τ_mu τ_had events similar to that described in the 2011 ATLAS tau trigger performance conference paper (ATLAS‐CONF­‐2013­‐006). The tau trigger considered here has calorimetric isolation and a pT threshold of 11 GeV at L1, a 20 GeV requirement on pT, the number of tracks restricted to three or less, and medium selection on the BDT score at the EF. To ensure the efficiency is measured on the plateau of this tau trigger, a threshold of 30 GeV is applied to the offline transverse energy (pT). The error bars correspond to the statistical uncertainty on the efficiency. tau_trig_2012_eff_L1L2EF_nvxp.png
[png] [eps]
The measured tau trigger efficiencies in both data and simulation, with respect to the offline tau candidates identified by the Boosted Decision Tree (BDT) algorithm, as a function of offline tau transverse energy (pT). The trigger efficiency is measured with the full 2012 ATLAS dataset (20.3 fb-1), using a tag-and-probe analysis with Z -> τ_mu τ_had events similar to that described in the 2011 ATLAS tau trigger performance conference paper (ATLAS‐CONF­‐2013­‐006). The ratio of the efficiency in data to that in simulation is also shown. The uncertainty bands on the ratio correspond to the statistical uncertainties associated to the data and simulation, and the systematic uncertainty associated to the background subtraction in data. The tau trigger considered here has calorimetric isolation and a pT threshold of 11 GeV at L1, a 20 GeV requirement pT, the number of tracks restricted to three or less, and medium selection on the BDT score at the EF. tau_trig_2012_eff_DataMC_pt.png
[png] [eps]
The measured resolution of the transverse energy (pT), with respect to the offline tau candidates identified by the Boosted Decision Tree (BDT) algorithm, at the first level of the ATLAS tau trigger chain in 2012 (level one, L1). The resolution is measured with the full ATLAS 2012 dataset (20.3 fb-1), using a tag-and-probe analysis with Z -> τ_mu τ_had events similar to that described in the 2011 ATLAS tau trigger performance conference paper (ATLAS‐CONF­‐2013­‐006). Data (dots) are compared to the simulation of the background and signal PDFs (stacked filled histograms). The statistical errors on the sum of the signal and background PDFs are shown (grey, hashed). The signal process, where a Z boson decays into two tau leptons, is shown in blue. The W+jets background, where a real muon comes from the W decay and a jet is misidentified as a hadronic tau candidate, is shown in yellow. The ‘Same Sign’ background, dominated by QCD multi-jet production where one jet fakes a prompt muon and the other fakes a hadronic tau candidate, is shown in green. This background is estimated in a data-driven manner from same-sign data events. The remaining SM processes which have smaller contributions, such as Z boson decays into two muons or two electrons, are shown in brown. The reconstructed energy at L1 is underestimated due to the lack of calibration at this trigger level. tau_trig_2012_resL1_pt.png
[png] [eps]
The measured resolution of the transverse energy (pT), with respect to the offline tau candidates identified by the Boosted Decision Tree (BDT) algorithm, at the second level of the ATLAS tau trigger chain in 2012 (level two, L2). The resolution is measured with the full ATLAS 2012 dataset (20.3 fb-1), using a tag-and-probe analysis with Z -> τ_mu τ_had events similar to that described in the 2011 ATLAS tau trigger performance conference paper (ATLAS‐CONF­‐2013­‐006). Data (dots) are compared to the simulation of the background and signal PDFs (stacked filled histograms). The statistical errors on the sum of the signal and background PDFs are shown (grey, hashed). The signal process, where a Z boson decays into two tau leptons, is shown in blue. The W+jets background, where a real muon comes from the W decay and a jet is misidentified as a hadronic tau candidate, is shown in yellow. The ‘Same Sign’ background, dominated by QCD multi-jet production where one jet fakes a prompt muon and the other fakes a hadronic tau candidate, is shown in green. This background is estimated in a data-driven manner from same-sign data events. The remaining SM processes which have smaller contributions, such as Z boson decays into two muons or two electrons, are shown in brown. The reconstructed energy at L2 is overestimated since it is a scalar sum of energy deposits within a square Region of Interest (RoI), and so it is sensitive to the geometry of the RoI. tau_trig_2012_resL2_pt.png
[png] [eps]
The measured resolution of the transverse energy (pT), with respect to the offline tau candidates identified by the Boosted Decision Tree (BDT) algorithm, at the final level of the ATLAS tau trigger chain in 2012 (event filter, EF). The resolution is measured with the full ATLAS 2012 dataset (20.3 fb-1), using a tag-and-probe analysis with Z -> τ_mu τ_had events similar to that described in the 2011 ATLAS tau trigger performance conference paper (ATLAS‐CONF­‐2013­‐006). Data (dots) are compared to the simulation of the background and signal PDFs (stacked filled histograms). The statistical errors on the sum of the signal and background PDFs are shown (grey, hashed). The signal process, where a Z boson decays into two tau leptons, is shown in blue. The W+jets background, where a real muon comes from the W decay and a jet is misidentified as a hadronic tau candidate, is shown in yellow. The ‘Same Sign’ background, dominated by QCD multi-jet production where one jet fakes a prompt muon and the other fakes a hadronic tau candidate, is shown in green. This background is estimated in a data-driven manner from same-sign data events. The remaining SM processes which have smaller contributions, such as Z boson decays into two muons or two electrons, are shown in brown. tau_trig_2012_resEF_pt.png
[png] [eps]

Plots for ICHEP 2012 (Obsolete) ATL-COM-DAQ-2012-139

Note that they are obsolete. Please use the plots with full dataset (20.3fb-1).

Efficiency of tau20_medium1 trigger, with respect to the offline tau candidates identified by the Boosted Decision Tree (BDT) algorithm, as a function of number of vertices measured in 2012 data. The trigger efficiency is measured using a tag and probe analysis with Z -> τ_mu τ_h events following the offline tau identification efficiency measurement in ATLAS-CONF-2011-152. The term tau20_medium1 implies a 20 GeV requirement on the transverse energy, number of tracks restricted up to 3 and medium selections on the BDT score at EF. ichep2012_eff_vs_nvtx_2012.png
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Efficiency of tau20_medium1 trigger, with respect to the offline tau candidates identified by the Boosted Decision Tree (BDT) algorithm, as a function of offline tau pT measured in 2012 data. The trigger efficiency is measured using a tag and probe analysis with Z -> τ_mu τ_h events following the offline tau identification efficiency measurement in ATLAS-CONF-2011-152. The term tau20_medium1 implies a 20 GeV requirement on the transverse energy, number of tracks restricted up to 3 and medium selections on the BDT score at EF. ichep2012_BDTeff_vs_pt_2012.png
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Shown are the trigger rates, for single and combined tau triggers, at EF as a function of instantaneous luminosity. The numerical figures in the name of each trigger chain correspond to the thresholds applied at EF. The symbol “xe” represents the missing transverse energy. ichep2012_trigrate_may14-Jun18.png
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Plots for L2 (Obsolete) ATL-COM-DAQ-2012-086

