HLT paths for the 1E31 "core" menu (v0.5, last updated on 2009.04.29)

This version of the High Level Trigger tables is a work in progress, tracking the latest development.
For a stable reference, please use an older, frozen version of this table:

  • v0.3, frozen on 2009.04.28.
  • v0.4, frozen on 2009.04.29.

Jets triggers Sort HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_L1Jet15 L1_SingleJet15 1000 10   2.26 ± 0.58 Hz Monitoring 3.1.x, 2.2.6-HLT
  HLT_Jet30 L1_SingleJet15 1000 5   0.30 ± 0.21 Hz Monitoring 3.1.x, 2.2.6-HLT
  HLT_Jet50 L1_SingleJet30 100 2   1.51 ± 0.48 Hz Monitoring 3.1.x, 2.2.6-HLT
  HLT_Jet80 L1_SingleJet50 10 2   1.05 ± 0.40 Hz Monitoring 3.1.x, 2.2.6-HLT
  HLT_Jet110 L1_SingleJet70 1 1   8.13 ± 1.11 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_Jet180 L1_SingleJet70 1 1   1.36 ± 0.45 Hz ES bit 3.1.x, 2.2.6-HLT
  HLT_DiJetAve15U L1_SingleJet15 1000 1   1.51 ± 0.48 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_DiJetAve30U L1_SingleJet30 100 1   1.05 ± 0.40 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_DiJetAve50U L1_SingleJet50 10 1   0.90 ± 0.37 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_DiJetAve70U L1_SingleJet70 1 1   5.87 ± 0.94 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_DiJetAve130U L1_SingleJet70 1 1   0.90 ± 0.37 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_FwdJet40 L1_IsoEG10_Jet15_ForJet10 1 1   0.00 ± 0.00 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_QuadJet30 L1_QuadJet15 5 1   3.31 ± 0.71 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_SumET120 L1_ETT60 500 1   0.30 ± 0.21 Hz Monitoring 3.1.x, 2.2.6-HLT
MET triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_L1MET20 L1_ETM20 500 5   0.15 ± 0.15 Hz Monitoring 3.1.x, 2.2.6-HLT
  HLT_MET25 L1_ETM20 500 1   0.00 ± 0.00 Hz Monitoring 3.1.x, 2.2.6-HLT
  HLT_MET50 L1_ETM40 1 1   0.30 ± 0.21 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_MET100 L1_ETM80 1 1   0.00 ± 0.00 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_HT300_MHT100 L1_HTT200 1 1   0.00 ± 0.00 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_HT250 L1_HTT200 1 50   0.15 ± 0.15 Hz Monitoring 3.1.x, 2.2.6-HLT
Muons triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_L1MuOpen L1_SingleMuOpen OR L1_SingleMu0 1, 1 400   3.61 ± 0.74 Hz Monitoring 3.1.x, 2.2.6-HLT
  HLT_L1Mu L1_SingleMu7 OR L1_DoubleMu3 1, 1 100   1.81 ± 0.52 Hz Monitoring 3.1.x, 2.2.6-HLT
  HLT_L1Mu20 L1_SingleMu20 1 1   15.36 ± 1.52 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_L2Mu11 L1_SingleMu7 1 1   11.75 ± 1.33 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_Mu5 L1_SingleMu3 20 1   4.52 ± 0.82 Hz Monitoring 3.1.x, 2.2.6-HLT
  HLT_Mu9 L1_SingleMu7 1 1   13.86 ± 1.44 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_Mu11 L1_SingleMu7 1 1   6.93 ± 1.02 Hz Backup 3.1.x, 2.2.6-HLT
  HLT_Mu15 L1_SingleMu10 1 1   1.96 ± 0.54 Hz Backup 3.1.x, 2.2.6-HLT
  HLT_DoubleMu0 L1_DoubleMuOpen 1 1   6.93 ± 1.02 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_DoubleMu3 L1_DoubleMu3 1 1   2.71 ± 0.64 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_L1DoubleMuOpen L1_DoubleMuOpen 1 20   2.11 ± 0.56 Hz Monitoring 3.1.x, 2.2.6-HLT
  HLT_IsoMu9 L1_SingleMu7 1 1   7.98 ± 1.10 Hz Physics 3.1.x, 2.2.6-HLT
Electrons triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_L1SingleEG5 L1_SingleEG5 1 2500   1.66 ± 0.50 Hz Monitoring 3.1.x
  HLT_Ele10_SW_L1R L1_SingleEG5 1 50   1.81 ± 0.52 Hz Physics 3.1.x
  HLT_Ele15_SW_L1R L1_SingleEG8 1 10   4.07 ± 0.78 Hz Physics 3.1.x
  HLT_Ele15_SiStrip_L1R L1_SingleEG8 1 10   TBD Monitoring  
  HLT_Ele15_SW_LooseTrackIso_L1R L1_SingleEG8 1 1   8.73 ± 1.15 Hz Backup 3.1.x
  HLT_Ele20_SW_L1R L1_SingleEG8 1 1   13.70 ± 1.44 Hz Backup 3.1.x
  HLT_Ele20_SiStrip_L1R L1_SingleEG8 1 1   TBD Monitoring  
  HLT_DoubleEle5_SW_Jpsi_L1R L1_SingleEG8 OR L1_DoubleEG5 1, 1 1   0.15 ± 0.15 Hz Backup 3.1.x
  HLT_DoubleEle5_SW_Upsilon_L1R L1_SingleEG8 OR L1_DoubleEG5 1, 1 1   0.00 ± 0.00 Hz Backup 3.1.x
  HLT_DoubleEle10_SW_L1R L1_DoubleEG5 1 1   2.11 ± 0.56 Hz Physics 3.1.x
  HLT_Ele15_SC15_SW_LooseTrackIso_L1R L1_SingleEG8 1 1   2.26 ± 0.58 Hz ES bit 3.1.x
  HLT_Ele20_SC15_SW_L1R L1_SingleEG8 1 1   5.27 ± 0.89 Hz ES bit 3.1.x
  HLT_Ele25_SW_L1R L1_SingleEG8 1 1   8.28 ± 1.12 Hz ES bit 3.1.x
Photons triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_Photon10_L1R L1_SingleEG5 1 500   0.90 ± 0.37 Hz Monitoring 3.1.x
  HLT_Photon10_LooseEcalIso_TrackIso_L1R L1_SingleEG5 1 100   0.90 ± 0.37 Hz Monitoring 3.1.x
  HLT_Photon15_L1R L1_SingleEG8 1 20   2.71 ± 0.64 Hz Physics 3.1.x
  HLT_Photon20_LooseEcalIso_TrackIso_L1R L1_SingleEG8 1 10   5.27 ± 0.89 Hz Physics 3.1.x
  HLT_Photon25_L1R L1_SingleEG8 1 1   21.08 ± 1.78 Hz Physics 3.1.x
  HLT_Photon25_LooseEcalIso_TrackIso_L1R L1_SingleEG8 1 1   4.22 ± 0.80 Hz Backup 3.1.x
  HLT_Photon30_L1R L1_SingleEG8 1 1   9.79 ± 1.21 Hz Backup 3.1.x
  HLT_DoublePhoton10_L1R L1_DoubleEG5 1 20   1.81 ± 0.52 Hz Monitoring 3.1.x
  HLT_DoublePhoton15_L1R L1_DoubleEG5 1 1   5.72 ± 0.93 Hz Physics 3.1.x
