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mkfit for LST-seeded in offline phase-2 #51140

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b1a023d
add mkFit building for Phase2-offline in a Phase-2 HLT-like configura…
Apr 13, 2026
dc618f2
Lowering pT thresholds for mkFit seeds input from LST, no pLS duplica…
Jun 6, 2026
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3 changes: 3 additions & 0 deletions DQM/TrackingMonitorSource/python/TrackingSourceConfig_Tier0_cff.py
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Original file line number Diff line number Diff line change
Expand Up @@ -400,6 +400,9 @@ def _copyIfExists(mod, pset, name):
trackingLST.toModify(locals()["TrackSeedMonhighPtTripletStep"],
SeedProducer = "lstInputProducer"
)
seedingLST.toModify(locals()["TrackSeedMonhighPtTripletStep"],
SeedProducer = "highPtTripletStepTrajectorySeedsLST"
)
_LST_TrackSeedMonSequence = TrackSeedMonSequence.copyAndExclude([locals()["TrackSeedMoninitialStep"]])
(seedingLST | trackingLST).toReplaceWith(TrackSeedMonSequence, _LST_TrackSeedMonSequence)

Expand Down
40 changes: 37 additions & 3 deletions RecoTracker/IterativeTracking/python/HighPtTripletStep_cff.py
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Original file line number Diff line number Diff line change
Expand Up @@ -247,14 +247,25 @@
config = ('', 'highPtTripletStepTrackCandidatesMkFitConfig'),
clustersToSkip = 'highPtTripletStepClusters',
)
trackingMkFitHighPtTripletStep.toReplaceWith(highPtTripletStepTrackCandidates, mkFitOutputConverter_cfi.mkFitOutputConverter.clone(
(~trackingPhase2PU140 & trackingMkFitHighPtTripletStep).toReplaceWith(highPtTripletStepTrackCandidates, mkFitOutputConverter_cfi.mkFitOutputConverter.clone(
seeds = 'highPtTripletStepSeeds',
mkFitSeeds = 'highPtTripletStepTrackCandidatesMkFitSeeds',
tracks = 'highPtTripletStepTrackCandidatesMkFit',
candMVASel = True,
candWP = -0.3,
))
(pp_on_XeXe_2017 | pp_on_AA).toModify(highPtTripletStepTrackCandidatesMkFitConfig, minPt=0.7)
(trackingPhase2PU140 & trackingMkFitHighPtTripletStep & seedingLST & trackingLST).toModify(highPtTripletStepTrackCandidatesMkFitSeeds,
seeds = 'highPtTripletStepTrajectorySeedsLST'
)
(trackingPhase2PU140 & trackingMkFitHighPtTripletStep & seedingLST & trackingLST).toModify(highPtTripletStepTrackCandidatesMkFit,
stripHits = cms.InputTag("mkFitSiPhase2Hits"),
clustersToSkip = cms.InputTag("")
)
(trackingPhase2PU140 & trackingMkFitHighPtTripletStep & seedingLST & trackingLST).toModify(highPtTripletStepTrackCandidatesMkFitConfig,
config = cms.FileInPath('RecoTracker/MkFit/data/mkfit-phase2-lstStep-offline.json'),
minPt = cms.double(0)
)

# For Phase2PU140
from TrackingTools.TrajectoryCleaning.TrajectoryCleanerBySharedHits_cfi import trajectoryCleanerBySharedHits as _trajectoryCleanerBySharedHits
Expand All @@ -263,14 +274,26 @@
fractionShared = 0.16,
allowSharedFirstHit = True
)
trackingPhase2PU140.toModify(highPtTripletStepTrackCandidates,
trackingPhase2PU140.toModify(highPtTripletStepTrackCandidates,
TrajectoryCleaner = 'highPtTripletStepTrajectoryCleanerBySharedHits',
clustersToSkip = '',
phase2clustersToSkip = 'highPtTripletStepClusters'
)

from RecoTracker.LST.lstOutputConverter_cfi import lstOutputConverter as _lstOutputConverter
(trackingPhase2PU140 & trackingLST).toReplaceWith(highPtTripletStepTrackCandidates, _lstOutputConverter.clone())
highPtTripletStepTrajectorySeedsLST = _lstOutputConverter.clone(
includeNonpLSTSs = cms.bool(True)
)

(trackingPhase2PU140 & trackingMkFitHighPtTripletStep & seedingLST & trackingLST).toReplaceWith(highPtTripletStepTrackCandidates, mkFitOutputConverter_cfi.mkFitOutputConverter.clone(
seeds = 'highPtTripletStepTrajectorySeedsLST',
mkFitSeeds = 'highPtTripletStepTrackCandidatesMkFitSeeds',
tracks = 'highPtTripletStepTrackCandidatesMkFit',
candMVASel = False,
candCutSel = False,
mkFitStripHits = 'mkFitSiPhase2Hits'
))

