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Welcome to the E/g HLT 2E32 working page

Currently we have basic rough rates for 2E32 for Electron and Photon datasets. Nothing has been decided right now, these rates are just to aid discussion.

Outstanding issues

  • Photon/Electron overlap is ever increasing with energy.
    • Some re-optimisation on the PM windows may allow us to reduce the overlap and also reduce the electron dataset size.
    • Sadly we dont have the manpower to do this.
  • the Isolation variable itself is currently intentionally loose, this could be tuned tigher for extra rejection

Primary Datasets

Electron PD

Electron Path Name Purpose
HLT_Ele22_SW_WP80ID_L1R W+jets, ttbar...
HLT_Ele22_SW_RelIso0.7_L1R W+jets, ttbar...
HLT_Ele17_SW_TighterEleIdIsol_L1R W VBTF
HLT_Ele17_SW_TightCaloEleId_Ele8HE_L1R dileptons, 20/10 for WW, ttbar, H, SUSY,...
HLT_TightEle17_SW_SC15HE_L1R Z tag & probe for e/g
HLT_DoubleEle17_SW_L1R dileptons ttbar 20/20 continuity for this year. no ID/ISO
HLT_Ele32_SW_TighterEleId_L1R exotica, LQ1, W',...
HLT_Ele13_Mu5 dileptons ttbar 20/10 WW, ttbar, H, SUSY,... (in MU Mu7_Ele9)
HLT_TightEle8_Mu8 H-->WW
HLT_Ele13_HT70 L1 EG8 SUSY
HLT_Ele8_HT100 L1 HTxx SUSY

Terminology

Name H/E dEtaIn dPhiIn sigmaIEtaIEta Isolation Notes
CaloEleId 0.15 X X 0.014 (0.035) X X
EleId 0.15 0.01 0.08 0.014 (0.035) X Requires online track
TightCaloEleId 0.10 X X 0.012 (0.032) X X
TightEleId 0.15 0.01 0.08 0.012 (0.032) X Requires online track
TightEleIdIsol 0.15 0.01 0.08 0.012 (0.032) isolEm/et < 0.125 (0.075) isolHad/et < 0.05 isolPtTrksEle/et < 0.15 (0.1) Requires online track
TighterEleIdIsol 0.05 0.01 0.08 0.011 (0.031) isolEm/et < 0.125 (0.075) isolHad/et < 0.05 isolPtTrksEle/et < 0.15 (0.1) Requires online track
TighterEleId 0.05 0.01 0.08 0.011 (0.031) X Requires online track
Isol (photon) ??? ??? ??? ??? isolEm/et < 0.2 (0.1) isolHad/et < 0.2 (0.1) isolPtTrksEle/et < 0.2 (0.1) ???

Rates

trigPlot.png

show EGEle  hide
Path Name L1 condition L1 Prescale HLT Prescale HLT Rate [Hz] Total Rate [Hz] Unique Rate [Hz] comments
HLT_Ele17_SW_EvenTighterEleId_L1R L1_SingleEG8 1 1 ~22 X X it has WP80 onI was seriously calling it this.
HLT_Ele17_SW_TighterEleIdIsol_L1R L1_SingleEG8 1 1 ~23 X X general purpose 17 GeV trigger
HLT_Ele17_SW_TightCaloEleId_Ele8HE_L1R L1_SingleEG8 1 1 ~20 X X main di-lepton trigger
HLT_DoubleEle17_SW_L1R L1_DoubleEG5 1 1 ~X X X will probably make this single seeded
HLT_Ele22_SW_TighterEleId_L1R L1_SingleEG8 1 1 ~24 X X general purpose 22 GeV trigger

The efficiency of EvenTightEleId is here

Photon PD

Photon Path Name Purpose
HLT_Photon20_Cleaned_L1R QCD photon, background studies
HLT_Photon20_Cleaned_Iso_ID_L1R SUSY, Met templates etc.
HLT_Photon30_Cleaned_L1R QCD photon, background studies
HLT_Photon40_Isol_Cleaned_L1R QCD photon, searches
HLT_Photon40_CaloId_Cleaned_L1R QCD photon, searches
HLT_Photon70_Cleaned_L1R Open QCD HLT trigger
HLT_Photon100_NoHE_Cleaned_L1R safety trigger incase H/E is a problem at high E, may be raised to 120 GeV if needed
HLT_Photon17Isol_SC17HE_L1R Zee, Higgs->gammagamma
HLT_Photon22_SC22HE_L1R exotica wishes this for their searches
HLT_DoublePhoton5_CEP_L1R diffractive physics and I have no idea of the rate for this one

Terminology

Name H/E dEtaIn dPhiIn sigmaIEtaIEta Isolation Notes
Isol (photon) ??? ??? ??? ??? isolEm/et < 0.2 (0.1) isolHad/et < 0.2 (0.1) isolPtTrksEle/et < 0.2 (0.1) ???

