GammaStrengthFunctionModel.hh

//
// This file is part of MARLEY (Model of Argon Reaction Low Energy Yields)
//
// MARLEY is free software: you can redistribute it and/or modify it under the
// terms of version 3 of the GNU General Public License as published by the
// Free Software Foundation.
//
// For the full text of the license please see COPYING or
// visit http://opensource.org/licenses/GPL-3.0
//
// Please respect the MCnet academic usage guidelines. See GUIDELINES
// or visit https://www.montecarlonet.org/GUIDELINES for details.
 
#pragma once
 
namespace marley {
 
  class Level;
  class Parity;

  class GammaStrengthFunctionModel {
 
    public:

      GammaStrengthFunctionModel(int Z, int A);
 
      virtual ~GammaStrengthFunctionModel() = default;

      enum class TransitionType { electric, magnetic, unphysical };

      virtual double strength_function(TransitionType type, int l,
        double e_gamma) = 0;

      virtual double transmission_coefficient(TransitionType type, int l,
        double e_gamma) = 0;
 
    protected:

      static void check_multipolarity(int l);
 
      int Z_; 
      int A_; 
  };
 
}