EngelFormFactor.h

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//____________________________________________________________________________
/*!
 
  \class    genie::EngelFormFactor
 
  \brief    Form Factor for BertuzzoDNuCOHXSec...
 
  \ref      J. Engel
            Phys.Lett. B264, 114 (1991)
 
  \author   Iker de Icaza <i.de-icaza-astiz \at sussex.ac.uk>
            University of Sussex
 
            Costas Andreopoulos <c.andreopoulos \at cern.ch>
            University of Liverpool
 
  \created  June 12, 2020
 
  \cpright  Copyright (c) 2003-2025, The GENIE Collaboration
            For the full text of the license visit http://copyright.genie-mc.org
 
*/
//____________________________________________________________________________
 
#ifndef _ENGEL_FORM_FACTOR_H_
#define _ENGEL_FORM_FACTOR_H_
 
#include "Framework/Algorithm/Algorithm.h"
#include "Framework/Interaction/Target.h"
 
namespace genie {
 
class EngelFormFactor : public Algorithm {
 
public:
  EngelFormFactor();
  EngelFormFactor(string config);
  virtual ~EngelFormFactor();
 
  double FormFactor(const double Q, const Target & target) const ;
  // The Q has to be in GeV
  // The returned FF is in natural units
 
  //-- 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);
 
};
 
} // genie namespace
#endif  // _ENGEL_FORM_FACTOR_H_