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Streamline HLT L3 Muon reconstruction
- execute either Inside-Out or Outside-In reconstruction first, resorting to the second pass only for candidates that require it - Tracks filtered by quality using some of the same criteria as HLT Muon ID - L1/L2 objects matched with bad L3 tracks are reused to seed the second reconstruction step - Changes implemented via 2 procModifiers for IO first (default) and OI first reconstruction - Implemented changes in SingleMu, TTbar, and ZMM workflows with .777 and .778 subfixes for IO and OI first reconstruction, respectively - Change 2026 to Run4 in Phase 2 workflows
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4
Configuration/ProcessModifiers/python/phase2L3MuonsOIFirst_cff.py
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| import FWCore.ParameterSet.Config as cms | ||
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| # this modifier is for enabling Phase 2 L3 Tracker Muon Outside-In first reconstruction | ||
| phase2L3MuonsOIFirst = cms.Modifier() |
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25 changes: 25 additions & 0 deletions
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HLTrigger/Configuration/python/HLT_75e33/modules/hltPhase2L3MuonFilter_cfi.py
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| import FWCore.ParameterSet.Config as cms | ||
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| hltPhase2L3MuonFilter = cms.EDProducer( | ||
| "phase2HLTMuonSelectorForL3", | ||
| l1TkMuons=cms.InputTag("l1tTkMuonsGmt"), | ||
| l2MuonsUpdVtx=cms.InputTag("hltL2MuonsFromL1TkMuon", "UpdatedAtVtx"), | ||
| l3Tracks=cms.InputTag("hltIter2Phase2L3FromL1TkMuonMerged"), | ||
| IOFirst=cms.bool(True), | ||
| matchingDr=cms.double(0.02), | ||
| applyL3Filters=cms.bool(True), | ||
| MinNhits=cms.int32(1), | ||
| MaxNormalizedChi2=cms.double(5.0), | ||
| MinNhitsMuons=cms.int32(0), | ||
| MinNhitsPixel=cms.int32(1), | ||
| MinNhitsTracker=cms.int32(6), | ||
| MaxPtDifference=cms.double(999.0), | ||
| ) | ||
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| from Configuration.ProcessModifiers.phase2L2AndL3Muons_cff import phase2L2AndL3Muons | ||
| from Configuration.ProcessModifiers.phase2L3MuonsOIFirst_cff import phase2L3MuonsOIFirst | ||
| (phase2L2AndL3Muons & phase2L3MuonsOIFirst).toModify( | ||
| hltPhase2L3MuonFilter, | ||
| l3Tracks=cms.InputTag("hltPhase2L3OIMuonTrackSelectionHighPurity"), | ||
| IOFirst=cms.bool(False), | ||
| ) |
74 changes: 52 additions & 22 deletions
74
HLTrigger/Configuration/python/HLT_75e33/modules/hltPhase2L3MuonMerged_cfi.py
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| import FWCore.ParameterSet.Config as cms | ||
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| hltPhase2L3MuonMerged = cms.EDProducer("TrackListMerger", | ||
| Epsilon = cms.double(-0.001), | ||
| FoundHitBonus = cms.double(5.0), | ||
| LostHitPenalty = cms.double(20.0), | ||
| MaxNormalizedChisq = cms.double(1000.0), | ||
| MinFound = cms.int32(3), | ||
| MinPT = cms.double(0.05), | ||
| ShareFrac = cms.double(0.19), | ||
| TrackProducers = cms.VInputTag("hltPhase2L3OIMuonTrackSelectionHighPurity", "hltIter2Phase2L3FromL1TkMuonMerged"), | ||
| allowFirstHitShare = cms.bool(True), | ||
| copyExtras = cms.untracked.bool(True), | ||
| copyMVA = cms.bool(False), | ||
| hasSelector = cms.vint32(0, 0), | ||
| indivShareFrac = cms.vdouble(1.0, 1.0), | ||
| newQuality = cms.string('confirmed'), | ||