  HLT_DoublePhoton15_VeryLooseEcalIso_L1R L1_DoubleEG5 1 1   0.00 ± 0.00 Hz Physics 3.1.x
  HLT_Photon70_L1R L1_SingleEG8 1 1   0.00 ± 0.00 Hz ES bit 3.1.x
Tau triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_SingleIsoTau30_Trk5 L1_SingleTauJet40 OR L1_SingleJet100 1, 1 1   11.45 ± 1.31 Hz Physics 3.1.x
  HLT_DoubleLooseIsoTau15_Trk5 L1_DoubleTauJet30 OR L1_DoubleJet70 1, 1 1   10.24 ± 1.24 Hz Physics 3.1.x, 2.2.6-HLT
b-jets triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_BTagIP_Jet80 L1_SingleJet70 1 1   0.00 ± 0.00 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_BTagIP_Jet120 L1_SingleJet70 1 1   0.00 ± 0.00 Hz ES bit 3.1.x, 2.2.6-HLT
  HLT_BTagMu_Jet20 L1_Mu3_Jet15 1 1   0.00 ± 0.00 Hz Physics 3.1.x, 2.2.6-HLT
Abort Gap triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_StoppedHSCP L1_SingleJet10 1 1   TBD Physics 3.1.x, 2.2.6-HLT
Cross-channel triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_Ele10_SW_L1R_TripleJet30 L1_EG5_TripleJet15 1 1   13.25 ± 1.41 Hz Physics  
  HLT_L2Mu9_DiJet30 L1_Mu5_SingleJet15 1 1   2.41 ± 0.60 Hz Physics 3.1.x
  HLT_L2Mu5_Photon9_L1R L1_Mu3_EG5 1 1   5.87 ± 0.94 Hz Physics  
  HLT_L1Mu14_L1SingleEG10 L1_SingleMu14 AND L1_SingleEG10 1, 1 1   0.75 ± 0.34 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_L1Mu14_L1SingleJet15 L1_SingleMu14 AND L1_SingleJet15 1, 1000 1   0.00 ± 0.00 Hz Physics 3.1.x, 2.2.6-HLT
  HLT_L1Mu14_L1ETM40 L1_SingleMu14 AND L1_ETM40 1, 1 1   0.15 ± 0.15 Hz Physics 3.1.x, 2.2.6-HLT
MinBias triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_ZeroBias L1_ZeroBias 100000 5   1.36 ± 0.45 Hz MinBias 3.1.x
  HLT_MinBiasHcal L1_SingleHfBitCountsRing1_1 OR L1_DoubleHfBitCountsRing1_P1N1 OR L1_SingleHfRingEtSumsRing1_4 OR L1_DoubleHfRingEtSumsRing1_P4N4 OR L1_SingleHfRingEtSumsRing2_4 OR L1_DoubleHfRingEtSumsRing2_P4N4 20000, 1000, 10000, 100, 10000, 100 50   2.56 ± 0.62 Hz MinBias 3.1.x, 2.2.6-HLT
  HLT_MinBiasEcal L1_SingleEG1 OR L1_SingleEG2 OR L1_DoubleEG1 1000, 500, 500 500   0.90 ± 0.37 Hz MinBias 3.1.x, 2.2.6-HLT
  HLT_MinBiasPixel L1_ZeroBias 100000 1   4.37 ± 0.81 Hz MinBias 3.1.x, 2.2.6-HLT
  HLT_MinBiasPixel_Trk5 L1_ZeroBias 100000 1   0.30 ± 0.21 Hz MinBias 3.1.x, 2.2.6-HLT
Commissioning triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_CSCBeamHalo L1_SingleMuBeamHalo 100 1   1.20 ± 0.43 Hz Commissioning 3.1.x, 2.2.6-HLT
  HLT_CSCBeamHaloOverlapRing1 L1_SingleMuBeamHalo 100 1   0.00 ± 0.00 Hz Commissioning 3.1.x, 2.2.6-HLT
  HLT_CSCBeamHaloOverlapRing2 L1_SingleMuBeamHalo 100 1   0.00 ± 0.00 Hz Commissioning 3.1.x, 2.2.6-HLT
  HLT_CSCBeamHaloRing2or3 L1_SingleMuBeamHalo 100 1   0.15 ± 0.15 Hz Commissioning 3.1.x, 2.2.6-HLT
  HLT_BackwardBSC L1 Technical bits: 38 OR 39 TBD TBD   TBD Commissioning 3.1.x, 2.2.6-HLT
  HLT_ForwardBSC L1 Technical bits: 36 OR 37 TBD TBD   TBD Commissioning 3.1.x, 2.2.6-HLT
  HLT_TrackerCosmics L1 Technical bits: 24 OR 25 OR 26 OR 27 OR 28 TBD TBD   TBD Commissioning 3.1.x, 2.2.6-HLT
AlCaRAW triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  HLT_IsoTrack L1_SingleJet30 OR L1_SingleJet50 OR L1_SingleJet70 OR L1_SingleJet100 OR L1_SingleTauJet30 OR L1_SingleTauJet40 OR L1_SingleTauJet60 OR L1_SingleTauJet80 100, 10, 1, 1, 1, 1, 1, 1 1   9 Hz AlCa 3.1.x, 2.2.6-HLT
  AlCa_HcalPhiSym L1_SingleEG1 OR L1_SingleEG2 OR L1_DoubleEG1 1000, 500, 500 TBD   TBD AlCa 3.1.x, 2.2.6-HLT
  AlCa_EcalPhiSym L1_ZeroBias OR L1_SingleEG1 OR L1_SingleEG2 OR L1_DoubleEG1 OR L1_SingleHfBitCountsRing1_1 OR L1_DoubleHfBitCountsRing1_P1N1 OR L1_SingleHfRingEtSumsRing1_4 OR L1_DoubleHfRingEtSumsRing1_P4N4 OR L1_SingleHfRingEtSumsRing2_4 OR L1_DoubleHfRingEtSumsRing2_P4N4 100000, 1000, 500, 500, 20000, 1000, 10000, 100, 10000, 100 1   798.54 ± 10.98 Hz AlCa 3.1.x, 2.2.6-HLT
  AlCa_EcalPi0 L1_SingleEG1 OR L1_SingleEG2 OR L1_SingleEG5 OR L1_SingleEG8 OR L1_SingleEG10 OR L1_SingleEG12 OR L1_SingleEG15 OR L1_SingleEG20 OR L1_SingleIsoEG5 OR L1_SingleIsoEG8 OR L1_SingleIsoEG10 OR L1_SingleIsoEG12 OR L1_SingleIsoEG15 OR L1_DoubleEG5 OR L1_SingleJet15 OR L1_SingleJet30 OR L1_SingleJet50 OR L1_SingleJet70 OR L1_SingleJet100 OR L1_DoubleJet70 1000, 500, 5, 1, 1, 1, 1, 1, 10, 5, 1, 1, 1, 1, 1000, 100, 10, 1, 1, 1 1   874.63 ± 11.49 Hz AlCa 3.1.x, 2.2.6-HLT
  AlCa_EcalEta L1_SingleEG1 OR L1_SingleEG2 OR L1_SingleEG5 OR L1_SingleEG8 OR L1_SingleEG10 OR L1_SingleEG12 OR L1_SingleEG15 OR L1_SingleEG20 OR L1_SingleIsoEG5 OR L1_SingleIsoEG8 OR L1_SingleIsoEG10 OR L1_SingleIsoEG12 OR L1_SingleIsoEG15 OR L1_DoubleEG5 OR L1_SingleJet15 OR L1_SingleJet30 OR L1_SingleJet50 OR L1_SingleJet70 OR L1_SingleJet100 OR L1_DoubleJet70 1000, 500, 5, 1, 1, 1, 1, 1, 10, 5, 1, 1, 1, 1, 1000, 100, 10, 1, 1, 1 1   333.18 ± 7.09 Hz AlCa 3.1.x, 2.2.6-HLT
Monitoring triggers HLT path L1 seeds L1 prescale HLT prescale L1 rate HLT rate Trigger Type Availability
  AlCa_RPCMuonNormalisation L1_SingleMuOpen OR L1_SingleMu0 1, 1 1   384.20 ± 7.61 Hz Monitoring 3.1.x, 2.2.6-HLT
  AlCa_RPCMuonNoHits L1_SingleMuOpen OR L1_SingleMu0 1, 1 1   105.86 ± 3.99 Hz Monitoring 3.1.x, 2.2.6-HLT

