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 "EvtKKLambdaCFF.hh"
#include "../EvtGenBase/EvtPDL.hh"
#include "../EvtGenBase/EvtPatches.hh"
#include "../EvtGenBase/EvtReport.hh"
#include <math.h>
#include <string>
 
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 );
}