RSHelicityAmplModelI.h

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//____________________________________________________________________________
/*!
\class    genie::RSHelicityAmplModelI

\brief    Pure abstract base class. Defines the RSHelicityAmplModelI interface.

\author   Costas Andreopoulos <constantinos.andreopoulos \at cern.ch>
          University of Liverpool & STFC Rutherford Appleton Laboratory

\created  July 10, 2004

\cpright  Copyright (c) 2003-2020, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org          
*/
//____________________________________________________________________________

#ifndef _REIN_SEHGAL_HELICITY_AMPL_MODEL_I_H_
#define _REIN_SEHGAL_HELICITY_AMPL_MODEL_I_H_

#include "Framework/Algorithm/Algorithm.h"
#include "Framework/ParticleData/BaryonResonance.h"
#include "Physics/Resonance/XSection/FKR.h"
#include "Physics/Resonance/XSection/RSHelicityAmpl.h"

namespace genie {

class RSHelicityAmplModelI : public Algorithm
{
public:
  virtual ~RSHelicityAmplModelI();

  // define the RSHelicityAmplModelI interface
  virtual const RSHelicityAmpl & Compute(Resonance_t res, const FKR & fkr) const = 0;

protected:
  RSHelicityAmplModelI();
  RSHelicityAmplModelI(string name);
  RSHelicityAmplModelI(string name, string config);
};

}        // namespace

#endif   // _REIN_SEHGAL_HELICITY_AMPL_MODEL_I_H_