ΔZ0 distribution taken from 2012 (8 TeV) data, with a peak of eighteen interactions per bunch crossing. The ΔZ0 of a track associated with an L2 tau trigger object is defined as the Z0 difference with respect to the lead track Z0. Large values of ΔZ0 correspond to pileup tracks. A Lorentzian function is fitted to the distribution and the quoted value of σ integrates 68% of the area of the central peak. Dependence of the trigger variables on pileup is avoided when only tracks with -2mm < ΔZ0 < 2mm are considered. DatadZ0_convert.png
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ΔZ0 distribution from Z->ττ MC events with an average of eight interactions per bunch crossing. The ΔZ0 of a track associated with an L2 tau trigger object is defined as the Z0 difference with respect to the lead track Z0. Large values of ΔZ0 correspond to pileup tracks. The wide Gaussian distribution corresponds to pileup tracks while the central peak, displayed in the upper right hand side corner, corresponds to the main interaction tracks. A Lorentzian function is fitted to the central peak and the quoted value of the σ integrates 68% of the area. Dependence of the trigger variables on pileup is avoided when only tracks with -2mm < ΔZ0 < 2mm are considered. ZMCdZ0_i_convert.png
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Average L2 SumPtRatio as a function of the average number of interactions per bunch crossing in Z->ττ events. The SumPtRatio is the ratio of the scalar sum of the pT of all the tracks in the isolation region, defined as annulus 0.1<ΔR<0.3 with respect to the leading track in the RoI, to the scalar sum of the pT of all the tracks in the core region, defined as the ΔR<0.1 cone around the leading track. The ΔZ0 of a track associated with an L2 tau trigger object is defined as the Z0 distance with respect to the lead track. Pileup dependence is avoided when only tracks with -2mm < ΔZ0 < 2mm are considered. ZMCSumPtRatio_convert.png
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Marginal efficiencies for L2 SumPtRatio as well as L2 EM radius calculated in cones of ΔR < 0.2 and 0.4 are shown as a function of the average number of interactions per bunch crossing. EM radius is the electromagnetic energy weighted radius and SumPtRatio is the ratio of the scalar sum of pT of all tracks in an isolation region to that in a core region. The isolation region is the annulus 0.1<ΔR<0.3 around the direction of the highest momentum track, while the core region is defined to be a cone of radius ΔR<0.1. Average number of interactions per bunch crossing provides a measure of pileup. These marginal efficiencies have been calculated with respect to a specific L2 trigger selection optimized for low pT taus, L2_tau20_medium1. L2ConeComparison_convert.png
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Plots for CHEP 2012 (Obsolete) ATL-COM-DAQ-2012-035

Efficiency with respect to the offline identified tau candidates as a function of number of vertices measured in 2011. The efficiency of the tau20_medium trigger measured using a tag and probe analysis with Z ­‐> ττ ­‐> μh events collected by ATLAS in 2011. The term tau20_medium implies a 20 GeV requirement on the transverse energy at EF and medium selections on the shower shape variables. The analysis follows closely the tau ID efficiency measurement ATLAS-CONF­-2011-­152. chep2012_eff_vs_nvtx_2011.png
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Expected efficiency in 2012 with respect to the offline identified tau candidates as a function of number of vertices. The tau trigger is rerun on the full 2011 dataset from unbiased Z ­‐> ττ ‐> μh events, where muon trigger is used to collect Z ­‐> ττ ‐> μh data and measure the efficiency of the tau20_medium trigger by a tag and probe method. The term tau20_medium implies a 20 GeV requirement on the transverse energy at EF and medium selections on the shower shape variables. In 2012, smaller calorimeter cone size of 0.2 compared to 0.4 in 2011 and implementation of ΔZ selection with respect to the leading track (abs(ΔZ) < 2mm) will provide robustness against pile-­up. The analysis follows closely the tau ID efficiency measurement ATLAS-­CONF-­2011-­152. chep2012_eff_vs_nvtx_expected2012.png
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Expected efficiency in 2012 with respect to the offline identified tau candidates as a function of the offline tau pT. The tau trigger is rerun on the full 2011 dataset from unbiased Z ‐> ττ ‐> μh events, where muon trigger is used to collect Z ‐> ττ ­‐> μh data and measure the efficiency of the tau20_medium trigger by a tag and probe method. The selection applied at EF is based on multivariate technique. The figure is based on Boosted Decision Tree method. In 2012, the BDT-­‐based tau triggers will be used as the baseline. chep2012_BDTeff_vs_pt_expected2012.png
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Expected efficiency in 2012 with respect to the offline identified tau candidates as a function of the offline tau pT. The tau trigger is rerun on the full 2011 dataset from unbiased Z ‐> ττ ‐> μh events, where muon trigger is used to collect Z ‐> ττ ­‐> μh data and measure the efficiency of the tau20_medium trigger by a tag and probe method. The selection applied at EF is based on multivariate technique. The figure is based on log-likelihood method. In 2012, the BDT-­‐based tau triggers will be used as the baseline. chep2012_LLHeff_vs_pt_expected2012.png
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Performance of the multivariate‐based tau triggers at EF. The signal efficiency is defined with respect to the offline identified tau candidates from the truth tau and the background rejection is from a jet. The figure shows 1‐prong tau trigger candidates for BDT-­ and LLH-­based triggers. The trigger decision is optimized to be 85% and 80% with respect to the offline candidates for 1­‐prong and multi-­prong, respectively. chep2012_EFsignal_vs_rejection_1prong.png
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Performance of the multivariate‐based tau triggers at EF. The signal efficiency is defined with respect to the offline identified tau candidates from the truth tau and the background rejection is from a jet. The figure shows multi‐prong tau trigger candidates for BDT-­ and LLH-­based triggers. The trigger decision is optimized to be 85% and 80% with respect to the offline candidates for 1­‐prong and multi-­prong, respectively. chep2012_EFsignal_vs_rejection_multiprong.png
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Shown are the trigger rates as a function of instantaneous luminosity for combined tau triggers. A linear rise in rates is seen in data taken after the April technical stop. This is due to the small cone size (0.2) and implementation of ΔZ selection with respect to the leading track (abs(ΔZ) < 2mm) at the HLT. The numerical figures in the name of each trigger chain correspond to the transverse energy or momentum threshold applied at EF. chep2012_trigrate_may1-9.png
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Plots for Winter 2012 (Obsolete) ATL-COM-DAQ-2012-001

