EvtKKLambdaC.cc

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//--------------------------------------------------------------------------
//
// Environment:
//      This software is part of the EvtGen package developed jointly
//      for the BaBar and CLEO collaborations.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
//      Copyright (C) 1998      Caltech, UCSB
//
// Module: EvtSLPole.cc
//
// Description: Routine to implement semileptonic decays according
//              to light cone sum rules
//
// Modification history:
//
//    DJL       April 23, 1998       Module created
//
//------------------------------------------------------------------------
// 
#include "EvtGenBase/EvtPatches.hh"
#include <stdlib.h>
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtGenKine.hh"
#include "EvtGenBase/EvtPDL.hh"
#include "EvtGenBase/EvtReport.hh"
#include "EvtGenModels/EvtKKLambdaC.hh"
#include "EvtGenModels/EvtKKLambdaCFF.hh"
#include "EvtGenBase/EvtSemiLeptonicBaryonAmp.hh"
#include <string>
 
EvtKKLambdaC::~EvtKKLambdaC() {}
 
void EvtKKLambdaC::getName(std::string& model_name){
 
  model_name="KK_LAMBDAC_SL";     
 
}
 
 
EvtDecayBase* EvtKKLambdaC::clone(){
 
  return new EvtKKLambdaC;
 
}
 
void EvtKKLambdaC::decay( EvtParticle *p ){
 
  p->initializePhaseSpace(getNDaug(),getDaugs());
 
  _calcamp->CalcAmp(p,_amp2,_ffmodel);
  return;
}
 
void EvtKKLambdaC::initProbMax(){
 
EvtId parnum,mesnum,lnum,nunum;
 
parnum = getParentId();
mesnum = getDaug(0);
lnum = getDaug(1);
nunum = getDaug(2);
 
//double mymaxprob = _calcamp->CalcMaxProb(parnum,mesnum,
//                           lnum,nunum,_ffmodel);
 double mymaxprob=100.; 
setProbMax(mymaxprob);
 
}
 
 
void EvtKKLambdaC::init(){
  
  checkNDaug(3);
 
  //We expect the parent to be a dirac
  //and the daughters to be dirac lepton neutrino
 
  checkSpinParent(EvtSpinType::DIRAC);
  checkSpinDaughter(0,EvtSpinType::DIRAC);
  checkSpinDaughter(1,EvtSpinType::DIRAC);
  checkSpinDaughter(2,EvtSpinType::NEUTRINO);
 
  _ffmodel = new EvtKKLambdaCFF(getNArg(),getArgs());
 
  _calcamp = new EvtSemiLeptonicBaryonAmp; 
  
}