cms.ESProducer("PropagatorWithMaterialESProducer",    ComponentName = cms.string('PropagatorWithMaterialForLoopers'),    Mass = cms.double(0.1396),    MaxDPhi = cms.double(4.0),    PropagationDirection = cms.string('alongMomentum'),    SimpleMagneticField = cms.string(''),    ptMin = cms.double(-1),    useOldAnalPropLogic = cms.bool(False),    useRungeKutta = cms.bool(False))