Level 1 rates before prescale versus the instantaneous luminosity measured by ATLAS for L1 tau items that seed tau chains at HLT. The last digits in the L1 item name correspond to the ET requirement, e.g. a L1 ET > 11 GeV for L1 TAU11. The data have been collected at a center-of-mass energy of 7 TeV in 2011. ALlperiodL1.png
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Cross-section (rate to luminosity ratio) versus the average number of interactions per bunch crossings measured by ATLAS for L1 tau items that seed tau chains at HLT. The last digits in the L1 item name correspond to the ET requirement, e.g. a L1 ET > 11 GeV for L1 TAU11. The data have been collected at a center-of-mass energy of 7 TeV in 2011. ALlperiodL1mu.png
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Event Filter output rates versus the instantaneous luminosity measured by ATLAS for selected HLT tau chains. The numbers in the item names correspond to ET requirements at EF for a given trigger type, e.g. a muon candidate with ET > 15 GeV in mu15. The saturation in the rates of single and di-tau triggers, while a not fully linear increase in combined triggers are due to the 0.4 cone size used to calculate the energy at L2 and EF, which is found to be very sensitive to high pile-up. The data have been collected at a center-of-mass energy of 7 TeV from March to July in 2011. periodI.png
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Event Filter output rates versus the instantaneous luminosity measured by ATLAS for selected HLT tau chains. The numbers in the item names correspond to ET requirements at EF for a given trigger type, e.g. an electron candidate with ET > 15 GeV in e15. The saturation in the rates of single tau trigger and a not fully linear increase in combined triggers are due to the 0.4 cone size used to calculate the energy at L2 and EF, which is found to be very sensitive to high pile-up. The data have been collected at a center-of-mass energy of 7 TeV in August 2011. periodK.png
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Event Filter output rates versus the instantaneous luminosity measured by ATLAS for selected HLT tau chains. The numbers in the item names correspond to ET requirements at EF for a given trigger type, missing transverse energy > 35 GeV in xe35. MET significance, denoted by xs, is defined as MET/(a(sqrt(SumEt)-b)) where a, b are constants determined from the data. In an item containing xsZ term, the trigger requires xs to be above Z/10. The decrease in tau+xs triggers rate is due to the increase in the SumEt at high luminosity. The data have been collected at a center-of-mass energy of 7 TeV in August 2011. periodK2.png
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Event Filter output rates versus the instantaneous luminosity measured by ATLAS for selected HLT tau chains collected from September to October 2011. The numbers in the item names correspond to ET requirements at EF for a given trigger type, e.g. an electron candidate with ET > 15 GeV in e15vh, where vh implies that the η dependent ET selections were applied at L1 and the energy in core of the hadronic calorimeter is required to be smaller than 1 GeV. The data have been collected at a center-of-mass energy of 7 TeV in 2011. periodL.png
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Efficiency of the EF_tau16_loose trigger measured using a tag and probe analysis with Z -> ττ -> μh events collected by ATLAS during Summer 2011. The term tau16_loose implies a 16 GeV requirement on the transverse energy and very loose selections on the shower shape variables of an EF tau candidate . The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_EF_tau16_loose_tau_pt_custom_fine.png
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Efficiency of the EF_tau20_medium1 trigger measured using a tag and probe analysis with Z -> ττ -> μh events collected by ATLAS during Summer 2011. The term tau20_medium1 implies a 20 GeV requirement on the transverse energy, medium selections on the shower shape variables and strict requirement on the number of tracks for an EF tau candidate . The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_EF_tau20_medium1_tau_pt_custom_fine.png
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Efficiency of the EF_tau29_medium trigger measured using a tag and probe analysis with Z -> ττ -> μh events collected by ATLAS during Summer 2011. The term tau29_medium implies a 29 GeV requirement on the transverse energy, medium selections on the shower shape variables for an EF tau candidate . The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_EF_tau29_medium_tau_pt_custom_fine.png
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Efficiency of the EF_tau29_medium1 trigger measured using a tag and probe analysis with Z -> ττ -> μh events collected by ATLAS during Summer 2011. The term tau29_medium1 implies a 29 GeV requirement on the transverse energy, medium selections on the shower shape variables and strict requirement on the number of tracks for an EF tau candidate . The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_EF_tau29_medium1_tau_pt_custom_fine.png
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Resolution of the L1 cluster energy with respect to the pT of offline tau candidates. The L1 object is required to be associated to the EF_tau20_medium1 chain and match to an offline probe tau within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z -> ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_L1_ptres.png
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Resolution of the L1 η with respect to the η of offline tau candidates. The L1 object is required to be associated to the EF_tau20_medium1 chain and match to an offline probe tau within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z -> ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_L1_etares.png
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Resolution of the L1 φ with respect to the φ of offline tau candidates. The L1 object is required to be associated to the EF_tau20_medium1 chain and match to an offline probe tau within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z -> ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_L1_phires.png
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Resolution of the L2 tau pT with respect to the pT of offline tau candidates. The L2 tau is required to be associated to the EF_tau20_medium1 chain and match to an offline probe tau within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z -> ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_L2_ptres.png
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Resolution of the L2 tau η with respect to the η of offline tau candidates. The L2 tau is required to be associated to the EF_tau20_medium1 chain and match to an offline probe tau within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z -> ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_L2_etares.png
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Resolution of the L2 tau φ with respect to the φ of offline tau candidates. The L2 tau is required to be associated to the EF_tau20_medium1 chain and match to an offline probe tau within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_L2_phires.png
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Resolution of the EF tau φ with respect to the φ of offline tau candidates. The EF tau is required to be associated to the EF_tau20_medium1 chain and match to an offline probe tau within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_EF_phires.png
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Isolation energy of L1 objects associated to the EF_tau20_medium1 chain and matched to offline probe taus within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_L1_EMIsol.png
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Energy weighted radius of L2 taus associated to the EF_tau20_medium1 chain and matched to offline probe taus within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_L2_EMRad.png
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Number of tracks of L2 taus associated to the EF_tau20_medium1 chain and matched to offline probe taus within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_L2_ntrack.png
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Summed pT of tracks within ΔR<0.1 of L2 taus associated to the EF_tau20_medium1 chain and matched to offline probe taus within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_L2_PtSumCore.png
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Total transverse energy within ΔR<0.4 of L2 taus associated to the EF_tau20_medium1 chain and matched to offline probe taus within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency ATLAS-CONF-2011-152. c_L2_etNor.png
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Energy weighted radius of EF taus associated to the EF_tau20_medium1 chain and matched to offline probe taus within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_EF_EMRad.png
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Ratio of the tau ET to the leading track pT of EF taus associated to the EF_tau20_medium1 chain and matched to offline probe taus within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_EF_etOverPtLead.png
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Number of tracks of EF taus associated to the EF_tau20_medium1 chain and matched to offline probe taus within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_EF_ntrack.png
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pT weighted track radius of EF taus associated to the EF_tau20_medium1 chain and matched to offline probe taus within ΔR<0.2. The offline candidates are selected using a tag and probe analysis with Z ->ττ -> μh events collected by ATLAS during Summer 2011. The analysis follows closely the Tau ID efficiency measurement ATLAS-CONF-2011-152. c_EF_trkAvgDist.png
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Plots for PostLP 2011 (Obsolete) ATL-COM-DAQ-2011-065

