-- ElisabettaGallo - 2016-12-21

Summary performance Plots for 2016 data

Total HLT_IsoMu24 OR HLT_IsoTkMu24 Efficiency
Efficiency as a function of pT for the OR of the HLT_IsoMu24 and HLT_IsoTkMu24 with respect to the offline reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV as well as passing an isolation selection.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img43380c351c4bf7922f236bf8e65c39b3.png

Total HLT_IsoMu24 OR HLT_IsoTkMu24 Efficiency
Efficiency as a function of η for the OR of the HLT_IsoMu24 and HLT_IsoTkMu24 with respect to the offline reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV as well as passing an isolation selection.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img7d2d4a599b64099478ec57c17307f0b0.png

Total HLT_IsoMu24 OR HLT_IsoTkMu24 Efficiency- zoomed in
Efficiency as a function of η for the OR of the HLT_IsoMu24 and HLT_IsoTkMu24 with respect to the offline reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV as well as passing an isolation selection.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img70e2489b45150c3bea818e50615a4cb9.png

Total HLT_IsoMu24 OR HLT_IsoTkMu24 Efficiency
Efficiency as a function of the number of reconstructed vertices for the OR of the HLT_IsoMu24 and HLT_IsoTkMu24 with respect to the offline reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV as well as passing an isolation selection.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img2159e68b1d578c0bc159a361620816cd.png

Total HLT_IsoMu24 OR HLT_IsoTkMu24 Efficiency- zoomed in
Efficiency as a function of the number of reconstructed vertices for the OR of the HLT_IsoMu24 and HLT_IsoTkMu24 with respect to the offline reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV as well as passing an isolation selection.
[Get pdf version]
Contact: Benjamin Radburn-Smith
imgf684d27ddd34ddf2609df664415f9e64.png

HLT_IsoMu24 OR HLT_IsoTkMu24 Efficiency- wrt L1
Efficiency as a function of pT for the OR of the HLT_IsoMu24 and HLT_IsoTkMu24 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV as well as passing an isolation selection.
[Get pdf version]
Contact: Benjamin Radburn-Smith
imgb9c1af61bf37bb4fa3a7147396955072.png

HLT_IsoMu24 OR HLT_IsoTkMu24 Efficiency- wrt L1
Efficiency as a function of eta for the OR of the HLT_IsoMu24 and HLT_IsoTkMu24 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV as well as passing an isolation selection.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img1c881a4f0e889cee23cc5374177b3904.png

HLT_IsoMu24 OR HLT_IsoTkMu24 Efficiency- wrt L1 zoomed in
Efficiency as a function of eta for the OR of the HLT_IsoMu24 and HLT_IsoTkMu24 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV as well as passing an isolation selection.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img610a75dfd0bbb891800b5e3999c484ff.png

HLT_IsoMu24 OR HLT_IsoTkMu24 Efficiency- wrt L1
Efficiency as a function of the number of reconstructed vertices for the OR of the HLT_IsoMu24 and HLT_IsoTkMu24 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV as well as passing an isolation selection.
[Get pdf version]
Contact: Benjamin Radburn-Smith
imgf6ffef4d786df4bbc60295cfb8978d6c.png

HLT_IsoMu24 OR HLT_IsoTkMu24 Efficiency- wrt L1 zoomed in
Efficiency as a function of the number of reconstructed vertices for the OR of the HLT_IsoMu24 and HLT_IsoTkMu24 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV as well as passing an isolation selection.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img7c81199546047b9a95d9ae2c54a12c61.png

HLT_Mu24 OR HLT_TkMu24 Efficiency wrt L1
Efficiency of the reconstruction as a function of pT for the OR of the HLT_Mu24 and HLT_TkMu24 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img2c9de62cd9dbd9b8f71e2fb656dd573e.png

