EvtKKLambdaCFF.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: EvtSLPoleFF.cc
//
// Description: Routine to implement semileptonic form factors
//              according to the model SLPoles
//
// Modification history:
//
//    DJL       April 17,1998       Module created
//
//------------------------------------------------------------------------
// 
#include "EvtGenBase/EvtPatches.hh"
#include "EvtGenBase/EvtPatches.hh"
#include "EvtGenBase/EvtReport.hh"
#include "EvtGenModels/EvtKKLambdaCFF.hh"
#include <string>
#include "EvtGenBase/EvtPDL.hh"
#include <math.h>
 
EvtKKLambdaCFF::EvtKKLambdaCFF(int numarg, double *arglist) {
   _nargs = numarg;
   for (int i=0; i<numarg; i++) {
     _args[i] = arglist[i]; }
 
   return;
}
 
void EvtKKLambdaCFF::getbaryonff(EvtId parent,EvtId daught,
         double t, double mass, double *f1v,
         double *f1a, double *f2v, double *f2a ) {
  
  *f1v=(_args[0])/(1.0-(t/(_args[1]*_args[1])));
 
  *f2v=0.;
  *f2a=0.;
  *f1a=-1.0*(*f1v);
  
}