EF_tau20_medium1 efficiency:
Efficiency of the EF\_tau20\_medium1 trigger chain with respect to offline reconstructed tau candidates, as a function of the offline $\pt$. The trigger includes a strict requirement on the number of tracks associated to the trigger object in addition to the regular 'medium' selection. The measurement was made using a tag and probe analysis with $Z\rightarrow\tau\tau\rightarrow\mu h$ events in 2011 data. The tau candidates are required to pass medium identification criteria. The analysis follows closely the method from the $Z\rightarrow\tau\tau$ cross-section measurement http://arxiv.org/abs/1108.2016.
EF_tau20_medium1_tau_Pt_Period-F-G_ToyMC.png
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EF_tau29_medium1 efficiency:
Efficiency of the EF\_tau29\_medium1 trigger chain with respect to offline reconstructed tau candidates, as a function of the offline $\pt$. The trigger includes a strict requirement on the number of tracks associated to the trigger object in addition to the regular 'medium' selection. The measurement was made using a tag and probe analysis with $Z\rightarrow\tau\tau\rightarrow\mu h$ events in 2011 data. The tau candidates are required to pass medium identification criteria. The analysis follows closely the method from the $Z\rightarrow\tau\tau$ cross-section measurement http://arxiv.org/abs/1108.2016.
EF_tau29_medium1_tau_Pt_Period-F-G_ToyMC.png
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L2 transverse energy:
Distribution of transverse energy in a cone of radius 0.4 around the tau direction at L2. The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the black points represent the data. A dijet selection has been applied to select the events in data.
EtNor.png
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L2 track multiplicity:
Distribution of track multiplicity in a cone of radius 0.1 around the tau direction at L2. The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the black points represent the data. A dijet selection has been applied to select the events in data.
nCoreTracks.png
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L2 scalar sum of transverse momentum of tracks:
Distribution of the scalar sum of transverse momentum of tracks in a cone of radius 0.1 around the tau direction at L2. The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the black points represent the data. A dijet selection has been applied to select the events in data.
PtCore.png
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L2 electromagnetic radius:
Distribution of the electromagnetic radius, $R_{\mathrm{EM}}$, at L2. The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the black points represent the data. A dijet selection has been applied to select the events in data.
EMRadius.png
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EF-offline comparision of track multiplicity:
Distribution of track multiplicity for Event Filter (EF) and offline reconstructed tau candidates. The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. Based on the limited information available, a looser selection is applied at EF level causing a slight shift on this distribution with respect to offline.
numTrack.png
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EF-offline comparision of average track distance for 1-prong taus:
Distribution of $p_{\mathrm{T}}$ weighted track width, $R_{\mathrm{track}}$, for Event Filter (EF) and offline reconstructed tau candidates with exactly 1 associated track (1-prong). The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. Based on the limited information available, a looser selection is applied at EF level causing a slight shift on this distribution with respect to offline.
TrkAvgDist1P.png
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EF-offline comparision of average track distance for 3-prong taus:
Distribution of $p_{\mathrm{T}}$ weighted track width, $R_{\mathrm{track}}$, for Event Filter (EF) and offline reconstructed tau candidates with exactly 3 associated track (3-prong). The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. Based on the limited information available, a looser selection is applied at EF level causing a slight shift on this distribution with respect to offline.
TrkAvgDist3P.png
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EF-offline comparision of the electromagnetic radius for 1-prong taus:
Distribution of radius of energy deposits in electromagnetic calorimeters, $R_{\mathrm{EM}}$, for Event Filter (EF) and offline reconstructed tau candidates with exactly 1 associated track (1-prong). The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. A less precise energy calibration applied at EF causes a shift on this distribution with respect to offline.
EMRadius1P.png
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EF-offline comparision of the electromagnetic radius for 3-prong taus:
Distribution of radius of energy deposits in electromagnetic calorimeters, $R_{\mathrm{EM}}$, for Event Filter (EF) and offline reconstructed tau candidates with exactly 3 associated track (3-prong). The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. A less precise energy calibration applied at EF causes a shift on this distribution with respect to offline.
EMRadius3P.png
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EF-offline comparision of calorimeter radius for 1-prong taus:
Distribution of energy weighted radius of energy deposits in calorimeters, $R_{\mathrm{cal}}$, for Event Filter (EF) and offline reconstructed tau candidates with exactly 1 associated track (1-prong). The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. A less precise energy calibration applied at EF causes a shift on this distribution with respect to offline.
CalRadius1P.png
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EF-offline comparision of calorimeter radius for 3-prong taus:
Distribution of energy weighted radius of energy deposits in calorimeters, $R_{\mathrm{cal}}$, for Event Filter (EF) and offline reconstructed tau candidates with exactly 3 associated track (3-prong). The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. A less precise energy calibration applied at EF causes a shift on this distribution with respect to offline.
CalRadius3P.png
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EF-offline comparision of track momentum over leading track momentum for 1-prong taus:
Distribution of the fraction of the leading track momentum to the transverse tau energy, $f_{\mathrm{track}}$, for Event Filter (EF) and offline reconstructed tau candidates with exactly 1 associated track (1-prong). The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. Based on the limited information available, a looser selection is applied at EF level causing a slight shift on this distribution with respect to offline.
etOverleadTrkPt1P.png
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EF-offline comparision of track momentum over leading track momentum for 3-prong taus:
Distribution of the fraction of the leading track momentum to the transverse tau energy, $f_{\mathrm{track}}$, for Event Filter (EF) and offline reconstructed tau candidates with exactly 3 associated track (3-prong). The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. Based on the limited information available, a looser selection is applied at EF level causing a slight shift on this distribution with respect to offline.
etOverleadTrkPt3P.png
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EF-offline comparision of centrality fraction for 1-prong taus:
Distribution of the ratio of the transverse energy in a cone of radius 0.1 to the transverse energy in a larger cone of radius 0.4 around the tau direction, $f_{\mathrm{core}}$, for Event Filter (EF) and offline reconstructed tau candidates with exactly 1 associated track (1-prong). The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. A less precise energy calibration applied at EF causes a shift on this distribution with respect to offline.
CentFrac1P.png
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EF-offline comparision of centrality fraction for 3-prong taus:
Distribution of the ratio of the transverse energy in a cone of radius 0.1 to the transverse energy in a larger cone of radius 0.4 around the tau direction, $f_{\mathrm{core}}$, for Event Filter (EF) and offline reconstructed tau candidates with exactly 3 associated track (3-prong). The hatched histogram represents the combined contributions from Ztautau -> tau tau, W -> tau nu and Z' -> tau tau signal Monte Carlo samples while the points represent the data. A dijet selection has been applied to select the events in data. A less precise energy calibration applied at EF causes a shift on this distribution with respect to offline.
CentFrac3P.png
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Plots for PLHC 2011 (Obsolete) ATL-COM-DAQ-2011-035

tau16_loose efficiency with simulation:
Fraction of the offline tau candidates with tight cut-based identification passing L1, L2 and EF of the tau16_loose trigger as a function of the calibrated ET of the offline tau candidate. Distributions are produced from Monte-Carlo (MC) Z->tau tau events. The ET requirements are 7 GeV at L1, 12 GeV at L2 and 16 GeV at EF. Loose selection corresponds to softer cuts on shower shape variables at trigger level than used in offline.
tau16_loose_Ztautau_menutest_plotapproval.png
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tau29_medium efficiency with simulation:
Fraction of the offline tau candidates with tight cut-based identification passing L1, L2 and EF of the tau29_medium single trigger as a function of the calibrated ET of the offline tau candidate. Distributions are produced from Monte-Carlo (MC) ??tt events. The ET requirements are 11 GeV at L1, 23 GeV at L2 and 29 GeV at EF. Medium selection corresponds to moderate cuts on shower shape variables
tau29_medium_Ztautau_menutest_plotapproval.png
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Background rejection with respect to L1:
QCD jet rejection factors of different High Level Trigger (HLT) tau chains determined from collision data taken in 2011. The numbers given are with respect to the output of the associated Level 1 (L1) tau trigger item. The red and black bars show the rejection after Level 2 and EF, respectively.
Rejection_HLT.png
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L1 rate before prescale:
Level 1 (L1) rates before prescale versus the instantaneous luminosity measured by ATLAS for four different L1 tau items that are feeding primary High Level Trigger (HLT) tau chains. The last digits in the L1 item name correspond to the ET requirement, e.g. a L1 ET > 11 GeV for L1_TAU11. The data has been collected in 14 runs at a centre-of-mass energy of 7 TeV in spring 2011.
tau_L1rates.png
[png] [eps]
EF output rate:
Event Filter (EF) output rates versus the instantaneous luminosity measured by ATLAS for four selected High Level Trigger (HLT) tau chains. The numbers in the item names correspond to ET requirements at EF for a given trigger type, e.g. a muon candidate with ET > 15 GeV in mu15 or missing transverse energy > 35 GeV in xe35. The data has been collected in 14 runs at a centre-of-mass energy of 7 TeV in spring 2011.
tau_HLTrates.png
[png] [eps]