HLT_Mu24 OR HLT_TkMu24 Efficiency wrt L1
Efficiency of the reconstruction as a function of eta for the OR of the HLT_Mu24 and HLT_TkMu24 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
imgb969d104e98c213812dbdf998341a29d.png

HLT_Mu24 OR HLT_TkMu24 Efficiency wrt L1 - zoomed in
Efficiency of the reconstruction as a function of eta for the OR of the HLT_Mu24 and HLT_TkMu24 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img4f9f2b2d7878940d2ec5561cf9d4caef.png

HLT_Mu24 OR HLT_TkMu24 Efficiency wrt L1
Efficiency of the reconstruction as a function of the number of reconstructed vertices for the OR of the HLT_Mu24 and HLT_TkMu24 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img117d62295dabb835e4592dbc48fbad2d.png

HLT_Mu24 OR HLT_TkMu24 Efficiency wrt L1 - zoomed in
Efficiency of the reconstruction as a function of the number of reconstructed vertices for the OR of the HLT_Mu24 and HLT_TkMu24 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 24 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
imgdba0af954879934f4416bd49e841a185.png

Total HLT_Mu50 OR HLT_TkMu50 Efficiency
Efficiency as a function of pT for the OR of the HLT_Mu50 and HLT_TkMu50 with respect to the offline reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 50 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img9e12f480bf2d3c7e034ec4a1dcf7807c.png

Total HLT_Mu50 OR HLT_TkMu50 Efficiency
Efficiency as a function of eta for the OR of the HLT_Mu50 and HLT_TkMu50 with respect to the offline reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 50 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img8116f4a45be71ee264b6e32bff49428c.png

Total HLT_Mu50 OR HLT_TkMu50 Efficiency - zoomed in
Efficiency as a function of eta for the OR of the HLT_Mu50 and HLT_TkMu50 with respect to the offline reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 50 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img6d54a7f2c9db9fe8671f25c33f538784.png

Total HLT_Mu50 OR HLT_TkMu50 Efficiency
Efficiency as a function of the number of reconstructed vertices for the OR of the HLT_Mu50 and HLT_TkMu50 with respect to the offline reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 50 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
imged74e61058515b227fdf6ae0715b691b.png

Total HLT_Mu50 OR HLT_TkMu50 Efficiency - zoomed in
Efficiency as a function of the number of reconstructed vertices for the OR of the HLT_Mu50 and HLT_TkMu50 with respect to the offline reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 50 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img323f9aa4ddf709c0969c4f3d12c3aa80.png

HLT_Mu50 OR HLT_TkMu50 Efficiency wrt L1
Efficiency as a function of pT for the OR of the HLT_Mu50 and HLT_TkMu50 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 50 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img157fb96947bcb10a76e27ee3e28f9a26.png

HLT_Mu50 OR HLT_TkMu50 Efficiency wrt L1
Efficiency as a function of eta for the OR of the HLT_Mu50 and HLT_TkMu50 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 50 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img7d16401164f1ecf600de33ecec1cd7e9.png

HLT_Mu50 OR HLT_TkMu50 Efficiency wrt L1 - zoomed in
Efficiency as a function of eta for the OR of the HLT_Mu50 and HLT_TkMu50 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 50 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
imgccce54bc201fd0fcad9440d1e34e9448.png

HLT_Mu50 OR HLT_TkMu50 Efficiency wrt L1
Efficiency as a function of the number of reconstructed vertices for the OR of the HLT_Mu50 and HLT_TkMu50 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 50 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img9da8e7282371a243f44af1927261ee3a.png

HLT_Mu50 OR HLT_TkMu50 Efficiency wrt L1 - zoomed in
Efficiency as a function of the number of reconstructed vertices for the OR of the HLT_Mu50 and HLT_TkMu50 with respect to the L1 online reconstructed muon passing identification and isolation requirements. These two trigger paths require a muon reconstructed online with pT > 50 GeV.
[Get pdf version]
Contact: Benjamin Radburn-Smith
img763ca8f1629db0bd4f695338b3b06f9d.png

