DipoleAxialFormFactorModel.h

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//____________________________________________________________________________
/*!
 
\class    genie::DipoleAxialFormFactorModel
 
\brief    Concrete implementation of the AxialFormFactorModelI interface.
          Computes the axial form factor using the dipole form factor
          approximation.
 
\author   Aaron Meyer <asmeyer2012 \at uchicago.edu>
 
          based off DipoleELFormFactorsModel by
          Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  August 16, 2013
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org
*/
//____________________________________________________________________________
 
#ifndef _DIPOLE_AXIAL_FORM_FACTOR_MODEL_H_
#define _DIPOLE_AXIAL_FORM_FACTOR_MODEL_H_
 
#include "Physics/QuasiElastic/XSection/AxialFormFactorModelI.h"
 
namespace genie {
 
class DipoleAxialFormFactorModel : public AxialFormFactorModelI {
 
public:
  DipoleAxialFormFactorModel();
  DipoleAxialFormFactorModel(string config);
  virtual ~DipoleAxialFormFactorModel();
 
  // implement the AxialFormFactorModelI interface
  double FA (const Interaction * interaction) const;
 
  // overload Algorithm's Configure()
  void   Configure  (const Registry & config);
  void   Configure  (string param_set);
 
private:
 
  void LoadConfig(void);
 
  double fMa;  ///< axial mass
  double fMa2;
  double fFA0; ///< FA(q2=0)
};
 
}         // genie namespace
 
#endif    // _DIPOLE_AXIAL_FORM_FACTOR_MODEL_H_