| selectedTrackQuals = cms.VInputTag("hltPhase2L3OIMuonTrackSelectionHighPurity", "hltIter2Phase2L3FromL1TkMuonMerged"), | ||
| setsToMerge = cms.VPSet(cms.PSet( | ||
| pQual = cms.bool(False), | ||
| tLists = cms.vint32(0, 1) | ||
| )), | ||
| trackAlgoPriorityOrder = cms.string('hltESPTrackAlgoPriorityOrder'), | ||
| writeOnlyTrkQuals = cms.bool(False) | ||
| hltPhase2L3MuonMerged = cms.EDProducer( | ||
| "TrackListMerger", | ||
| Epsilon=cms.double(-0.001), | ||
| FoundHitBonus=cms.double(5.0), | ||
| LostHitPenalty=cms.double(20.0), | ||
| MaxNormalizedChisq=cms.double(1000.0), | ||
| MinFound=cms.int32(3), | ||
| MinPT=cms.double(0.05), | ||
| ShareFrac=cms.double(0.19), | ||
| TrackProducers=cms.VInputTag( | ||
| "hltPhase2L3OIMuonTrackSelectionHighPurity", | ||
| "hltIter2Phase2L3FromL1TkMuonMerged", | ||
| ), | ||
| allowFirstHitShare=cms.bool(True), | ||
| copyExtras=cms.untracked.bool(True), | ||
| copyMVA=cms.bool(False), | ||
| hasSelector=cms.vint32(0, 0), | ||
| indivShareFrac=cms.vdouble(1.0, 1.0), | ||
| newQuality=cms.string("confirmed"), | ||
| selectedTrackQuals=cms.VInputTag( | ||
| "hltPhase2L3OIMuonTrackSelectionHighPurity", | ||
| "hltIter2Phase2L3FromL1TkMuonMerged", | ||
| ), | ||
| setsToMerge=cms.VPSet(cms.PSet(pQual=cms.bool(False), tLists=cms.vint32(0, 1))), | ||
| trackAlgoPriorityOrder=cms.string("hltESPTrackAlgoPriorityOrder"), | ||
| writeOnlyTrkQuals=cms.bool(False), | ||
| ) | ||
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| from Configuration.ProcessModifiers.phase2L2AndL3Muons_cff import phase2L2AndL3Muons | ||
| phase2L2AndL3Muons.toModify( | ||
| hltPhase2L3MuonMerged, | ||
| TrackProducers=cms.VInputTag( | ||
| "hltPhase2L3OIMuonTrackSelectionHighPurity", | ||
| cms.InputTag("hltPhase2L3MuonFilter", "L3IOTracksFiltered"), | ||
| ), | ||
| selectedTrackQuals=cms.VInputTag( | ||
| "hltPhase2L3OIMuonTrackSelectionHighPurity", | ||
| cms.InputTag("hltPhase2L3MuonFilter", "L3IOTracksFiltered"), | ||
| ), | ||
| ) | ||
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| from Configuration.ProcessModifiers.phase2L3MuonsOIFirst_cff import phase2L3MuonsOIFirst | ||
| (phase2L2AndL3Muons & phase2L3MuonsOIFirst).toModify( | ||
| hltPhase2L3MuonMerged, | ||
| TrackProducers=cms.VInputTag( | ||
| cms.InputTag("hltPhase2L3MuonFilter", "L3OITracksFiltered"), | ||
| "hltIter2Phase2L3FromL1TkMuonMerged", | ||
| ), | ||
| selectedTrackQuals=cms.VInputTag( | ||
| cms.InputTag("hltPhase2L3MuonFilter", "L3OITracksFiltered"), | ||
| "hltIter2Phase2L3FromL1TkMuonMerged", | ||
| ), | ||
| ) |
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81 changes: 81 additions & 0 deletions
81
RecoMuon/L3TrackFinder/interface/phase2HLTMuonSelectorForL3.h
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| #ifndef RecoMuon_L3TrackFinder_phase2HLTMuonSelectorForL3_H | ||
| #define RecoMuon_L3TrackFinder_phase2HLTMuonSelectorForL3_H | ||
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| /** \class phase2HLTMuonSelectorForL3 | ||
| * | ||
| * Phase-2 L3 selector for Muons | ||
| * This module allows to choose whether to perform | ||
| * Inside-Out or Outside-In reconstruction first for L3 Muons, | ||
| * performing the second pass only on candidates that were not | ||
| * reconstructed or whose quality was not good enough. Required | ||
| * quality criteria are configurable, the default parameters | ||
| * match the requests of HLT Muon ID. | ||
| * When Inside-Out reconstruction is performed first, the resulting | ||
| * L3 Tracks are filtered and geometrically matched with L2 | ||