Jet trigger efficiency
The trigger efficiency measured in the single muon events, as a function of the offline reconstructed (AK4) jet, showing the efficiency to reconstruct and identify the (AK4) jet at the High Level Trigger (HLT). The offline and online jets are reconstructed using the Particle Flow algorithm. The trigger was re-­run to reproduce the HLT jets in order to match them with the offline jets. The pseudorapidity range to reconstruct the jets was restricted to abs(eta)<2.4.The integrated luminosity used is 7.5 fb-1. [Get pdf version]
Contact: Milos Dordevic
imgeb234d6b95ece8a38dabf54d4730d46b.png

MET Trigger efficiency
HLT_PFMET170_HBHE_BeamHaloCleaned seeded by full set of L1ETM (up to L1ETM120)
The Level-1 and HLT efficiency measured in single electron events, as a function of the offline missing transverse energy. The events were selected using single electron triggers, required to have at least one offline electron and to have no offline muons. The events with muons are not included in the plots because the MET reconstructed at Level-1 do not include contributions from muons, while the offline MET includes them in the reconstruction. Both the offline and online MET are reconstructed with the Particle Flow algorithm. The integrated luminosity used is 7.5 fb-1. [Get pdf version]
Contact: Milos Dordevic
imgc182b089d03fa7fc330948ff05028d30.png

Efficiency w.r.t. Electron pT in EB
Electron trigger efficiency as a function of the reconstructed electron transverse momentum (pT) in the barrel part of the detector with pseudorapidity abs(η)≤ 1.479 in the full 2016 dataset corresponding to 36.3 fb-1 collected at sqrt(s)=13 TeV. The efficiency is measured by a Z in ee tag-and-probe method with respect to cut-based tight electron identification. The plotted uncertainties are statistical only. The last bin includes the overflow, i.e. also probes with pT>200 GeV. HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight are the lowest transverse energy threshold unprescaled single electron triggers that require ET>27 GeV and 25 GeV respectively, the latter also being restricted to abs(η)<2.17. HLT_Ele23_CaloIdL_TrackIdL_IsoVL and HLT_Ele12_CaloIdL_TrackIdL_IsoVL are the two legs of the lowest threshold unprescaled dielectron trigger HLT_Ele23_Ele12_CaloIdL_TrackIdL_IsoVL_DZ that requires ET>23 (12) GeV for the leading (subleading) electron. The “DZ” requirement on the distance of closest approach in Z direction between the two electron tracks is ~ 99.5% efficient. Electron triggers are seeded via a logical OR of various level-1 trigger items. At the highest instantaneous luminosities, the level-1 ET threshold was higher than the HLT threshold contributing to the delayed turn-on of the efficiency as a function of pT. In particular for the single electron triggers shown here, the lowest unprescaled L1 seed required an isolation criteria to be passed and had a threshold of ET=26 GeV at L = 1.05∙1034 cm-2s-1 increasing to ET=34 GeV above L = 1.45∙1034 cm-2s-1. Several other sources contributed to inefficiencies for the single electron triggers HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight. The most important of these are the selection on H/E (the ratio of the energy measured in the hadron calorimeter and the electron energy), the electromagnetic and hadron calorimeter isolations, and the track fit 𝜒2 in the endcap region.
[Get pdf version]
Contact: Arun Kumar
imgde57a547cbc0da7680361a5646e113f1.png