Plots for PLHC 2011 (Obsolete) ATL-COM-DAQ-2011-035

Efficiency of 16 GeV tau trigger using tight cut-based offline candidates:
Fraction of offline tau candidates with tight cut-based identification passing the 16 GeV tau trigger, for di-jet events firing a 50 GeV jet trigger in data and QCD di-jet MC, and signal taus from H(120GeV) -> tau tau . Differences between data and signal due to wider shower profile of jets.
dataGtoI_DiJet_tauCutTight_EF_j50_jetNoEF_EF_tau16_loose_tau_pt.png
[png] [eps]
Efficiency of 50 GeV tau trigger using tight cut-based offline candidates:
Fraction of offline tau candidates with tight cut-based identification passing the 50 GeV tau trigger, for di-jet events firing the 75 GeV jet trigger in data and QCD di-jet MC, and signal taus from H(120GeV) -> tau tau . Discrepancy between data and QCD di-jet MC attributed to imperfect modeling of EF variables in MC.
dataGtoI_DiJet_tauCutTight_EF_j75_jetNoEF_EF_tau50_loose_tau_pt.png
[png] [eps]

tau12_loose efficiency from electron channel :
Fraction of tau candidates with tight cut-based identification passing tau12_loose for Z -> tau tau in the electron channel for data and MC. eT Data 2010 refers to the total efficiency for all selected events, while eS Data 2010 refers to the trigger estimated after background correction. eS MC refers to efficiency for all selected events in signal MC. Statistical errors only are shown.
ZToTauTau_Oregon_eff12loo_e.png
[png] [eps]
tau12_loose efficiency from muon channel :
Fraction of tau candidates with tight cut-based identification passing tau12_loose for Z -> tau tau in the muon channel for data and MC. eT Data 2010 refers to the total efficiency for all selected events, while eS Data 2010 refers to the trigger estimated after background correction. eS MC refers to efficiency for all selected events in signal MC. Statistical errors only are shown.
ZToTauTau_Oregon_eff12loo_mu.png
[png] [eps]
tau16_loose efficiency from electron channel:
Fraction of tau candidates with tight cut-based identification passing tau16_loose for Z -> tau tau in the electron channel for data and MC. eT Data 2010 refers to the total efficiency for all selected events, while eS Data 2010 refers to the trigger estimated after background correction. eS MC refers to efficiency for all selected events in signal MC. Statistical errors only are shown.
ZToTauTau_Oregon_eff16loo_e.png
[png] [eps]
tau16_loose efficiency from muon channel:
Fraction of tau candidates with tight cut-based identification passing tau16_loose for Z -> tau tau in the muon channel for data and MC. eT Data 2010 refers to the total efficiency for all selected events, while eS Data 2010 refers to the trigger estimated after background correction. eS MC refers to efficiency for all selected events in signal MC. Statistical errors only are shown.
ZToTauTau_Oregon_eff16loo_mu.png
[png] [eps]
Efficiency plot combining electron and muon channel :
Tau trigger efficiency from combined electron and muon channels for Z -> tau tau events in data after background correction, for EF_tau12_loose and tau16_loose, versus offline tau candidate pT. Statistical errors only are shown.
ZToTauTau_Oregon_eff.png
[png] [eps]

Tau Trigger plots for approval for Tau2010 (Obsolete) ATL-COM-DAQ-2010-130

L1 Tau11 turn on curve:
Fraction of the offline tau candidates matched to a L1 trigger object with ET > 11 GeV as a function of the uncalibrated ET of the offline tau candidate. The small differences at low ET can be attributed to inefficiencies in the forward region of the detector.
L1Tau11TurnOn.png
[eps] [pdf]
L1 Tau20 turn on curve:
Fraction of the offline tau candidates matched to a L1 trigger object with ET > 20 GeV as a function of the uncalibrated ET of the offline tau candidate. The small differences at low ET can be attributed to inefficiencies in the forward region of the detector.
L1Tau20TurnOn.png
[eps] [pdf]
L1 and HLT efficiency tau12_loose:
Fraction of the offline tau candidates passing L1, L2 and EF tau12_loose single trigger as a function of the ET of the offline tau candidate. Distributions are done on Monte-Carlo (MC) W -> tau(had)nu events. Requirements for ET are 5 GeV at L1, 7 GeV at L2 and 12 GeV at EF.
turnonL1L2EF_wtau_12.png
[png] [pdf]
L1 and HLT rejection tau12_loose:
Fraction of the background offline tau candidates passing L1, L2 and EF tau12_loose trigger as a function of the ET of the offline tau candidate. Requirements for ET are 5 GeV at L1, 7 GeV at L2 and 12 GeV at EF. Distributions are done on Monte-Carlo (MC) Minimum Bias simulated with PYTHIA and on data from Minimum Bias stream. Without any tuning for underlying event, the PYTHIA simulation reproduces remarkably well the observed background rejection performance in the data. Tuned PYTHIA simulations are expected to show better agreement with data results, as observed in recent tau identification offline studies.
turnonL1L2EF_minbias_12.png
[png] [pdf]
Tau +missing ET triggers, rate run 161118:
Primary tau trigger items for physics analyses requiring final states with tau leptons decaying hadronically and large missing transverse energy. Triggers for 1030 – 1032 cm-2 s-1 are illustrated. At 1030 cm-2 s-1 , a simpler requirement of L1 tau ET > 5 GeV with at least one track with pT > 6 GeV at L2 and missing ET > 15 at EF can be afforded (tauNoCut_hasTrk6_EFxe15_noMu). For higher luminosities, at L2 and EF trigger levels a more sophisticated tau identification and missing ET thresholds at all trigger levels must be required (tau12_loose_xe15_noMu and tau12_loose_xe20_noMu). The suffix _noMu indicates that no muon corrections are applied on the missing ET measurement.
rate_taumet_161118.png
[png] [pdf]
Tau single triggers, rate run 161118:
Dynamical prescaling during a run allows to optimize efficiency of physics sample collection. Examples from a few single tau triggers. The naming of the trigger indicates the ET threshold applied at Event Filter , the third and last trigger level.
rate_singletau_161118.png
[png] [pdf]
Tau cosmic triggers, rate run 161118:
Tau trigger chains monitoring non collisions contributions to the rate. L1 tau trigger with ET> 5 GeV in coincidence with isolated unpaired bunch (tauNoCut_unpaired) or first empty bunch (tauNoCut_firstempty) or all empty bunches (tauNoCut_cosmic). HLT is in monitoring mode (no rejection). Cosmic item is very usefull to spot also hot regions in detector.
rate_cosmic_161118.png
[png] [pdf]