Links to the Trigger Reviews describing the algorithms and the POG/PAG triggers requests

L1 and HLT tables references

The following L1 menus contain the L1 seeds and are compatible with this HLT menu:

The following HLT tables are available in ConfDB:

Description of HLT paths for the 1E31 "core" menu

Jets trigger paths

HLT_L1Jet15

HLT_Jet30

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • A single jet trigger, requiring >= 1 jet at HLT with pT > 30 GeV.
    • The jet energy threshold is chosen based on corrected jets.
  • Contact person(s) for Jet HLT code integration:

HLT_Jet50

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • A single jet trigger, requiring >= 1 jet at HLT with pT > 50 GeV.
    • The jet energy threshold is chosen based on corrected jets.
  • Contact person(s) for Jet HLT code integration:

HLT_Jet80

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • A single jet trigger, requiring >= 1 jet at HLT with pT > 80 GeV.
    • The jet energy threshold is chosen based on corrected jets.
  • Contact person(s) for Jet HLT code integration:

HLT_Jet110

  • The L1 seed is the L1 bit:
  • Description:
    • A single jet trigger, requiring >= 1 jet at HLT with pT > 110 GeV.
    • The jet energy threshold is chosen based on corrected jets.
  • Contact person(s) for Jet HLT code integration:

HLT_Jet180

  • The L1 seed is the L1 bit:
  • Description:
    • A single jet trigger, requiring >= 1 jet at HLT with pT > 180 GeV.
    • The jet energy threshold is chosen based on corrected jets.
  • Notes:
    • This trigger specifies an express stream (ES) bit.
  • Contact person(s) for Jet HLT code integration:

HLT_DiJetAve15U

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • A dijet trigger, requiring at least one pair of jets at HLT in which the average scalar pT is > 15 GeV.
    • The jet energy threshold is chosen based on uncorrected jets.
  • Notes:
    • This trigger is available as HLT_DiJetAve15U_1E31 in the 3.1.x, 2.2.6-HLT table(s).
  • Contact person(s) for Jet HLT code integration:

HLT_DiJetAve30U

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • A dijet trigger, requiring at least one pair of jets at HLT in which the average scalar pT is > 30 GeV.
    • The jet energy threshold is chosen based on uncorrected jets.
  • Notes:
    • This trigger is available as HLT_DiJetAve30U_1E31 in the 3.1.x, 2.2.6-HLT table(s).
  • Contact person(s) for Jet HLT code integration:

HLT_DiJetAve50U

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • A dijet trigger, requiring at least one pair of jets at HLT in which the average scalar pT is > 50 GeV.
    • The jet energy threshold is chosen based on uncorrected jets.
  • Contact person(s) for Jet HLT code integration:

HLT_DiJetAve70U

  • The L1 seed is the L1 bit:
  • Description:
    • A dijet trigger, requiring at least one pair of jets at HLT in which the average scalar pT is > 70 GeV.
    • The jet energy threshold is chosen based on uncorrected jets.
  • Contact person(s) for Jet HLT code integration:

HLT_DiJetAve130U

  • The L1 seed is the L1 bit:
  • Description:
    • A dijet trigger, requiring at least one pair of jets at HLT in which the average scalar pT is > 130 GeV.
    • The jet energy threshold is chosen based on uncorrected jets.
  • Contact person(s) for Jet HLT code integration:

HLT_FwdJet40

  • The L1 seed is the L1 bit:
  • Description:
    • A rapidity gap trigger, requiring at least 2 jets in the event and the sum of jet energies within the HF (3 < |eta| < 5) be less than 20 GeV.
    • The jet energy threshold is chosen based on uncorrected jets.
  • Contact person(s) for Jet HLT code integration:

HLT_QuadJet30

HLT_SumET120

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • A scalar sum ET trigger, requiring the sum of caloTower ET over the entire calorimeter to be greater than 120 GeV.
  • Contact person(s) for Jet HLT code integration:

MET trigger paths

HLT_L1MET20

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • A MET pass-through trigger.
    • No selections beyond L1 are required in the HLT.
  • Contact person(s) for MET HLT code integration:

HLT_MET25

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • A MET trigger, requiring the MET calculated at HLT be > 25 GeV.
  • Notes:
    • To be checked that the L1 threshold is not too high for the HLT threshold.
  • Contact person(s) for MET HLT code integration:

HLT_MET50

  • The L1 seed is the L1 bit:
  • Description:
    • A MET trigger, requiring the MET calculated at HLT be > 50 GeV.
  • Notes:
    • To be checked that the L1 threshold is not too high for the HLT threshold.
  • Contact person(s) for MET HLT code integration:

HLT_MET100

HLT_HT300_MHT100

  • The L1 seed is the L1 bit:
  • Description:
    • An HT and MHT trigger, requiring the HT calculated at HLT be > 300 GeV and the MHT to be above 100 GeV.
    • HT and MHT are computed at HLT using all jets with pT > 20 GeV.
  • Contact person(s) for MET HLT code integration:

HLT_HT250

  • The L1 seed is the L1 bit:
  • Description:
    • An HT trigger, requiring the HT calculated at HLT be > 250 GeV and no MHT cuts, to be used as monitoring for HLT_HT300_MHT100.
    • HT and MHT are computed at HLT using all jets with pT > 20 GeV.
  • Contact person(s) for MET HLT code integration:

Muons trigger paths

HLT_L1MuOpen

  • The L1 seed is a logical OR of the following L1 bits:
  • Description:
    • A single muon pass-through trigger.
    • No selections beyond L1 are required in the HLT.
  • Contact person(s) for Muon HLT code integration:

HLT_L1Mu

  • The L1 seed is a logical OR of the following L1 bits:
  • Description:
    • A single muon pass-through trigger.
    • No selections beyond L1 are required in the HLT.
  • Contact person(s) for Muon HLT code integration:

HLT_L1Mu20

  • The L1 seed is the L1 bit:
  • Description:
    • A single muon pass-through trigger.
    • No selections beyond L1 are required in the HLT.
  • Contact person(s) for Muon HLT code integration:

HLT_L2Mu11

  • The L1 seed is the L1 bit:
  • Description:
    • A single muon trigger, based on the Level 2 (muon system only, no tracker) HLT muon reconstruction.
    • At least one Level 2 muon with pT > 11 GeV is required.
  • Contact person(s) for Muon HLT code integration:

HLT_Mu5

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • A single muon trigger, based on the Level 3 (combined muon system and tracker) HLT muon reconstruction.
    • At least one Level 3 muon with pT > 5 GeV is required.
    • The Level 3 muon is seeded by a Level 2 muon with pT > 4 GeV.
    • The two-dimensional Delta-XY between the Level 3 muon and the beam spot must be < 2 cm.
  • Contact person(s) for Muon HLT code integration:

HLT_Mu9

  • The L1 seed is the L1 bit:
  • Description:
    • A single muon trigger, based on the Level 3 (combined muon system and tracker) HLT muon reconstruction.
    • At least one Level 3 muon with pT > 9 GeV is required.
    • The Level 3 muon is seeded by a Level 2 muon with pT > 7 GeV.
    • The two-dimensional Delta-XY between the Level 3 muon and the beam spot must be < 2 cm.
  • Contact person(s) for Muon HLT code integration:

HLT_Mu11

  • The L1 seed is the L1 bit:
  • Description:
    • A single muon trigger, based on the Level 3 (combined muon system and tracker) HLT muon reconstruction.
    • At least one Level 3 muon with pT >11 GeV is required.
    • The Level 3 muon is seeded by a Level 2 muon with pT > 9 GeV.
    • The two-dimensional Delta-XY between the Level 3 muon and the beam spot must be < 2 cm.
  • Notes:
    • This is a backup trigger in case the one proposed for physics needs to be prescaled.
  • Contact person(s) for Muon HLT code integration:

HLT_Mu15

  • The L1 seed is the L1 bit:
  • Description:
    • A single muon trigger, based on the Level 3 (combined muon system and tracker) HLT muon reconstruction.
    • At least one Level 3 muon with pT > 15 GeV is required.
    • The Level 3 muon is seeded by a Level 2 muon with pT > 12 GeV.
    • The two-dimensional Delta-XY between the Level 3 muon and the beam spot must be < 2 cm.
  • Notes:
    • This is a backup trigger in case the one proposed for physics needs to be prescaled.
  • Contact person(s) for Muon HLT code integration:

HLT_DoubleMu0

  • The L1 seed is the L1 bit:
  • Description:
    • A double muon trigger, based on the Level 3 (combined muon system and tracker) HLT muon reconstruction.
    • At least two Level 3 muons are required, without any pT cut.
    • Each Level 3 muon is seeded by a Level 2 muon, without any pT cut.
    • The two-dimensional Delta-XY between each Level 3 muon and the beam spot must be < 2 cm.
  • Contact person(s) for Muon HLT code integration:

HLT_DoubleMu3

  • The L1 seed is the L1 bit:
  • Description:
    • A double muon trigger, based on the Level 3 (combined muon system and tracker) HLT muon reconstruction.
    • At least two Level 3 muon with pT > 3 GeV are required.
    • Each Level 3 muons is seeded by a Level 2 muon with pT > 3 GeV.
    • The two-dimensional Delta-XY between each Level 3 muon and the beam spot must be < 2 cm.
  • Contact person(s) for Muon HLT code integration:

HLT_L1DoubleMuOpen

  • The L1 seed is the L1 bit:
  • Description:
    • A double muon pass-through trigger.
    • No selections beyond L1 are required in the HLT.
  • Contact person(s) for Muon HLT code integration:

HLT_IsoMu9

  • The L1 seed is the L1 bit:
  • Description:
    • A single muon trigger, based on the Level 3 (combined muon system and tracker) HLT muon reconstruction.
    • At least one Level 3 muon with pT > 9 GeV is required.
    • The Level 3 muon is seeded by a Level 2 muon with pT > 7 GeV.
    • Calorimetric isolation is required at L2.
    • Tracker isolation is required at L3.
    • The two-dimensional Delta-XY between the Level 3 muon and the beam spot must be < 2 cm.
  • Contact person(s) for Muon HLT code integration:

Electrons trigger paths

HLT_L1SingleEG5

HLT_Ele10_SW_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single electron trigger, using the startup pixel-matching window ("SW") at HLT.
    • The supercluster used to seed the pixel matching must have ET > 5 GeV and H/E < 0.2.
    • At least one HLT electron with ET > 10 GeV is required.
    • No isolation is required.
  • Contact person(s) for Top HLT code integration:

HLT_Ele15_SW_L1R

HLT_Ele15_SiStrip_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single electron trigger, using electron seeds made only of hits in the Si Strip tracker (i.e. pixel-less) at HLT.
    • The supercluster used to seed the pixel matching must have ET > 5 GeV and H/E < 0.2.
    • At least one HLT electron with ET > 15 GeV is required.
    • No isolation is required.
  • Notes:
    • This is a monitoring trigger to check the pixel-matching performance of the physics trigger.
    • It could serve as a backup trigger in case the pixel-matching performance of the physics trigger is below expectation.
  • Contact person(s):

HLT_Ele15_SW_LooseTrackIso_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single electron trigger, using the startup pixel-matching window ("SW") at HLT.
    • The supercluster used to seed the pixel matching must have ET > 5 GeV and H/E < 0.2.
    • At least one HLT electron with ET > 15 GeV is required.
    • Loose tracker isolation is required.
  • Notes:
    • This is a backup trigger in case the one proposed for physics needs to be prescaled.
  • Contact person(s) for EGamma HLT code integration:

HLT_Ele20_SW_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single electron trigger, using the startup pixel-matching window ("SW") at HLT.
    • The supercluster used to seed the pixel matching must have ET > 5 GeV and H/E < 0.2.
    • At least one HLT electron with ET > 20 GeV is required.
    • No isolation is required.
  • Notes:
    • This is a backup trigger in case the one proposed for physics needs to be prescaled.
  • Contact person(s) for EGamma HLT code integration:

HLT_Ele20_SiStrip_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single electron trigger, using electron seeds made only of hits in the Si Strip tracker (i.e. pixel-less) at HLT.
    • The supercluster used to seed the pixel matching must have ET > 5 GeV and H/E < 0.2.
    • At least one HLT electron with ET > 20 GeV is required.
    • No isolation is required.
  • Notes:
    • This is a monitoring trigger to check the pixel-matching performance of the physics trigger.
    • It could serve as a backup trigger in case the pixel-matching performance of the physics trigger is below expectation.
  • Contact person(s):

HLT_DoubleEle5_SW_Jpsi_L1R

  • The L1 seed is a logical OR of the following L1 bits:
  • Description:
    • A double electron trigger, using the startup pixel-matching window ("SW") at HLT.
    • The supercluster used to seed the pixel matching must have ET > 5 GeV and H/E < 0.2.
    • At least two HLT electrons with ET > 5 GeV are required.
    • An invariant mass cut is applied: 2.0 < M(ee) < 4.5 GeV.
    • Very loose HCAL isolcation is applied (EH < 9 GeV).
  • Notes:
    • This is a backup trigger in case the one proposed for physics needs to be prescaled.
  • Contact person(s) for EGamma HLT code integration:

HLT_DoubleEle5_SW_Upsilon_L1R

  • The L1 seed is a logical OR of the following L1 bits:
  • Description:
    • A double electron trigger, using the startup pixel-matching window ("SW") at HLT.
    • The supercluster used to seed the pixel matching must have ET > 5 GeV and H/E < 0.2.
    • At least two HLT electrons with ET > 5 GeV are required.
    • An invariant mass cut is applied: 8.0 < M(ee) < 11.0 GeV.
    • Very loose HCAL isolcation is applied (EH < 9 GeV).
  • Notes:
    • This is a backup trigger in case the one proposed for physics needs to be prescaled.
  • Contact person(s) for EGamma HLT code integration:

HLT_DoubleEle10_SW_L1R

HLT_Ele15_SC15_SW_LooseTrackIso_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single electron trigger, using the startup pixel-matching window ("SW") at HLT.
    • The supercluster used to seed the pixel matching must have ET > 5 GeV and H/E < 0.2.
    • At least one HLT electron with ET > 15 GeV is required.
    • An additional supercluster with ET > 15 GeV is required.
    • Loose tracker isolation is required.
  • Notes:
    • This trigger specifies an express stream (ES) bit.
  • Contact person(s) for EGamma HLT code integration:

HLT_Ele20_SC15_SW_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single electron trigger, using the startup pixel-matching window ("SW") at HLT.
    • The supercluster used to seed the pixel matching must have ET > 5 GeV and H/E < 0.2.
    • At least one HLT electron with ET > 20 GeV is required.
    • An additional supercluster with ET > 15 GeV is required.
    • No isolation is required.
  • Notes:
    • This trigger specifies an express stream (ES) bit.
  • Contact person(s) for EGamma HLT code integration:

HLT_Ele25_SW_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single electron trigger, using the startup pixel-matching window ("SW") at HLT.
    • The supercluster used to seed the pixel matching must have ET > 5 GeV and H/E < 0.2.
    • At least one HLT electron with ET > 25 GeV is required.
    • No isolation is required.
  • Notes:
    • This trigger specifies an express stream (ES) bit.
  • Contact person(s) for EGamma HLT code integration:
  • Contact person(s) for EWK PAG contact:

Photons trigger paths

HLT_Photon10_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single photon trigger, requiring at least one HLT photon with ET > 10 GeV.
    • No isolation is required.
  • Contact person(s) for EGamma HLT code integration:

HLT_Photon10_LooseEcalIso_TrackIso_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single photon trigger, requiring at least one HLT photon with ET > 10 GeV.
    • Loose ECAL isolation and tracker isolation are required.
  • Contact person(s) for Jet HLT code integration:

HLT_Photon15_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single photon trigger, requiring at least one HLT photon with ET > 15 GeV.
    • No isolation is required.
  • Contact person(s) for EGamma HLT code integration:

HLT_Photon20_LooseEcalIso_TrackIso_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single photon trigger, requiring at least one HLT photon with ET > 20 GeV.
    • Loose ECAL isolation and tracker isolation are required.
  • Contact person(s) for EGamma HLT code integration:

HLT_Photon25_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single photon trigger, requiring at least one HLT photon with ET > 25 GeV.
    • No isolation is required.
  • Contact person(s) for EGamma HLT code integration:

HLT_Photon25_LooseEcalIso_TrackIso_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single photon trigger, requiring at least one HLT photon with ET > 25 GeV.
    • Loose ECAL isolation and tracker isolation are required.
  • Notes:
    • This is a backup trigger in case the one proposed for physics needs to be prescaled.
  • Contact person(s) for Jet HLT code integration:

HLT_Photon30_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single photon trigger, requiring at least one HLT photon with ET > 30 GeV.
    • No isolation is required.
  • Notes:
    • This is a backup trigger in case the one proposed for physics needs to be prescaled.
    • This trigger is available as HLT_Photon30_L1R_1E31 in the 3.1.x table(s).
  • Contact person(s) for Jet HLT code integration:

HLT_DoublePhoton10_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A double photon trigger, requiring at least two HLT photons with ET > 10 GeV.
    • No isolation is required.
  • Contact person(s) for EGamma HLT code integration:

HLT_DoublePhoton15_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A double photon trigger, requiring at least two HLT photons with ET > 15 GeV.
    • No isolation is required.
  • Contact person(s) for EGamma HLT code integration:

HLT_DoublePhoton15_VeryLooseEcalIso_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A double photon trigger, requiring at least two HLT photons with ET > 15 GeV.
    • Very lose ECAL isolation is required.
  • Contact person(s) for EGamma HLT code integration:

HLT_Photon70_L1R

  • The L1 seed is the L1 bit:
  • Description:
    • A single photon trigger, requiring at least one HLT photon with ET > 70 GeV.
    • No isolation is required.
  • Notes:
    • This trigger specifies an express stream (ES) bit.
  • Contact person(s) for EGamma HLT code integration:

Tau trigger paths

HLT_SingleIsoTau30_Trk5

  • The L1 seed is a logical OR of the following L1 bits:
  • Description:
    • A single tau trigger, requiring at least one HLT tau with ET > 30 GeV.
    • A relaxed ECAL isolation cut is applied, requiring the sum of the ET in an annulus 0.15 < R < 0.5 to be ΣET < 5 GeV + 0.025 × ET + 0.0075 × ET ² / GeV.
    • Tracker isolation is required.
    • The leading track is requested to have a pT above 5 GeV/c.
  • Contact person(s) for Particle flow and Tau HLT code integration:

HLT_DoubleLooseIsoTau15_Trk5

  • The L1 seed is a logical OR of the following L1 bits:
  • Description:
    • A double tau trigger, requiring at least two HLT taus with ET > 15 GeV.
    • A relaxed ECAL isolation cut is applied, requiring the sum of the ET in an annulus 0.15 < R < 0.5 to be ΣET < 5 GeV + 0.025 × ET + 0.0075 × ET ² / GeV.
    • The leading track is requested to have a pT above 5 GeV/c.
  • Contact person(s) for Particle flow and Tau HLT code integration:

b-jets trigger paths

HLT_BTagIP_Jet80

  • The L1 seed is the L1 bit:
  • Description:
    • A single jet lifetime-based b-tag trigger, requiring >= 1 jet at L2 with pT > 80 GeV.
    • The jet energy threshold is chosen based on corrected jets.
    • One of the four highest-ET jets is required to pass a loose lifetime b-tagging cuts, based on STARTUP tracker alignment.
  • Contact person(s) for BTag HLT code integration:

HLT_BTagIP_Jet120

  • The L1 seed is the L1 bit:
  • Description:
    • A single jet lifetime-based b-tag trigger, requiring >= 1 jet at L2 with pT > 120 GeV.
    • The jet energy threshold is chosen based on corrected jets.
    • One of the four highest-ET jets is required to pass a loose lifetime b-tagging cuts, based on STARTUP tracker alignment.
  • Notes:
    • This trigger specifies an express stream (ES) bit.
  • Contact person(s) for BTag HLT code integration:

HLT_BTagMu_Jet20

  • The L1 seed is the L1 bit:
  • Description:
    • A single jet soft muon b-tag trigger, requiring >= 1 jet at L2 with pT > 20 GeV.
    • The jet energy threshold is chosen based on corrected jets.
    • It requires an L2 and L3 muon within one of the four highest-ET jets.
  • Contact person(s) for BTag HLT code integration:

Abort Gap trigger paths

HLT_StoppedHSCP

  • The L1 seed is the L1 bit:
  • Description:
    • Dedicated trigger for stopped particle search.
    • The L1 seed is a calo jet during a period of no collisions.
    • The HLT path applies cuts to reject HCAL noise (hltHpdFilter), constructs jets from HCAL only, and cuts on jet energy (not Et).
  • Notes:
    • The 2.2.6-HLT version is still cutting on Et instead of E.
    • This trigger is available as HLT_StoppedHSCP_1E31 in the 3.1.x, 2.2.6-HLT table(s).
  • Contact person(s) for Developer for Exotica PAG:

Cross-channel trigger paths

HLT_Ele10_SW_L1R_TripleJet30

HLT_L2Mu9_DiJet30

HLT_L2Mu5_Photon9_L1R

HLT_L1Mu14_L1SingleEG10

HLT_L1Mu14_L1SingleJet15

HLT_L1Mu14_L1ETM40

MinBias trigger paths

HLT_ZeroBias

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • An unbiased trigger.
  • Notes:
    • L1_ZeroBias is not available in the 2.2.6-HLT L1 trigger table; L1_MinBias_HTT10 is used instead.
  • Contact person(s):

HLT_MinBiasHcal

HLT_MinBiasEcal

  • The L1 seed is a logical OR of the following L1 bits (prescaled):
  • Description:
    • At HLT, only a prescale factor is applied
  • Notes:
    • L1_SingleEG1 will be masked in favor of L1_SingleEG2 if the ECAL noise is too high.
  • Contact person(s):

HLT_MinBiasPixel

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • There must be 2 (default) tracks with pT above 0.2 GeV/c and having same origin (within 1 cm in |z|)
  • Notes:
    • L1_ZeroBias is not available in the 2.2.6-HLT L1 trigger table; L1_MinBias_HTT10 is used instead.
  • Contact person(s):

HLT_MinBiasPixel_Trk5

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • There must be 2 (default) tracks with pT above 0.2 GeV/c and having same origin (within 1 cm in |z|)
  • Notes:
    • L1_ZeroBias is not available in the 2.2.6-HLT L1 trigger table; L1_MinBias_HTT10 is used instead.
  • Contact person(s):

Commissioning trigger paths

HLT_CSCBeamHalo

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • Selects events that pass the L1_SingleMuBeamHalo bit (all CSC beam-halo).
    • No selections beyond L1 are required in the HLT.
  • Contact person(s):

HLT_CSCBeamHaloOverlapRing1

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • Selects events that pass the L1_SingleMuBeamHalo bit (all CSC beam-halo)..
    • Requires a pattern of CSC RecHits that indicate that the muon has passed through the narrow overlap region in pairs of neighboring chambers, in the CSC inner ring (ring 1).
    • This represents a ~1/50 reduction in rate, and these events are very valuable for alignment
  • Contact person(s):

HLT_CSCBeamHaloOverlapRing2

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • Selects events that pass the L1_SingleMuBeamHalo bit (all CSC beam-halo)..
    • Requires a pattern of CSC RecHits that indicate that the muon has passed through the narrow overlap region in pairs of neighboring chambers, in the CSC outer ring (ring 2).
    • This represents a ~1/50 reduction in rate, and these events are very valuable for alignment
  • Contact person(s):

HLT_CSCBeamHaloRing2or3

  • The L1 seed is the L1 bit (prescaled):
  • Description:
    • Selects events that pass the L1_SingleMuBeamHalo bit (all CSC beam-halo).
    • Additionally requires CSC RecHits in rings 2 (ME1/2, 2/2, or 3/2) or 3 (ME1/3), which are more rare and therefore more valuable.
    • This trigger has applications beyond alignment.
  • Contact person(s):

HLT_BackwardBSC

  • The L1 seed is a logical OR of the following L1 technical bits:
  • The L1 prescale factors are still to be determined.
  • Description:
    • Selects events that pass the L1 technical trigger for the Beam Scintillation Counter, for beam-halo in the tracker.
    • There are two L1 bits, corresponding to forward and backward-going beam-halo muons (from their timing), and these are passed to two HLT paths.
  • Contact person(s):

HLT_ForwardBSC

  • The L1 seed is a logical OR of the following L1 technical bits:
  • The L1 prescale factors are still to be determined.
  • Description:
    • Selects events that pass the L1 technical trigger for the Beam Scintillation Counter, for beam-halo in the tracker.
    • There are two L1 bits, corresponding to forward and backward-going beam-halo muons (from their timing), and these are passed to two HLT paths.
  • Contact person(s):

HLT_TrackerCosmics

  • The L1 seed is a logical OR of the following L1 technical bits:
  • The L1 prescale factors are still to be determined.
  • Description:
    • Selects events that pass the L1 technical trigger for RPC cosmics.
    • To be made more restrictive, to select cosmic rays that actually point to the tracker (to be reviewed).
  • Contact person(s):

AlCaRAW trigger paths

HLT_IsoTrack

AlCa_HcalPhiSym

  • The L1 seed is a logical OR of the following L1 bits (prescaled):
  • Description:
    • The path is asking for having at least one HCALRecHit with > 0 MeV in any of HCAL subdetector.
    • Only HcalRecHit collection will be stored from that events.
    • This path should run only on non-zero-suppressed data.
    • Typical events size is ~100 kB.
  • Notes:
    • L1_SingleEG1 will be masked in favor of L1_SingleEG2 if the ECAL noise is too high.
  • Contact person(s) for AlCa code integration:

AlCa_EcalPhiSym

AlCa_EcalPi0

AlCa_EcalEta

Monitoring trigger paths

AlCa_RPCMuonNormalisation

  • The L1 seed is a logical OR of the following L1 bits:
  • Description:
    • This path is a copy of HLT_L1MuOpen up to |eta|<1.6 following the coverage of RPC chambers.
    • The events recorded by such path will be used by RPC people in order to normalize their efficiency calculation.
    • The output of the path is composed of Digis and RecHits from each muon subdetector.
  • Notes:
    • These two paths are needed for monitoring the RPC chambers. The statement AlCa_ only signify that they are part of a dedicated stream (not that they are part of Alignement/Claibration workflow)
  • Contact person(s) for AlCa code integration:

AlCa_RPCMuonNoHits

  • The L1 seed is a logical OR of the following L1 bits:
  • Description:
    • This path is seeded by the same L1 seeds that the previous one and go up to |eta|<1.6.
    • It will select "pathological" events for RPC: events where DT or CSC have seen muon hits but not RPC chambers.
    • The selection of the event is based on L1MuonQuality bit (== 6).
    • The output of the path is composed of Digis and RecHits from each muon subdetector.
  • Notes:
    • These two paths are needed for monitoring the RPC chambers. The statement AlCa_ only signify that they are part of a dedicated stream (not that they are part of Alignement/Claibration workflow)
  • Contact person(s) for AlCa code integration:

E/gamma pixel matching windows

The electron pixel matching windows are defined by the variables:
  • ePhi1: searching window in phi for the first hit in the electron hypothesis
  • pPhi1: searching window in phi for the first hit in the positron hypothesis
  • Phi2: searching window for the second hit (after the first hit the charge of the candidate seed is assigned )
  • r2 F: searching window for the second hit in the endcap
  • z2 B: searching window for the second hit in the barrel

Three sets of matching windows are used: Normal, Startup, and Large. The values of the window variables in each are:

Normal window

Variable Minimum Maximum
ePhi1 -0.025 0.015
pPhi1 -0.015 0.025
Phi2 -0.005 0.005
r2 F -0.08 0.08
z2 B -0.05 0.05

Startup window (SW)

Variable Minimum Maximum
ePhi1 -0.025 0.015
pPhi1 -0.015 0.025
Phi2 -0.001 0.001
r2 F -0.096 0.096
z2 B -0.06 0.06

Large window (LW)

Variable Minimum Maximum
ePhi1 -0.045 0.03
pPhi1 -0.03 0.045
Phi2 -0.001 0.001
r2 F -0.3 0.3
z2 B -0.2 0.2

L1 seeds

Jet and MET seeds

L1 bit Requirement
L1_SingleJetX 1 Jet with Et > X GeV
L1_DoubleJetX 2 Jets with Et > X GeV
L1_ETMX L1 Missing-ET with Et > X GeV
L1_ETTX L1 Scalar Sum ET with Et > X GeV

Muon seeds

All L1 muon triggers have L1 muon-quality requirements, unless explicitly specified.

The L1 muon-quality for:

  • Single muon triggers require quality codes: 4 or 5 or 6 or 7
  • Double muon triggers require: 3 or 5 or 6 or 7
  • Triple or quadruple muon triggers require: 2, 3, 4, 5, 6, 7
  • Muons in cross-channel triggers require the same quality codes as in single, double, triple or quadruple muon triggers, except for muons in cross-channel triggers of the type "SingleMu_* AND (other than muons trigger objects)" which requires the same quality codes as in double muon triggers.

Where the quality codes mean:

  • 0 : Empty muon
  • 1 : Halo muon
  • 2 : Very Low Quality Type 1
  • 3 : Very Low Quality Type 2
  • 4 : Very Low Quality Type 3
  • 5 : RPC unconfirmed candidate
  • 6 : DT or CSC unconfirmed candidate
  • 7 : DT/RPC or CSC/RPC Matched candidate

For more information about muon quality please see L1 muon quality.

L1 bit Requirement
L1_SingleMuX 1 Muon with pT > X GeV/c
L1_DoubleMuX 2 Muons with pT > X GeV/c
L1_SingleMuOpen 1 Muon with quality 2, 3, 4, 5, 6 or 7; no pT cut
L1_DoubleMuOpen 2 Muons, each with quality 2, 3, 4, 5, 6 or 7; no pT cut

Electron/Photon seeds

L1 bit Requirement
L1_SingleEGX 1 EM object with Et > X GeV
L1_DoubleEGX 2 EM objects with Et > X GeV
L1_SingleIsoEGX 1 isolated EM object with Et > X GeV
L1_DoubleIsoEGX 2 isolated EM objects with Et > X GeV

Tau seeds

L1 bit Requirement
L1_SingleTauJetX 1 Tau jet with Et > X GeV
L1_DoubleTauJetX 2 Tau jets with Et > X GeV

WarningIn OpenHLT from CMSSW 21X and in regular HLT from 30X the L1 seeds to L2 are L1 Tau & L1 Central Jets!

Mixed-object seeds

L1 bit Requirement
L1_IsoEG10_Jet15_ForJet10 At least one 20 GeV L1 jet, one 10 GeV L1 EM object, and a forward rapidity gap, (Detailed description)
L1_TauJet30_ETM30 1 Tau jet with Et > 30 GeV and Missing-ET with Et > 30 GeV
L1_Mu5_Jet15 1 Jet with Et > 15 GeV and 1 Muon with pT > 5 GeV/c


The tables and algorthm descriptions have been autogenerated from the tools and content available at https://twiki.cern.ch/twiki/bin/view/Sandbox/TriggerMenuTools - please do not edit them directly.

The additional comments are included from a sub-topic - feel free to add further comments and corrections there.

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Topic revision: r35 - 2020-08-19 - TWikiAdminUser
 
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