Efficiency w.r.t. Electron pT in EE
Electron trigger efficiency as a function of the reconstructed electron transverse momentum (pT) in endcap part of the detector with pseudorapidity 1.479 <abs(η)≤ 2.5 in the full 2016 dataset corresponding to 36.3 fb-1 collected at sqrt(s)=13 TeV. The efficiency is measured by a Z in ee tag-and-probe method with respect to cut-based tight electron identification. The reconstructed electron pseudorapidity is restricted to the acceptance of the trigger path that is abs(η)<2.5 except where specified elsewhere.  The plotted uncertainties are statistical only. The last bin includes the overflow, i.e. also probes with pT>200 GeV. HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight are the lowest transverse energy threshold unprescaled single electron triggers that require ET > 27 GeV and 25 GeV respectively, the latter also being restricted to abs(η)<2.17. HLT_Ele23_CaloIdL_TrackIdL_IsoVL and HLT_Ele12_CaloIdL_TrackIdL_IsoVL are the two legs of the lowest threshold unprescaled dielectron trigger HLT_Ele23_Ele12_CaloIdL_TrackIdL_IsoVL_DZ that requires ET >23 (12) GeV for the leading (sub-leading) electron. The “DZ” requirement on the distance of closest approach in Z direction between the two electron tracks is ~ 99.5% efficient. At the highest instantaneous luminosities, the level-1 ET threshold was higher than the HLT threshold contributing to the delayed turn-on of the efficiency as a function of pT. In particular for the single electron triggers shown here, the lowest unprescaled L1 seed required an isolation criteria to be passed and had a threshold of ET=26 GeV at L = 1.05∙1034 cm-2s-1 increasing to ET=34 GeV above L = 1.45∙1034 cm-2s-1. Several other sources contributed to inefficiencies for the single electron triggers HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight. The most important of these are the selection on H/E (the ratio of the energy measured in the hadron calorimeter and the electron energy), the electromagnetic and hadron calorimeter isolations, and the track fit 𝜒2 in the endcap region.
[Get pdf version]
Contact: Arun Kumar
img0b24481aca829cf457831fe99adcefe9.png

Efficiency w.r.t. Electron Eta (pT > 50 GeV)
Electron trigger efficiency as a function of the reconstructed electron pseudo rapidity (η) in the full 2016 dataset corresponding to 36.3 fb-1 collected at sqrt(s)=13 TeV. The efficiency is measured by a Z in ee tag-and-probe method with respect to cut-based tight electron identification. It is required that the reconstructed electron transverse momentum (pT) is greater than 50 GeV to show the behavior on the efficiency plateau in pT.  The plotted uncertainties are statistical only. HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight are the lowest transverse energy threshold unprescaled single electron triggers that require ET>27 GeV and 25 GeV respectively, the latter also being restricted to abs(η)<2.17.  HLT_Ele23_CaloIdL_TrackIdL_IsoVL and HLT_Ele12_CaloIdL_TrackIdL_IsoVL are the two legs of the lowest threshold unprescaled dielectron trigger HLT_Ele23_Ele12_CaloIdL_TrackIdL_IsoVL_DZ that requires ET>23 (12) GeV for the leading (subleading) electron. The “DZ” requirement on the distance of closest approach in Z direction between the two electron tracks is ~ 99.5% efficient. At the highest instantaneous luminosities, the level-1 ET threshold was higher than the HLT threshold contributing to the efficiency loss at lower pT. In particular for the single electron triggers shown here, the lowest unprescaled L1 seed required an isolation criteria to be passed and had a threshold of ET=26 GeV at L = 1.05∙1034 cm-2s-1 increasing to ET=34 GeV above L = 1.45∙1034 cm-2s-1. Several other sources contributed to inefficiencies for the single electron triggers HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight. The most important of these are the selection on H/E (the ratio of the energy measured in the hadron calorimeter and the electron energy), the electromagnetic and hadron calorimeter isolations, and the track fit 𝜒2 in the endcap region.
[Get pdf version]
Contact: Arun Kumar
imgc70b9cde2d20efe8493c32ae92b2433f.png

