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/data/doxygen/doxygen-1.7.3/gen/CMSSW_4_2_8/src/RecoBTag/ImpactParameter/python/promptTrackCountingComputer_cfi.py

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00001 import FWCore.ParameterSet.Config as cms
00002 
00003 # This computer counts the number of PROMPT tracks in a jet.
00004 # i.e. The tagging variable it calculates is equal to this number.
00005 # Its main use it for exotica physics, not b tagging.
00006 # It counts tracks with impact parameter significance less than some cut.
00007 # If you also wish to apply a cut on the maximum allowed impact parameter,
00008 # you can do this in the TagInfoProducer.
00009 
00010 promptTrackCounting = cms.ESProducer("PromptTrackCountingESProducer",
00011     impactParameterType = cms.int32(0), ## 0 = 3D, 1 = 2D
00012 
00013     maximumDistanceToJetAxis = cms.double(999999.0),
00014     deltaR = cms.double(-1.0), ## use cut from JTA
00015 
00016     maximumDecayLength = cms.double(999999.0),
00017     # Warning, this cuts on absolute impact parameter significance
00018     maxImpactParameterSig = cms.double(999999.0),
00019     trackQualityClass = cms.string("any"),
00020 
00021     # This parameter is not used. 
00022     nthTrack = cms.int32(-1)                                    
00023 )
00024 
00025