7 TeV plots for approval from tau trigger group ATL-COM-DAQ-2010-042

L1 tau trigger turn-on curve (before and after L1 calo timing correction):
Fraction of the offline tau candidates matched to a L1 trigger object with ET > 5 GeV as a function of the ET of the offline tau candidate.
L1TauTurnOn7TeV_A.png
[png] [eps]
L1 tau trigger turn-on curve:
Fraction of the offline tau candidates matched to a L1 trigger object with ET > 5 GeV as a function of the ET of the offline tau candidate.
L1TauTurnOn7TeV_B.png
[png] [eps]
Cumulative L1 tau trigger rate vs. ET threshold (full range):
Cumulative L1 tau trigger rate as a function of the L1 tau object ET threshold, normalized to one colliding bunch pair. For a given threshold value, the objects considered have a transverse energy greater than this value. Only events passing the 10 ns requirement on the time difference measured by the two sides of the minimum bias scintillator triggers are shown for 900 GeV (blue dotted line) and 7 TeV (red dashed line) data.
L1TauRateThresh7TeV.png
[png] [eps]
Cumulative L1 tau trigger rate vs. ET threshold (up to 50 GeV incl. errors):
Cumulative L1 tau trigger rate as a function of the L1 tau object ET threshold, normalized to one colliding bunch pair. For a given threshold value, the objects considered have a transverse energy greater than this value. Only events passing the 10 ns requirement on the time difference measured by the two sides of the minimum bias scintillator triggers are shown for 900 GeV (blue boxes) and 7 TeV (red triangles) data.
L1TauRateThresh7TeVErrors.png
[png] [eps]

2009 Data @ 900 GeV

Performance of the ATLAS tau trigger in p-p collisions at √s = 900 GeV ATLAS-CONF-2010-021

* http://cdsweb.cern.ch/record/1277653


Major updates:
-- MPilarCasado - 06-Jun-2011

Responsible: MPilarCasado
Subject: public

  • ratio.png:
    ratio.png

  • TrigEff_0prong_0ETA_2BDT_25trig__n_avg_int_cor.root.png:
    TrigEff_0prong_0ETA_2BDT_25trig__n_avg_int_cor.root.png