The idea is for to have Photon40_Isol, Photon40_CaloId instead of Photon50

Rates

These are some example rates for photon triggers

trigPlotGamma.png

show EGPho  hide
EGPho DS
Path Name L1 condition L1 Prescale HLT Prescale HLT Rate [Hz] Total Rate [Hz] Unique Rate [Hz] Use Case
HLT_Photon20_Cleaned_L1R L1_SingleEG8 1 X 3 X X QCD photon
HLT_Photon30_Cleaned_L1R L1_SingleEG8 1 X 4 X X QCD photon
HLT_Photon50_Cleaned_L1R L1_SingleEG8 1 1 24 X X generic photon trigger
HLT_Photon100_NoHE_Cleaned_L1R L1_SingleEG8 1 1 3 X X safety trigger
HLT_Photon17_SC17HE_L1R L1_SingleEG8 1 1 42 X X rate is very high
HLT_Photon22_SC22HE_L1R L1_SingleEG8 1 1 X X X exotica wishes this for their searches
HLT_DoublePhoton5_CEP_L1R L1_DoubleEG5 1 1 3 X X diffractive physics and I have no idea of the rate for this one

EGMonitor PD

Terminology

Rates

show EGMonitor use cases   hide
EGMonitor Use cases

Path Name Use Case owners
HLT_Photon10_Cleaned_L1R
HLT_Photon15_Cleaned_L1R 		requested I believe by QCD Photon, also useful for monitoring PM eff for low Et electrons. QCD Pho + EG HLT Mon
HLT_SingleEG2 HLT_SingleEG8 these triggers are useful for L1 turn on and HLT efficiencies, however in theory Z T&P makes them redundant EG HLT Mon
HLT_Photon20NoHE_L1R, HLT_Photon50NoHE_L1R useful for ECAL spike studies ECAL DPG
HLT_DoubleEle4_SW_eeRes_L1R ECAL energy calibration for low Et electrons using Jpsi. Jeremy Werner
HLT_Ele10_SW_L1R request by SUSY group to collect a background sample. Also useful for Ele12_EleId performance monitoring SUSY
HLT_Ele12_TightEleId_L1R request by Z->tautau -> ele +X to estimate their backgrounds, 4Hz, this will have the same cuts as TightIsol Z->tautau ->ele +X
HLT_Ele17_SW_L1R request to monitor trigger performance + backgrounds for Top, EWK Top, EWK, EG HLT Monitor
HLT_Activity_Ecal_SC7 monitors Et turn on of L1 for EG8, 2Hz EG HLT Monitor
HLT_Activity_Ecal_SC17 monitors Et turn on of L1 for high pt em objects, 2Hz EG HLT Monitor

show EGMonitor Rates  hide
EGMonitor Rates

Path Name HLT Prescale rate
HLT_Photon10_Cleaned_L1R X 0.5 Hz
HLT_Photon15_Cleaned_L1R X 0.5 Hz
HLT_SingleEG2 X 0.5 Hz
HLT_SingleEG8 X 0.5 Hz
HLT_Photon20_NoHE_L1R X 2 Hz
HLT_Photon50_NoHE_L1R X 2 Hz
HLT_DoubleEle4_SW_eeRes_L1R X 6 Hz
HLT_Ele10_SW_L1R X 1 Hz
HLT_Ele12_TighterEleId_L1R X 4 Hz
HLT_Ele17_SW_L1R X 4 Hz
HLT_Activity_Ecal_SC7 X 2 Hz
HLT_Activity_Ecal_SC17 X 2 Hz

Variable Definitions:

Note for tracker isolation, electron and photon tracker isolation differs. Electron tracker isolation cone is based of electron's track and has a dZ cut. Photon tracker isolation uses the photon position using the current track's vertex for the photon eta and there is no dZ cut.

show Definations  hide
H for H/E
Variable RECO HLT
E threshold 0.7, 0.8 0.7, 0.8
cone size 0.15 0.14

Hcal Isolation

Variable RECO HLT
E threshold 0.7, 0.8 0.7, 0.8
cone size 0.15-0.30 0.16-0.29

Tracker Isolation (ele)

Variable RECO HLT
min trk pt 0.7 GeV/c 1.0 GeV/c
inner cone 0.03 0.03
inner strip 0.015 0.03
dZ 0.2 0.15
cone size 0.3 0.3

Tracker Isolation (pho)

Variable RECO HLT
min trk pt 0 GeV/c 1.0 GeV/c
inner cone 0.06 0.06
inner strip 0.015 0.03
dZ 0.2 -
dxy 0.1 -
cone size 0.3 0.3

Ecal Isolation

Variable RECO HLT
min E 0.08, -9999 0.08, -9999
min Et -9999, 0.1 -9999, 0.1
inner cone 3 crystals 3 crystals
inner strip 1.5 crystals 3 crystals
cone size 0.3 0.3

Code to make plots

Download the files 

root -l
[0] .L hltSummary.C++
[1] hltSummary()

-- DaveEvans - 05-Oct-2010

Attachments Attachments
Topic attachments
I Attachment History Action Size Date Who Comment
C source code filec hltSummary.C r1 manage 2.8 K 2010-10-05 - 13:12 UnknownUser  
Header fileh hltSummary.h r1 manage 0.4 K 2010-10-05 - 13:12 UnknownUser  
PNGpng trigPlot.png r1 manage 19.8 K 2010-10-05 - 11:56 UnknownUser  
PNGpng trigPlotGamma.png r1 manage 18.3 K 2010-10-05 - 12:07 UnknownUser  
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