00001 import FWCore.ParameterSet.Config as cms 00002 00003 import TrackingTools.MaterialEffects.OppositeMaterialPropagator_cfi 00004 # 00005 # "backward" propagator for electrons 00006 # 00007 bwdElectronPropagator = TrackingTools.MaterialEffects.OppositeMaterialPropagator_cfi.oppositeMaterialPropagator.clone() 00008 bwdElectronPropagator.Mass = 0.000511 00009 bwdElectronPropagator.ComponentName = 'bwdElectronPropagator' 00010