GalsterELFormFactorsModel.h

Go to the documentation of this file.

//____________________________________________________________________________
/*!
 
\class    genie::GalsterELFormFactorsModel
 
\brief    Concrete implementation of the ELFormFactorsModelI interface.
          Computes elastic form factors using the Galster parameterization.
 
\ref      S.Galster et al., Nuclear Physics B32 (1971) 221-237
 
\author   Igor Kakorin <kakorin@jinr.ru>, Joint Institute for Nuclear Research
 
\created  May 19, 2019
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org
          or see $GENIE/LICENSE
*/
//____________________________________________________________________________
 
#ifndef _GALSTER_EL_FORM_FACTORS_MODEL_H_
#define _GALSTER_EL_FORM_FACTORS_MODEL_H_
 
#include "Physics/QuasiElastic/XSection/ELFormFactorsModelI.h"
 
namespace genie {
 
 
class GalsterELFormFactorsModel : public ELFormFactorsModelI {
 
public:
  GalsterELFormFactorsModel();
  GalsterELFormFactorsModel(string config);
  virtual ~GalsterELFormFactorsModel();
 
  // implement the ELFormFactorsModelI interface
  double Gep (const Interaction * interaction) const;
  double Gmp (const Interaction * interaction) const;
  double Gen (const Interaction * interaction) const;
  double Gmn (const Interaction * interaction) const;
 
  // overload Algorithm's Configure() to load the BBA2003Fit_t
  // structs from the configuration Registry
  void   Configure  (const Registry & config);
  void   Configure  (string param_set);
 
private:
 
  // fill data members from the configuration Registry
  void LoadConfig(void);
 
  // model parameters.
  double       fGenp;  ///< parameter for Gen
  double       fMv;    ///< Elactic vector mass 
  double       fMv2;   ///< Elactic vector mass 
  double       fMuP;   ///< Anomalous proton magnetic moment
  double       fMuN;   ///< Anomalous neutron magnetic moment
  
  bool fIsIsoscalarNucleon;  ///< Is assuming isoscalar nucleon?
};
 
}         // genie namespace
 
#endif    // _GALSTER_EL_FORM_FACTORS_MODEL_H_