SpectralFunc.h

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//____________________________________________________________________________
/*!
 
\class    genie::SpectralFunc
 
\brief    A realistic spectral function - based nuclear model.
          Is a concrete implementation of the NuclearModelI interface.
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  May 07, 2004
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org
          
 
*/
//____________________________________________________________________________
 
#ifndef _SPECTRAL_FUNCTION_H_
#define _SPECTRAL_FUNCTION_H_
 
#include "Physics/NuclearState/NuclearModelI.h"
 
class TNtupleD;
class TGraph2D;
 
namespace genie {
 
class SpectralFunc : public NuclearModelI {
 
public:
  SpectralFunc();
  SpectralFunc(string config);
  virtual ~SpectralFunc();
 
  using NuclearModelI::GenerateNucleon;  // inherit versions not overridden here
  using NuclearModelI::Prob;
 
  //-- implement the NuclearModelI interface
  bool           GenerateNucleon (const Target & t) const;
  double         Prob            (double p, double w, const Target & t) const;
  NuclearModel_t ModelType       (const Target &) const 
  {
    return kNucmSpectralFunc;
  }
 
  //-- override the Algorithm::Configure methods to load configuration
  //   data to private data members
  void Configure (const Registry & config);
  void Configure (string config);
 
 protected:
  void       LoadConfig             (void);
 
private:
  
  TGraph2D * Convert2Graph          (TNtupleD & data) const;
  TGraph2D * SelectSpectralFunction (const Target & target) const; 
 
  TGraph2D * fSfFe56;   ///< Benhar's Fe56 SF
  TGraph2D * fSfC12;    ///< Benhar's C12 SF
};
 
}      // genie namespace
#endif // _SPECTRAL_FUNCTION_H_