  • TrigEff_0prong_0ETA_2BDT_25trig.root.png:
    TrigEff_0prong_0ETA_2BDT_25trig.root.png
Topic attachments
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PNGpng TrigEff_0prong_0ETA_2BDT_25trig.root.png r1 manage 13.6 K 2016-08-01 - 13:09 DanieleZanzi  
Unknown file formateps TrigEff_0prong_0ETA_2BDT_25trig__n_avg_int_cor.root.eps r1 manage 11.2 K 2016-08-01 - 13:09 DanieleZanzi  
PDFpdf TrigEff_0prong_0ETA_2BDT_25trig__n_avg_int_cor.root.pdf r1 manage 15.2 K 2016-08-01 - 13:09 DanieleZanzi  
PNGpng TrigEff_0prong_0ETA_2BDT_25trig__n_avg_int_cor.root.png r1 manage 14.7 K 2016-08-01 - 13:09 DanieleZanzi  
Unknown file formateps TrkAvgDist1P.eps r1 manage 18.7 K 2011-08-26 - 18:58 MarcusMorgenstern  
PNGpng TrkAvgDist1P.png r1 manage 29.8 K 2011-08-26 - 18:59 MarcusMorgenstern  
Unknown file formateps TrkAvgDist3P.eps r1 manage 17.2 K 2011-08-26 - 18:59 MarcusMorgenstern  
PNGpng TrkAvgDist3P.png r1 manage 30.2 K 2011-08-26 - 18:59 MarcusMorgenstern  
PDFpdf TurnOn_v0810-1.pdf r1 manage 15.1 K 2015-08-12 - 15:24 MatthewBeckingham Updated efficiency plots
PNGpng TurnOn_v0810-1.png r1 manage 82.9 K 2015-08-12 - 15:27 MatthewBeckingham  
Unknown file formateps TurnOn_v0810.eps r1 manage 10.3 K 2015-08-12 - 15:24 MatthewBeckingham Updated efficiency plots
Unknown file formateps ZToTauTau_Oregon_eff.eps r1 manage 9.8 K 2011-06-07 - 12:42 MPilarCasado  
PNGpng ZToTauTau_Oregon_eff.png r1 manage 15.6 K 2011-06-07 - 12:43 MPilarCasado  
Unknown file formateps ZToTauTau_Oregon_eff12loo_e.eps r1 manage 10.5 K 2011-06-07 - 12:43 MPilarCasado  
PNGpng ZToTauTau_Oregon_eff12loo_e.png r1 manage 16.0 K 2011-06-07 - 12:43 MPilarCasado  
Unknown file formateps ZToTauTau_Oregon_eff12loo_mu.eps r1 manage 10.5 K 2011-06-07 - 12:43 MPilarCasado  
PNGpng ZToTauTau_Oregon_eff12loo_mu.png r1 manage 16.0 K 2011-06-07 - 12:44 MPilarCasado  
Unknown file formateps ZToTauTau_Oregon_eff16loo_e.eps r1 manage 10.5 K 2011-06-07 - 12:44 MPilarCasado  
PNGpng ZToTauTau_Oregon_eff16loo_e.png r1 manage 16.0 K 2011-06-07 - 12:44 MPilarCasado  
Unknown file formateps ZToTauTau_Oregon_eff16loo_mu.eps r1 manage 10.5 K 2011-06-07 - 12:45 MPilarCasado  
PNGpng ZToTauTau_Oregon_eff16loo_mu.png r1 manage 15.9 K 2011-06-07 - 12:45 MPilarCasado  
Unknown file formateps c1403_trig_wjets_HLT_tau35_medium1_tracktwo_tauTrig1_0_HLT_pt.eps r1 manage 18.7 K 2015-07-20 - 17:55 DanieleZanzi  
PDFpdf c1403_trig_wjets_HLT_tau35_medium1_tracktwo_tauTrig1_0_HLT_pt.pdf r1 manage 51.3 K 2015-07-20 - 17:59 DanieleZanzi  
PNGpng c1403_trig_wjets_HLT_tau35_medium1_tracktwo_tauTrig1_0_HLT_pt.png r1 manage 132.5 K 2015-07-20 - 18:07 DanieleZanzi  
Unknown file formateps c1404_trig_wjets_HLT_tau35_medium1_tracktwo_tauTrig1_0_HLT_eta.eps r1 manage 18.5 K 2015-07-20 - 17:55 DanieleZanzi  
PDFpdf c1404_trig_wjets_HLT_tau35_medium1_tracktwo_tauTrig1_0_HLT_eta.pdf r1 manage 50.7 K 2015-07-20 - 17:59 DanieleZanzi  
PNGpng c1404_trig_wjets_HLT_tau35_medium1_tracktwo_tauTrig1_0_HLT_eta.png r1 manage 129.2 K 2015-07-20 - 18:07 DanieleZanzi  
Unknown file formateps c_EF_EMRad.eps r1 manage 28.9 K 2012-01-28 - 11:39 MansooraShamim  
PNGpng c_EF_EMRad.png r2 r1 manage 78.6 K 2012-01-28 - 20:35 MansooraShamim  
Unknown file formateps c_EF_etOverPtLead.eps r1 manage 30.9 K 2012-01-28 - 11:41 MansooraShamim  
PNGpng c_EF_etOverPtLead.png r2 r1 manage 77.6 K 2012-01-28 - 20:36 MansooraShamim  
Unknown file formateps c_EF_etares.eps r1 manage 31.7 K 2012-01-28 - 11:41 MansooraShamim  
PNGpng c_EF_etares.png r2 r1 manage 79.5 K 2012-01-28 - 20:36 MansooraShamim  
Unknown file formateps c_EF_ntrack.eps r1 manage 17.4 K 2012-01-28 - 11:42 MansooraShamim  
PNGpng c_EF_ntrack.png r2 r1 manage 55.3 K 2012-01-28 - 20:36 MansooraShamim  
Unknown file formateps c_EF_phires.eps r1 manage 29.3 K 2012-01-28 - 11:42 MansooraShamim  
PNGpng c_EF_phires.png r2 r1 manage 77.2 K 2012-01-28 - 20:36 MansooraShamim  
Unknown file formateps c_EF_ptres.eps r1 manage 29.5 K 2012-01-28 - 11:43 MansooraShamim  
PNGpng c_EF_ptres.png r2 r1 manage 78.3 K 2012-01-28 - 20:37 MansooraShamim  
Unknown file formateps c_EF_tau16_loose_tau_pt_custom_fine.eps r1 manage 19.1 K 2012-01-28 - 11:44 MansooraShamim  
PNGpng c_EF_tau16_loose_tau_pt_custom_fine.png r2 r1 manage 60.8 K 2012-01-28 - 20:37 MansooraShamim  
Unknown file formateps c_EF_tau20_medium1_tau_pt_custom_fine.eps r1 manage 18.8 K 2012-01-28 - 11:45 MansooraShamim  
PNGpng c_EF_tau20_medium1_tau_pt_custom_fine.png r2 r1 manage 60.7 K 2012-01-28 - 20:38 MansooraShamim  
Unknown file formateps c_EF_tau29_medium1_tau_pt_custom_fine.eps r1 manage 18.1 K 2012-01-28 - 11:46 MansooraShamim  
PNGpng c_EF_tau29_medium1_tau_pt_custom_fine.png r2 r1 manage 57.7 K 2012-01-28 - 20:38 MansooraShamim  
Unknown file formateps c_EF_tau29_medium_tau_pt_custom_fine.eps r1 manage 18.1 K 2012-01-28 - 11:46 MansooraShamim  
PNGpng c_EF_tau29_medium_tau_pt_custom_fine.png r2 r1 manage 57.7 K 2012-01-28 - 20:38 MansooraShamim  
Unknown file formateps c_EF_trkAvgDist.eps r1 manage 31.8 K 2012-01-28 - 11:47 MansooraShamim  
PNGpng c_EF_trkAvgDist.png r2 r1 manage 87.2 K 2012-01-28 - 20:38 MansooraShamim  
Unknown file formateps c_L1_EMIsol.eps r1 manage 16.1 K 2012-01-28 - 11:52 MansooraShamim  
PNGpng c_L1_EMIsol.png r2 r1 manage 51.0 K 2012-01-28 - 20:39 MansooraShamim  
Unknown file formateps c_L1_EMIsol_log.eps r1 manage 18.5 K 2012-01-28 - 11:52 MansooraShamim  
PNGpng c_L1_EMIsol_log.png r1 manage 62.0 K 2012-01-28 - 20:39 MansooraShamim  
Unknown file formateps c_L1_etares.eps r1 manage 24.9 K 2012-01-28 - 17:22 MansooraShamim  
PNGpng c_L1_etares.png r2 r1 manage 67.4 K 2012-01-28 - 20:39 MansooraShamim  
Unknown file formateps c_L1_phires.eps r1 manage 24.4 K 2012-01-28 - 11:58 MansooraShamim  
PNGpng c_L1_phires.png r2 r1 manage 69.0 K 2012-01-28 - 20:40 MansooraShamim  
Unknown file formateps c_L1_ptres.eps r1 manage 30.6 K 2012-01-28 - 17:23 MansooraShamim  
PNGpng c_L1_ptres.png r2 r1 manage 84.6 K 2012-01-28 - 20:40 MansooraShamim  
Unknown file formateps c_L2_EMRad.eps r1 manage 27.5 K 2012-01-28 - 17:38 MansooraShamim  
PNGpng c_L2_EMRad.png r2 r1 manage 77.5 K 2012-01-28 - 20:41 MansooraShamim  
Unknown file formateps c_L2_PtSumCore.eps r1 manage 25.8 K 2012-01-28 - 12:21 MansooraShamim  
PNGpng c_L2_PtSumCore.png r2 r1 manage 85.1 K 2012-01-28 - 20:44 MansooraShamim  
PNGpng c_L2_etNor.png r2 r1 manage 74.0 K 2012-01-28 - 20:43 MansooraShamim  
PNGpng c_L2_etares.png r2 r1 manage 82.8 K 2012-01-28 - 20:42 MansooraShamim  
Unknown file formateps c_L2_ntrack.eps r1 manage 16.0 K 2012-01-28 - 12:23 MansooraShamim  