Efficiency w.r.t. Electron Eta (pt > 8 GeV)
Electron trigger efficiency as a function of the reconstructed electron pseudo rapidity (η) in the full 2016 dataset corresponding to 36.3 fb-1 collected at sqrt(s)=13 TeV. The efficiency is measured by a Z in ee tag-and-probe method with respect to cut-based tight electron identification. It is required that the reconstructed electron transverse momentum (pT) is at least 8 GeV higher than the trigger threshold to show the behavior with typical analysis cuts.  The plotted uncertainties are statistical only. HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight are the lowest transverse energy threshold unprescaled single electron triggers that require ET>27 GeV and 25 GeV respectively, the latter also being restricted to abs(&#951)<2.17.  HLT_Ele23_CaloIdL_TrackIdL_IsoVL and HLT_Ele12_CaloIdL_TrackIdL_IsoVL are the two legs of the lowest threshold unprescaled dielectron trigger HLT_Ele23_Ele12_CaloIdL_TrackIdL_IsoVL_DZ that requires ET>23 (12) GeV for the leading (subleading) electron. The “DZ” requirement on the distance of closest approach in Z direction between the two electron tracks is ~ 99.5% efficient. At the highest instantaneous luminosities, the level-1 ET threshold was higher than the HLT threshold contributing to the efficiency loss at lower pT. In particular for the single electron triggers shown here, the lowest unprescaled L1 seed required an isolation criteria to be passed and had a threshold of ET=26 GeV at L = 1.05∙1034 cm-2s-1 increasing to ET=34 GeV above L = 1.45∙1034 cm-2s-1. Several other sources contributed to inefficiencies for the single electron triggers HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight. The most important of these are the selection on H/E (the ratio of the energy measured in the hadron calorimeter and the electron energy), the electromagnetic and hadron calorimeter isolations, and the track fit 𝜒2 in the endcap region.
[Get pdf version]
Contact: Arun Kumar
imge476d01914cc23d6a25abb1ae3d420a6.png

Efficiency w.r.t. Number of Vertices (EB) pT > 50 GeV
Electron trigger efficiency as a function of the number of reconstructed vertices - that is used to estimate the amount of pile-up in the event - in the full 2016 dataset corresponding to 36.3 fb-1 collected at sqrt(s)=13 TeV in the barrel part of the detector with pseudorapidity abs(η) ≤ 1.479. The efficiency is measured by a Z in ee tag-and-probe method with respect to cut-based tight electron identification. It is required that the reconstructed electron transverse momentum (pT) is higher than 50 GeV to show the behaviour on the efficiency plateau in pT. The reconstructed electron pseudorapidity is restricted to the acceptance of the trigger path that is abs(η)<2.5 except where specified elsewhere.  The plotted uncertainties are statistical only.  HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight are the lowest transverse energy threshold unprescaled single electron triggers that require ET>27 GeV and 25 GeV respectively, the latter also being restricted to abs(η)<2.17.  HLT_Ele23_CaloIdL_TrackIdL_IsoVL and HLT_Ele12_CaloIdL_TrackIdL_IsoVL are the two legs of the lowest threshold unprescaled dielectron trigger  HLT_Ele23_Ele12_CaloIdL_TrackIdL_IsoVL_DZ that requires ET>23 (12) GeV for the leading (subleading) electron. The “DZ” requirement on the distance of closest approach in Z direction between the two electron tracks is ~ 99.5% efficient. At the highest instantaneous luminosities, the level-1 ET threshold was higher than the HLT threshold contributing to the efficiency loss at lower pT. In particular for the single electron triggers shown here, the lowest unprescaled L1 seed required an isolation criteria to be passed and had a threshold of ET=26 GeV at L = 1.05∙1034 cm-2s-1 increasing to ET=34 GeV above L = 1.45∙1034 cm-2s-1. Several other sources contributed to inefficiencies for the single electron triggers HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight. The most important of these are the selection on H/E (the ratio of the energy measured in the hadron calorimeter and the electron energy), the electromagnetic and hadron calorimeter isolations, and the track fit 𝜒2 in the endcap region.
[Get pdf version]
Contact: Arun Kumar
img7755f64d00ba1eb5e667de9dad7f7233.png

