Line data    Source code

       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             : // Module: EvtBtoXsgammaKagan.cc
       9             : //
      10             : // Description:
      11             : //       Routine to perform two-body B->Xs,gamma decays with a fixed hadronic 
      12             : //       mass. For spectrum measurements.
      13             : //       The input parameters are 1: the hadronic mass
      14             : 
      15             : // Modification history:
      16             : //
      17             : //      Jim Libby October 11 2002
      18             : //------------------------------------------------------------------------
      19             : //
      20             : 
      21             : #include "EvtGenBase/EvtPatches.hh"
      22             : #include <stdlib.h>
      23             : #include "EvtGenModels/EvtBtoXsgamma.hh"
      24             : #include "EvtGenModels/EvtBtoXsgammaFixedMass.hh"
      25             : #include "EvtGenBase/EvtReport.hh"
      26             : #include <fstream>
      27             : using std::endl;
      28             : using std::fstream;
      29             : 
      30           0 : EvtBtoXsgammaFixedMass::~EvtBtoXsgammaFixedMass(){
      31           0 : }
      32             : 
      33             : void EvtBtoXsgammaFixedMass::init(int nArg, double* args){
      34             : 
      35           0 :   if ((nArg) > 2 || (nArg > 1 && nArg <2)){
      36             :   
      37           0 :   report(Severity::Error,"EvtGen") << "EvtBtoXsgamma generator model "
      38           0 :                          << "EvtBtoXsgammaFixedMass expected " 
      39           0 :                          << "either 1(default config) or two arguments but found: "<<nArg<<endl;
      40           0 :   report(Severity::Error,"EvtGen") << "Will terminate execution!"<<endl;
      41           0 :     ::abort();  
      42             :   }
      43             :   
      44           0 :   if(nArg == 1){
      45           0 :     _mH = 2.0;
      46           0 :   }else{
      47           0 :     _mH=args[1];
      48             :   }
      49           0 : }
      50             : 
      51             : double EvtBtoXsgammaFixedMass::GetMass( int /*Xscode*/ ){
      52           0 :   return _mH;
      53             : }
      54             :