PNGpng c_L2_ntrack.png r2 r1 manage 47.9 K 2012-01-28 - 20:43 MansooraShamim  
Unknown file formateps c_L2_phires.eps r1 manage 30.5 K 2012-01-28 - 12:23 MansooraShamim  
PNGpng c_L2_phires.png r2 r1 manage 83.9 K 2012-01-28 - 20:43 MansooraShamim  
Unknown file formateps c_L2_ptres.eps r1 manage 30.5 K 2012-01-28 - 12:22 MansooraShamim  
PNGpng c_L2_ptres.png r2 r1 manage 77.1 K 2012-01-28 - 20:44 MansooraShamim  
Unknown file formateps dataGtoI_DiJet_tauCutTight_EF_j50_jetNoEF_EF_tau16_loose_tau_pt.eps r1 manage 16.5 K 2011-06-08 - 09:41 MPilarCasado  
PNGpng dataGtoI_DiJet_tauCutTight_EF_j50_jetNoEF_EF_tau16_loose_tau_pt.png r1 manage 28.2 K 2011-06-08 - 09:41 MPilarCasado  
Unknown file formateps dataGtoI_DiJet_tauCutTight_EF_j75_jetNoEF_EF_tau50_loose_tau_pt.eps r1 manage 14.8 K 2011-06-08 - 09:41 MPilarCasado  
PNGpng dataGtoI_DiJet_tauCutTight_EF_j75_jetNoEF_EF_tau50_loose_tau_pt.png r1 manage 26.6 K 2011-06-08 - 09:41 MPilarCasado  
Unknown file formateps etOverleadTrkPt1P.eps r1 manage 18.6 K 2011-08-26 - 18:46 MarcusMorgenstern  
PNGpng etOverleadTrkPt1P.png r1 manage 27.5 K 2011-08-26 - 18:46 MarcusMorgenstern  
Unknown file formateps etOverleadTrkPt3P.eps r1 manage 17.6 K 2011-08-26 - 18:46 MarcusMorgenstern  
PNGpng etOverleadTrkPt3P.png r1 manage 29.3 K 2011-08-26 - 18:46 MarcusMorgenstern  
Unknown file formateps fig_01.eps r1 manage 10.7 K 2011-06-06 - 14:32 MPilarCasado  
PNGpng fig_01.png r1 manage 33.2 K 2011-06-06 - 14:32 MPilarCasado  
Unknown file formateps fig_02.eps r1 manage 10.3 K 2011-06-06 - 14:33 MPilarCasado  
PNGpng fig_02.png r1 manage 33.7 K 2011-06-06 - 14:33 MPilarCasado  
Unknown file formateps fig_03.eps r1 manage 10.1 K 2011-06-06 - 14:33 MPilarCasado  
PNGpng fig_03.png r1 manage 30.0 K 2011-06-06 - 14:34 MPilarCasado  
Unknown file formateps fig_04.eps r1 manage 10.2 K 2011-06-06 - 14:34 MPilarCasado  
PNGpng fig_04.png r1 manage 32.5 K 2011-06-06 - 14:34 MPilarCasado  
Unknown file formateps fig_05.eps r1 manage 9.3 K 2011-06-06 - 14:34 MPilarCasado  
PNGpng fig_05.png r1 manage 32.0 K 2011-06-06 - 14:35 MPilarCasado  
Unknown file formateps fig_06.eps r1 manage 9.5 K 2011-06-06 - 14:35 MPilarCasado  
PNGpng fig_06.png r1 manage 29.1 K 2011-06-06 - 14:35 MPilarCasado  
Unknown file formateps fig_07.eps r1 manage 9.2 K 2011-06-06 - 14:35 MPilarCasado  
PNGpng fig_07.png r1 manage 31.7 K 2011-06-06 - 14:36 MPilarCasado  
Unknown file formateps fig_08.eps r1 manage 9.6 K 2011-06-06 - 14:36 MPilarCasado  
PNGpng fig_08.png r1 manage 31.7 K 2011-06-06 - 14:36 MPilarCasado  
Unknown file formateps fig_09.eps r1 manage 9.4 K 2011-06-06 - 14:37 MPilarCasado  
PNGpng fig_09.png r1 manage 28.7 K 2011-06-06 - 14:37 MPilarCasado  
Unknown file formateps fig_10.eps r1 manage 10.5 K 2011-06-06 - 14:38 MPilarCasado  
PNGpng fig_10.png r1 manage 40.3 K 2011-06-06 - 14:38 MPilarCasado  
Unknown file formateps fig_11.eps r1 manage 9.6 K 2011-06-06 - 14:39 MPilarCasado  
PNGpng fig_11.png r1 manage 24.7 K 2011-06-06 - 14:39 MPilarCasado  
Unknown file formateps fig_12.eps r1 manage 23.3 K 2011-06-06 - 14:40 MPilarCasado  
PNGpng fig_12.png r1 manage 58.3 K 2011-06-06 - 14:40 MPilarCasado  
Unknown file formateps fig_13.eps r1 manage 9.0 K 2011-06-06 - 14:40 MPilarCasado  
PNGpng fig_13.png r1 manage 22.5 K 2011-06-06 - 14:41 MPilarCasado  
Unknown file formateps fig_14.eps r1 manage 7.8 K 2011-06-06 - 14:41 MPilarCasado  
PNGpng fig_14.png r1 manage 18.5 K 2011-06-06 - 14:42 MPilarCasado  
Unknown file formateps nCoreTracks.eps r1 manage 10.9 K 2011-08-26 - 18:57 MarcusMorgenstern  
PNGpng nCoreTracks.png r1 manage 18.7 K 2011-08-26 - 18:57 MarcusMorgenstern  
Unknown file formateps numTrack.eps r1 manage 12.8 K 2011-08-26 - 18:58 MarcusMorgenstern  
PNGpng numTrack.png r1 manage 22.9 K 2011-08-26 - 18:58 MarcusMorgenstern  
Unknown file formateps periodI.eps r1 manage 23.9 K 2012-01-26 - 18:24 MansooraShamim  
PNGpng periodI.png r1 manage 27.3 K 2012-01-26 - 18:25 MansooraShamim  
Unknown file formateps periodK.eps r1 manage 26.8 K 2012-01-26 - 18:25 MansooraShamim  
PNGpng periodK.png r1 manage 28.3 K 2012-01-26 - 18:25 MansooraShamim  
Unknown file formateps periodK2.eps r1 manage 25.9 K 2012-01-26 - 18:25 MansooraShamim  
PNGpng periodK2.png r1 manage 23.8 K 2012-01-26 - 18:26 MansooraShamim  
Unknown file formateps periodL.eps r1 manage 21.7 K 2012-01-26 - 18:26 MansooraShamim  
PNGpng periodL.png r1 manage 26.0 K 2012-01-26 - 18:26 MansooraShamim  
PDFpdf rate_cosmic_161118.pdf r1 manage 72.1 K 2011-06-06 - 12:35 MPilarCasado  
PNGpng rate_cosmic_161118.png r1 manage 85.7 K 2011-06-06 - 12:35 MPilarCasado  
PDFpdf rate_singletau_161118.pdf r1 manage 68.4 K 2011-06-06 - 12:36 MPilarCasado  
PNGpng rate_singletau_161118.png r1 manage 80.1 K 2011-06-06 - 12:36 MPilarCasado  
PDFpdf rate_taumet_161118.pdf r1 manage 74.3 K 2011-06-06 - 12:36 MPilarCasado  
PNGpng rate_taumet_161118.png r1 manage 86.7 K 2011-06-06 - 12:36 MPilarCasado  
Unknown file formateps ratio.eps r1 manage 29.0 K 2016-08-01 - 13:09 DanieleZanzi  
PDFpdf ratio.pdf r1 manage 21.2 K 2016-08-01 - 13:09 DanieleZanzi  
PNGpng ratio.png r1 manage 18.4 K 2016-08-01 - 13:09 DanieleZanzi  
Unknown file formateps tau16_loose_Ztautau_menutest_plotapproval.eps r2 r1 manage 11.4 K 2011-06-09 - 10:08 MPilarCasado  
PNGpng tau16_loose_Ztautau_menutest_plotapproval.png r2 r1 manage 17.4 K 2011-06-09 - 10:08 MPilarCasado  
Unknown file formateps tau29_medium_Ztautau_menutest_plotapproval.eps r2 r1 manage 11.6 K 2011-06-09 - 10:08 MPilarCasado  
PNGpng tau29_medium_Ztautau_menutest_plotapproval.png r2 r1 manage 18.0 K 2011-06-09 - 10:08 MPilarCasado  
Unknown file formateps tau_HLTrates.eps r1 manage 22.3 K 2011-06-07 - 12:41 MPilarCasado  
PNGpng tau_HLTrates.png r1 manage 16.5 K 2011-06-07 - 12:41 MPilarCasado  
Unknown file formateps tau_L1rates.eps r1 manage 22.2 K 2011-06-07 - 15:21 MPilarCasado  
PNGpng tau_L1rates.png r1 manage 17.9 K 2011-06-07 - 12:42 MPilarCasado  
PDFpdf turnonL1L2EF_minbias_12.pdf r1 manage 16.9 K 2011-06-06 - 12:39 MPilarCasado  
PNGpng turnonL1L2EF_minbias_12.png r1 manage 38.7 K 2011-06-06 - 12:39 MPilarCasado  
PDFpdf turnonL1L2EF_wtau_12.pdf r1 manage 15.2 K 2011-06-06 - 12:40 MPilarCasado  
PNGpng turnonL1L2EF_wtau_12.png r1 manage 33.0 K 2011-06-06 - 12:40 MPilarCasado  
Edit | Attach | Watch | Print version | History: r39 < r38 < r37 < r36 < r35 | Backlinks | Raw View | WYSIWYG | More topic actions
Topic revision: r39 - 2019-07-11 - BertrandMartin
 
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