Efficiency w.r.t. Number of Vertices (EE) pT > 50 GeV
Electron trigger efficiency as a function of the number of reconstructed vertices - that is used to estimate the amount of pile-up in the event - in the full 2016 dataset corresponding to 36.3 fb-1 collected at sqrt(s)=13 TeV in the endcap part of the detector with pseudorapidity 1.479 < abs(η)≤ 2.5. The efficiency is measured by a Z in ee tag-and-probe method with respect to cut-based tight electron identification. It is required that the reconstructed electron transverse momentum (pT) is higher than 50 GeV to show the behaviour on the efficiency plateau in pT. The reconstructed electron pseudorapidity is restricted to the acceptance of the trigger path that is abs(η)<2.5 except where specified elsewhere.  The plotted uncertainties are statistical only.  HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight are the lowest transverse energy threshold unprescaled single electron triggers that require ET>27 GeV and 25 GeV respectively, the latter also being restricted to abs(η)<2.17.  HLT_Ele23_CaloIdL_TrackIdL_IsoVL and HLT_Ele12_CaloIdL_TrackIdL_IsoVL are the two legs of the lowest threshold unprescaled dielectron trigger  HLT_Ele23_Ele12_CaloIdL_TrackIdL_IsoVL_DZ that requires ET>23 (12) GeV for the leading (subleading) electron. The “DZ” requirement on the distance of closest approach in Z direction between the two electron tracks is ~ 99.5% efficient. At the highest instantaneous luminosities, the level-1 ET threshold was higher than the HLT threshold contributing to the efficiency loss at lower pT. In particular for the single electron triggers shown here, the lowest unprescaled L1 seed required an isolation criteria to be passed and had a threshold of ET=26 GeV at L = 1.05∙1034 cm-2s-1 increasing to ET=34 GeV above L = 1.45∙1034 cm-2s-1. Several other sources contributed to inefficiencies for the single electron triggers HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight. The most important of these are the selection on H/E (the ratio of the energy measured in the hadron calorimeter and the electron energy), the electromagnetic and hadron calorimeter isolations, and the track fit 𝜒2 in the endcap region.
[Get pdf version]
Contact: Arun Kumar
img87611d7d67ae82013a51810ed063af5f.png

Efficiency w.r.t. Number of Vertices (EB) pT > 8 GeV
Electron trigger efficiency as a function of the number of reconstructed vertices - that is used to estimate the amount of pile-up in the event - in the full 2016 dataset corresponding to 36.3 fb-1 collected at sqrt(s)=13 TeV in the barrel part of the detector with pseudorapidity abs(η)≤ 1.479. The efficiency is measured by a Z in ee tag-and-probe method with respect to cut-based tight electron identification. It is required that the reconstructed electron transverse momentum (pT) is at least 8 GeV higher than the trigger threshold to show the behaviour with typical analysis cuts. The reconstructed electron pseudorapidity is restricted to the acceptance of the trigger path that is abs(η)<2.5 except where specified elsewhere.  The plotted uncertainties are statistical only.  HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight are the lowest transverse energy threshold unprescaled single electron triggers that require ET>27 GeV and 25 GeV respectively, the latter also being restricted to abs(η)<2.17.  HLT_Ele23_CaloIdL_TrackIdL_IsoVL and HLT_Ele12_CaloIdL_TrackIdL_IsoVL are the two legs of the lowest threshold unprescaled dielectron trigger  HLT_Ele23_Ele12_CaloIdL_TrackIdL_IsoVL_DZ that requires ET>23 (12) GeV for the leading (subleading) electron. The “DZ” requirement on the distance of closest approach in Z direction between the two electron tracks is ~ 99.5% efficient. At the highest instantaneous luminosities, the level-1 ET threshold was higher than the HLT threshold contributing to the efficiency loss at lower pT. In particular for the single electron triggers shown here, the lowest unprescaled L1 seed required an isolation criteria to be passed and had a threshold of ET=26 GeV at L = 1.05∙1034 cm-2s-1 increasing to ET=34 GeV above L = 1.45∙1034 cm-2s-1. Several other sources contributed to inefficiencies for the single electron triggers HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight. The most important of these are the selection on H/E (the ratio of the energy measured in the hadron calorimeter and the electron energy), the electromagnetic and hadron calorimeter isolations, and the track fit 𝜒2 in the endcap region.
[Get pdf version]
Contact: Arun Kumar
img094da729586813bb0fcf2abc5a6fee56.png