| * Standalone Muons. If either the match is unsuccessful, or | ||
| * the L3 track is not of good-enough quality, the associated | ||
| * Standalone Muon will be re-used to seed the Outside-In step. | ||
| * The Outside-In first approach follows a similar logic by | ||
| * matching the L3 tracks directly with L1 Tracker Muons. | ||
| * Then, when either the match fails or the track is not of | ||
| * good-enough quality, the L1 Tracker Muon is re-used to seed | ||
| * the Inside-Out reconstruction. | ||
| * | ||
| * \author Luca Ferragina (INFN BO), 2024 | ||
| */ | ||
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| #include "FWCore/Framework/interface/stream/EDProducer.h" | ||
| #include "FWCore/Framework/interface/ESHandle.h" | ||
| #include "FWCore/Framework/interface/Frameworkfwd.h" | ||
| #include "FWCore/Framework/interface/ConsumesCollector.h" | ||
| #include "FWCore/Framework/interface/EventSetup.h" | ||
| #include "FWCore/Framework/interface/Event.h" | ||
| #include "FWCore/Framework/interface/MakerMacros.h" | ||
| #include "FWCore/ParameterSet/interface/ParameterSet.h" | ||
| #include "FWCore/MessageLogger/interface/MessageLogger.h" | ||
| #include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h" | ||
| #include "FWCore/Utilities/interface/ESGetToken.h" | ||
| #include "FWCore/Utilities/interface/InputTag.h" | ||
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| #include "DataFormats/L1TMuonPhase2/interface/TrackerMuon.h" | ||
| #include "DataFormats/MuonReco/interface/MuonFwd.h" | ||
| #include "DataFormats/MuonSeed/interface/L2MuonTrajectorySeedCollection.h" | ||
| #include "DataFormats/TrackReco/interface/Track.h" | ||
| #include "DataFormats/TrackReco/interface/TrackFwd.h" | ||
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| namespace edm { | ||
| class ParameterSet; | ||
| class Event; | ||
| class EventSetup; | ||
| } // End namespace edm | ||
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| class phase2HLTMuonSelectorForL3 : public edm::stream::EDProducer<> { | ||
| public: | ||
| // Constructor | ||
| phase2HLTMuonSelectorForL3(const edm::ParameterSet&); | ||
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| // Destructor | ||
| ~phase2HLTMuonSelectorForL3() override = default; | ||
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| // Default values | ||
| static void fillDescriptions(edm::ConfigurationDescriptions& descriptions); | ||
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| // Select objects to be reused | ||
| void produce(edm::Event&, const edm::EventSetup&) override; | ||
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| private: | ||
| const edm::EDGetTokenT<l1t::TrackerMuonCollection> l1TkMuCollToken_; | ||
| const edm::EDGetTokenT<reco::TrackCollection> l2MuCollectionToken_; | ||
| const edm::EDGetTokenT<reco::TrackCollection> l3TrackCollectionToken_; | ||
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| const bool IOFirst_; | ||
| const double matchingDr_; | ||
| const bool applyL3Filters_; | ||
| const double maxNormalizedChi2_, maxPtDifference_; | ||
| const int minNhits_, minNhitsMuons_, minNhitsPixel_, minNhitsTracker_; | ||
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| // Check L3 inner track quality parameters | ||
| const bool rejectL3Track(l1t::TrackerMuonRef l1TkMuRef, reco::TrackRef l3TrackRef) const; | ||
| }; | ||
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| #endif |
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