muonMatch_cfi.py

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import FWCore.ParameterSet.Config as cms

#
# Example for a configuration of the MC match
# for muons (cuts are NOT tuned)
# (using old values from TQAF, january 2008)
#
muonMatch = cms.EDProducer("MCMatcher", # cut on deltaR, deltaPt/Pt; pick best by deltaR
    src     = cms.InputTag("muons"), # RECO objects to match  
    matched = cms.InputTag("genParticles"),   # mc-truth particle collection
    mcPdgId     = cms.vint32(13), # one or more PDG ID (13 = muon); absolute values (see below)
    checkCharge = cms.bool(True), # True = require RECO and MC objects to have the same charge
    mcStatus = cms.vint32(1),     # PYTHIA status code (1 = stable, 2 = shower, 3 = hard scattering)
    maxDeltaR = cms.double(0.5),  # Minimum deltaR for the match
    maxDPtRel = cms.double(0.5),  # 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
)