Efficiency w.r.t. Number of Vertices (EE) pT > 8 GeV
Electron trigger efficiency as a function of the number of reconstructed vertices - that is used to estimate the amount of pile-up in the event - in the full 2016 dataset corresponding to 36.3 fb-1 collected at sqrt(s)=13 TeV in the endcap part of the detector with pseudorapidity 1.479 < abs(η)≤ 2.5. The efficiency is measured by a Z in ee tag-and-probe method with respect to cut-based tight electron identification. It is required that the reconstructed electron transverse momentum (pT) is at least 8 GeV higher than the trigger threshold to show the behaviour with typical analysis cuts. The reconstructed electron pseudorapidity is restricted to the acceptance of the trigger path that is abs(η)<2.5 except where specified elsewhere.  The plotted uncertainties are statistical only.  HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight are the lowest transverse energy threshold unprescaled single electron triggers that require ET>27 GeV and 25 GeV respectively, the latter also being restricted to abs(η)<2.17.  HLT_Ele23_CaloIdL_TrackIdL_IsoVL and HLT_Ele12_CaloIdL_TrackIdL_IsoVL are the two legs of the lowest threshold unprescaled dielectron trigger  HLT_Ele23_Ele12_CaloIdL_TrackIdL_IsoVL_DZ that requires ET>23 (12) GeV for the leading (subleading) electron. The “DZ” requirement on the distance of closest approach in Z direction between the two electron tracks is ~ 99.5% efficient. At the highest instantaneous luminosities, the level-1 ET threshold was higher than the HLT threshold contributing to the efficiency loss at lower pT. In particular for the single electron triggers shown here, the lowest unprescaled L1 seed required an isolation criteria to be passed and had a threshold of ET=26 GeV at L = 1.05∙1034 cm-2s-1 increasing to ET=34 GeV above L = 1.45∙1034 cm-2s-1. Several other sources contributed to inefficiencies for the single electron triggers HLT_Ele27_WPTight and HLT_Ele25_eta2p1_WPTight. The most important of these are the selection on H/E (the ratio of the energy measured in the hadron calorimeter and the electron energy), the electromagnetic and hadron calorimeter isolations, and the track fit 𝜒2 in the endcap region.
[Get pdf version]
Contact: Arun Kumar
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μτh High Level Trigger efficiency - single μ L1 seed
HLT_IsoMu21_eta2p1_LooseIsoPFTau20_SingleL1 seeded by L1_SingleMu20er
High Level Trigger efficiency of the τ leg of the μτh (loose isolation, pT > 20 GeV, seeded by single-μ Level-1) trigger for the H→ τμτh analysis, measured using 37.0 fb-1 of 13 TeV data collected by CMS in 2016.The efficiency is computed through the tag-and-probe method, as a function of the offline-reconstructed tau transverse momentum. Hadronically-decaying τ’s from the Z→τμτh process are selected in events that fired the single μ HLT and fulfil the baseline H→ττ requirements of well identified and isolated μτh pairs and m(ETmiss,μ) < 30 GeV. The purity of the selected data sample is larger than 95%. Passed probe τ’s are those that fired the μτh HLT and geometrically match to selected offline τ’s. Data are fitted using a convolution of a Crystal Ball function and a Heaviside step function. Data are compared to simulated DY→ ττ events selected using the same procedure.[Get pdf version]
Contact: Riccardo Manzoni
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μτh High Level Trigger efficiency - μτ L1 seed
HLT_IsoMu19_eta2p1_LooseIsoPFTau20 seeded by L1_Mu18er_Tau20er
