TkClusParameters_cff.py

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import FWCore.ParameterSet.Config as cms

DA2DParameters = cms.PSet(
    algorithm   = cms.string("DA2D"),
    TkDAClusParameters = cms.PSet(
        coolingFactor = cms.double(0.6),  #  moderate annealing speed
        Tmin = cms.double(4.),            #  end of annealing
        vertexSize = cms.double(0.01),    #  ~ resolution / sqrt(Tmin)
        d0CutOff = cms.double(3.),        # downweight high IP tracks 
        dzCutOff = cms.double(4.)         # outlier rejection after freeze-out (T<Tmin)
        )
)

DA_vectParameters = cms.PSet(
    algorithm   = cms.string("DA_vect"),
    TkDAClusParameters = cms.PSet(
        coolingFactor = cms.double(0.6),  # moderate annealing speed
        Tmin = cms.double(2.0),           # end of vertex splitting
        Tpurge = cms.double(2.0),         # cleaning 
        Tstop = cms.double(0.5),          # end of annealing 
        vertexSize = cms.double(0.006),   # added in quadrature to track-z resolutions
        d0CutOff = cms.double(3.),        # downweight high IP tracks 
        dzCutOff = cms.double(3.),        # outlier rejection after freeze-out (T<Tmin)
        zmerge = cms.double(1e-2),        # merge intermediat clusters separated by less than zmerge
        uniquetrkweight = cms.double(0.8) # require at least two tracks with this weight at T=Tpurge
        )
)