| da0e9ce3 |
1 | //-------------------------------------------------------------------------- |
| 2 | // |
| 3 | // Environment: |
| 4 | // This software is part of the EvtGen package developed jointly |
| 5 | // for the BaBar and CLEO collaborations. If you use all or part |
| 6 | // of it, please give an appropriate acknowledgement. |
| 7 | // |
| 8 | // Copyright Information: See EvtGen/COPYRIGHT |
| 9 | // Copyright (C) 1998 Caltech, UCSB |
| 10 | // |
| 11 | // Module: EvtSLBKPole.cc |
| 12 | // |
| 13 | // Description: Routine to implement semileptonic decays according |
| 14 | // to light cone sum rules |
| 15 | // |
| 16 | // Modification history: |
| 17 | // |
| 18 | // liheng October 20, 2005 Module created |
| 19 | // |
| 20 | //------------------------------------------------------------------------ |
| 21 | // |
| 22 | #include <stdlib.h> |
| 23 | #include "EvtGenBase/EvtParticle.hh" |
| 24 | #include "EvtGenBase/EvtGenKine.hh" |
| 25 | #include "EvtGenBase/EvtPDL.hh" |
| 26 | #include "EvtGenBase/EvtReport.hh" |
| 27 | #include "EvtGenModels/EvtSLBKPole.hh"//modified |
| 28 | #include "EvtGenModels/EvtSLBKPoleFF.hh"//modified |
| 29 | #include "EvtGenBase/EvtSemiLeptonicScalarAmp.hh" |
| 30 | #include "EvtGenBase/EvtSemiLeptonicVectorAmp.hh" |
| 31 | #include "EvtGenBase/EvtSemiLeptonicTensorAmp.hh" |
| 32 | #include <string> |
| 33 | |
| 34 | EvtSLBKPole::~EvtSLBKPole() {} |
| 35 | |
| 36 | std::string EvtSLBKPole::getName(){ |
| 37 | |
| 38 | return "SLBKPOLE";//modified |
| 39 | |
| 40 | } |
| 41 | |
| 42 | |
| 43 | EvtDecayBase* EvtSLBKPole::clone(){//modified |
| 44 | |
| 45 | return new EvtSLBKPole; |
| 46 | |
| 47 | } |
| 48 | |
| 49 | void EvtSLBKPole::decay( EvtParticle *p ){//modified |
| 50 | |
| 51 | p->initializePhaseSpace(getNDaug(),getDaugs()); |
| 52 | |
| 53 | calcamp->CalcAmp(p,_amp2,SLBKPoleffmodel);//modified |
| 54 | return; |
| 55 | } |
| 56 | |
| 57 | void EvtSLBKPole::initProbMax(){ |
| 58 | |
| 59 | EvtId parnum,mesnum,lnum,nunum; |
| 60 | |
| 61 | parnum = getParentId(); |
| 62 | mesnum = getDaug(0); |
| 63 | lnum = getDaug(1); |
| 64 | nunum = getDaug(2); |
| 65 | |
| 66 | double mymaxprob = calcamp->CalcMaxProb(parnum,mesnum, |
| 67 | lnum,nunum,SLBKPoleffmodel);//modified |
| 68 | |
| 69 | setProbMax(mymaxprob); |
| 70 | |
| 71 | } |
| 72 | |
| 73 | |
| 74 | void EvtSLBKPole::init(){//modified |
| 75 | |
| 76 | checkNDaug(3); |
| 77 | |
| 78 | //We expect the parent to be a scalar |
| 79 | //and the daughters to be X lepton neutrino |
| 80 | |
| 81 | checkSpinParent(EvtSpinType::SCALAR); |
| 82 | checkSpinDaughter(1,EvtSpinType::DIRAC); |
| 83 | checkSpinDaughter(2,EvtSpinType::NEUTRINO); |
| 84 | |
| 85 | EvtSpinType::spintype mesontype=EvtPDL::getSpinType(getDaug(0)); |
| 86 | |
| 87 | SLBKPoleffmodel = new EvtSLBKPoleFF(getNArg(),getArgs());//modified |
| 88 | |
| 89 | if ( mesontype==EvtSpinType::SCALAR ) { |
| 90 | calcamp = new EvtSemiLeptonicScalarAmp; |
| 91 | } |
| 92 | if ( mesontype==EvtSpinType::VECTOR ) { |
| 93 | calcamp = new EvtSemiLeptonicVectorAmp; |
| 94 | } |
| 95 | if ( mesontype==EvtSpinType::TENSOR ) { |
| 96 | calcamp = new EvtSemiLeptonicTensorAmp; |
| 97 | } |
| 98 | |
| 99 | } |
| 100 | |
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