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RungeKuttaTrackerPropagatorOpposite_cfi.py
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1 import FWCore.ParameterSet.Config as cms
2 
3 RungeKuttaTrackerPropagatorOpposite = cms.ESProducer("PropagatorWithMaterialESProducer",
4  SimpleMagneticField = cms.string(""),
5  MaxDPhi = cms.double(1.6),
6  ComponentName = cms.string('RungeKuttaTrackerPropagatorOpposite'),
7  Mass = cms.double(0.105),
8  PropagationDirection = cms.string('oppositeToMomentum'),
9  useRungeKutta = cms.bool(True),
10 # If ptMin > 0, uncertainty in reconstructed momentum will be taken into account when estimating rms scattering angle.
11 # (By default, it is neglected). However, it will also be assumed that the track pt can't be below specified value,
12 # to prevent this scattering angle becoming too big.
13  ptMin = cms.double(-1.)
14 )
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