RosenbluthPXSec.h

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//____________________________________________________________________________
/*!
 
\class    genie::RosenbluthPXSec
 
\brief    Differential cross section for charged lepton elastic scattering. \n
          Is a concrete implementation of the XSecAlgorithmI interface. \n
 
\ref      See for example:
          R.Bradford, A.Bodek, H.Budd, J.Arrington, Nucl.Phys.B159 (2006) 127
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  Sep 15, 2009
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org          
*/
//____________________________________________________________________________
 
#ifndef _ROSENBLUTH_CROSS_SECTION_H_
#define _ROSENBLUTH_CROSS_SECTION_H_
 
#include "Framework/EventGen/XSecAlgorithmI.h"
#include "Physics/QuasiElastic/XSection/ELFormFactors.h"
 
namespace genie {
 
class XSecIntegratorI;
 
class RosenbluthPXSec : public XSecAlgorithmI {
 
public:
  RosenbluthPXSec();
  RosenbluthPXSec(string config);
  virtual ~RosenbluthPXSec();
 
  // XSecAlgorithmI interface implementation
  double XSec         (const Interaction * i, KinePhaseSpace_t k) const;
  double Integral     (const Interaction * i) const;
  bool   ValidProcess (const Interaction * i) const;
 
  // override the Algorithm::Configure methods to load configuration
  // data to private data members
  void Configure (const Registry & config);
  void Configure (string param_set);
 
private:
 
  void LoadConfig(void);
 
  const   XSecIntegratorI *     fXSecIntegrator;
  const   ELFormFactorsModelI * fElFFModel;
  mutable ELFormFactors         fELFF;
  bool fCleanUpfElFFModel;
  double fXSecEMScale;
 
};
 
}       // genie namespace
 
#endif