Combined L1 and High Level trigger efficiency of the τ leg of the μτh (loose isolation, pT > 20 GeV, seeded by cross μ+τ Level-1) trigger for the H→ τμτh analysis, measured using 37.0 fb-1 of 13 TeV data collected by CMS in 2016. The efficiency is computed through the tag-and-probe method, as a function of the offline-reconstructed tau transverse momentum. Hadronically-decaying τ’s from the DY→τμτh process are selected in events that fired the single μ HLT and fulfil the baseline H→ττ requirements of well identified and isolated μτh pairs and m(ETmiss,μ) < 30 GeV. The purity of the selected data sample is larger than 95%. Passed probe τ’s are those that fired the μτh HLT and geometrically match to selected offline τ’s. Data are fitted using a convolution of a Crystal Ball function and a Heaviside step function. Data are compared to simulated DY→ ττ events selected using the same procedure. [Get pdf version]
Contact: Riccardo Manzoni
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Di-τh High Level Trigger efficiency HLT_DoubleMediumIsoPFTau35_Trk1_eta2p1_Reg seeded by L1_DoubleIsoTau28er
Per-leg combined L1 and High Level trigger efficiency of the di-τh (medium isolation, pT > 35 GeV, seeded by di-τ Level-1) trigger for the H→ τhτh analysis, measured using 27.8 fb-1 of 13 TeV data collected by CMS in 2016. The efficiency is computed per single τ-leg through the tag-andprobe method, as a function of the offline-reconstructed tau transverse momentum. An utility μ+τ trigger, with selection on the τ-leg equal to those of the di-τ trigger is used. Hadronically decaying τ’s from the DY→τμτh process are selected in events that fired the single μ HLT and fulfill the baseline H→ττ requirements of well identified and isolated μτh pairs and m(ETmiss, μ) < 30 GeV. The purity of the selected data sample is larger than 95%. Passed probe τ’s are those that fired one leg of the di-τh HLT and geometrically match to selected offline τ’s. Data are fitted using a convolution of a Crystal Ball function and a Heaviside step function. Data are compared to simulated DY→ ττ events selected using the same procedure. Since the simulation contains only one version of the trigger, only the part of the 2016 dataset collected with the same version of the trigger is considered in the comparison.
[Get pdf version]
Contact: Riccardo Manzoni
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τh + ETmiss High Level Trigger efficiency - τh leg
HLT_LooseIsoPFTau50_Trk30_eta2p1_MET90 seeded by L1_ETM80
High Level Trigger efficiency of the τh leg of the τh + ETmiss (medium isolation, pT > 50 GeV, seeded by ETmiss Level-1) trigger for the H±→ τhντ analysis, measured using 15.4 fb-1 of 13 TeV datacollected by CMS in 2016. The efficiency is computed through the tag-and-probe method, as a function of the offline-reconstructed tau transverse momentum. An utility τ trigger, with selection on the τ-leg equal to those of the τ+MET trigger is used. Hadronically-decaying τ’s from the DY→τμτh process are selected in events that fired the μ + ETmiss monitor HLT and for which the τh fulfils identification and isolation requirements equivalent to those used in the H±→ τhντ analysis. Passed probe τ’s are those that fired the μ + τh + ETmiss monitor HLT and geometrically match to selected offline τ’s. Data are fitted using an Error function. Data are compared to simulated DY→ ττ events selected using the same procedure. Since the simulation contains only one version of the trigger, only the part of the 2016 dataset collected with the same version of the trigger is considered in the comparison. [Get pdf version]
Contact: Riccardo Manzoni
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