FGMBodekRitchie.h

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//____________________________________________________________________________
/*!
 
\class    genie::FGMBodekRitchie
 
\brief    The Bodek Richie Fermi Gass model. Implements the NuclearModelI 
          interface.
 
\ref      
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  October 09, 2004
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org
          
*/
//____________________________________________________________________________
 
#ifndef _FGM_BODEK_RITCHIE_H_
#define _FGM_BODEK_RITCHIE_H_
 
#include <map>
 
#include <TH1D.h>
 
#include "Physics/NuclearState/NuclearModelI.h"
 
using std::map;
 
namespace genie {
 
class FGMBodekRitchie : public NuclearModelI {
 
public:
  FGMBodekRitchie();
  FGMBodekRitchie(string config);
  virtual ~FGMBodekRitchie();
 
  using NuclearModelI::GenerateNucleon;  // inherit versions not overridden here
  using NuclearModelI::Prob;
 
  //-- implement the NuclearModelI interface
  bool           GenerateNucleon (const Target & t) const;
  double         Prob            (double mom, double w, const Target & t) const;
  NuclearModel_t ModelType       (const Target &) const 
  { 
    return kNucmFermiGas; 
  }
 
  virtual double         FermiMomentum( const Target & t, int nucleon_pdg ) const ;
 
  //-- override the Algorithm::Configure methods to load configuration
  //   data to private data members
  void Configure (const Registry & config);
  void Configure (string param_set);
 
 protected:
  void   LoadConfig (void);
  
private:
 
  TH1D * ProbDistro (const Target & t) const;
 
  mutable map<string, TH1D *> fProbDistroMap;
 
  map<int, double> fNucRmvE;
 
  double fPMax;
  double fPCutOff;
  bool fUseParametrization;
 
};
 
}         // genie namespace
#endif    // _FGM_BODEK_RITCHIE_H_