00001 import FWCore.ParameterSet.Config as cms 00002 00003 OppositeMaterialPropagator = cms.ESProducer("PropagatorWithMaterialESProducer", 00004 MaxDPhi = cms.double(1.6), 00005 ComponentName = cms.string('PropagatorWithMaterialOpposite'), 00006 Mass = cms.double(0.105), 00007 PropagationDirection = cms.string('oppositeToMomentum'), 00008 useRungeKutta = cms.bool(False), 00009 # If ptMin > 0, uncertainty in reconstructed momentum will be taken into account when estimating rms scattering angle. 00010 # (By default, it is neglected). However, it will also be assumed that the track pt can't be below specified value, 00011 # to prevent this scattering angle becoming too big. 00012 ptMin = cms.double(-1.) 00013 ) 00014 00015