#For FastSim phase1 tracking
import FastSimulation.Tracking.TrackCandidateProducer_cfi
Expand Down Expand Up @@ -376,6 +399,8 @@

(trackingPhase2PU140 & seedingLST).toModify(highPtTripletStepSelector, passThroughForAll = True)

(trackingPhase2PU140 & seedingLST & trackingMkFitHighPtTripletStep).toModify(highPtTripletStepSelector, passThroughForAll = False)

# Final sequence
HighPtTripletStepTask = cms.Task(highPtTripletStepClusters,
highPtTripletStepSeedLayers,
Expand Down Expand Up @@ -405,6 +430,13 @@
_HighPtTripletStepTask_LST.add(siPhase2RecHits, lstInputProducer, lstProducerTask)
(trackingPhase2PU140 & trackingLST).toReplaceWith(HighPtTripletStepTask, _HighPtTripletStepTask_LST)

_HighPtTripletStepTask_LST_mkFit = _HighPtTripletStepTask_LST.copy()
(trackingPhase2PU140 & seedingLST & trackingLST & trackingMkFitHighPtTripletStep).toModify(lstInputProducer,
ptCut = cms.double(0.1)
)
_HighPtTripletStepTask_LST_mkFit.add(highPtTripletStepTrajectorySeedsLST,highPtTripletStepTrackCandidatesMkFitSeeds, highPtTripletStepTrackCandidatesMkFit, highPtTripletStepTrackCandidatesMkFitConfig)
(trackingPhase2PU140 & trackingMkFitHighPtTripletStep & seedingLST & trackingLST).toReplaceWith(HighPtTripletStepTask,_HighPtTripletStepTask_LST_mkFit)

from Configuration.ProcessModifiers.alpakaValidationLST_cff import alpakaValidationLST
from HeterogeneousCore.AlpakaCore.functions import makeSerialClone
lstInputProducerSerialSync = makeSerialClone(lstInputProducer)
Expand All @@ -425,9 +457,11 @@
lstProducerSerialSync, highPtTripletStepTrackCandidatesSerialSync,
highPtTripletStepTracksSerialSync, highPtTripletStepSelectorSerialSync
)
_HighPtTripletStepTask_LST_mkFitSerialSync = _HighPtTripletStepTask_LSTSerialSync.copy()
_HighPtTripletStepTask_LST_mkFitSerialSync.add(highPtTripletStepTrajectorySeedsLST,highPtTripletStepTrackCandidatesMkFitSeeds, highPtTripletStepTrackCandidatesMkFit, highPtTripletStepTrackCandidatesMkFitConfig)
HighPtTripletStepTaskSerialSync = cms.Task()
(trackingPhase2PU140 & alpakaValidationLST & trackingLST).toReplaceWith(HighPtTripletStepTaskSerialSync, _HighPtTripletStepTask_LSTSerialSync)

(trackingPhase2PU140 & alpakaValidationLST & trackingLST & seedingLST & trackingMkFitHighPtTripletStep).toReplaceWith(HighPtTripletStepTaskSerialSync,_HighPtTripletStepTask_LST_mkFitSerialSync)
# fast tracking mask producer
_HighPtTripletStepTask_fastSim = cms.Task(highPtTripletStepMasks
,highPtTripletStepTrackingRegions
Expand Down
15 changes: 15 additions & 0 deletions RecoTracker/LST/python/lstProducerTask_cff.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,4 +4,19 @@

from RecoTracker.LST.lstModulesDevESProducer_cfi import lstModulesDevESProducer

from Configuration.ProcessModifiers.seedingLST_cff import seedingLST
from Configuration.ProcessModifiers.trackingLST_cff import trackingLST
from Configuration.ProcessModifiers.trackingMkFitHighPtTripletStep_cff import trackingMkFitHighPtTripletStep
from Configuration.Eras.Modifier_trackingPhase2PU140_cff import trackingPhase2PU140

(trackingPhase2PU140 & trackingMkFitHighPtTripletStep & seedingLST & trackingLST).toModify(lstProducer,
ptCut = cms.double(0.6),
ptCutLabel = cms.string('0.6'),
nopLSDupClean = cms.bool(True),
tcpLSTriplets = cms.bool(True)
)
(trackingPhase2PU140 & trackingMkFitHighPtTripletStep & seedingLST & trackingLST).toModify(lstModulesDevESProducer,
ptCutLabel = cms.string('0.6')
)

lstProducerTask = cms.Task(lstModulesDevESProducer, lstProducer)