tauMatch_cfi.py

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import FWCore.ParameterSet.Config as cms

#
# Example for a configuration of the MC match
# for taus (cuts are NOT tuned)
# (using old values from TQAF, january 2008)
#
tauMatch = cms.EDProducer("MCMatcher",
    src         = cms.InputTag("shrinkingConePFTauProducer"),    # RECO objects to match
    matched     = cms.InputTag("genParticles"),              # mc-truth particle collection
    mcPdgId     = cms.vint32(15),                            # one or more PDG ID (15 = tau); absolute values (see below)
    checkCharge = cms.bool(True),                            # True = require RECO and MC objects to have the same charge
    mcStatus    = cms.vint32(2),                             # PYTHIA status code (1 = stable, 2 = shower, 3 = hard scattering)
                                                             # NOTE that Taus can only be status 3 or 2, never 1!
    maxDeltaR   = cms.double(999.9),                         # Minimum deltaR for the match.     By default any deltaR is allowed (why??)
    maxDPtRel   = cms.double(999.9),                         # Minimum deltaPt/Pt for the match. By default anything is allowed   ( ""  )
    resolveAmbiguities    = cms.bool(True),                  # Forbid two RECO objects to match to the same GEN object
    resolveByMatchQuality = cms.bool(False),                 # False = just match input in order; True = pick lowest deltaR pair first
)

tauGenJetMatch = cms.EDProducer("GenJetMatcher",               # cut on deltaR, deltaPt/Pt; pick best by deltaR
    src         = cms.InputTag("shrinkingConePFTauProducer"),    # RECO jets (any View<Jet> is ok)
    matched     = cms.InputTag("tauGenJetsSelectorAllHadrons"),  # GEN jets  (must be GenJetCollection)
    mcPdgId     = cms.vint32(),                              # n/a
    mcStatus    = cms.vint32(),                              # n/a
    checkCharge = cms.bool(False),                           # n/a
    maxDeltaR   = cms.double(0.1),                           # Minimum deltaR for the match
    maxDPtRel   = cms.double(3.0),                           # Minimum deltaPt/Pt for the match
    resolveAmbiguities    = cms.bool(True),                  # Forbid two RECO objects to match to the same GEN object
    resolveByMatchQuality = cms.bool(False),                 # False = just match input in order; True = pick lowest deltaR pair first
)