decayaction.h

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/*
 *
 *    Copyright (c) 2015-2020
 *      SMASH Team
 *
 *    GNU General Public License (GPLv3 or later)
 *
 */
 
#ifndef SRC_INCLUDE_SMASH_DECAYACTION_H_
#define SRC_INCLUDE_SMASH_DECAYACTION_H_
 
#include <utility>
 
#include "action.h"
 
namespace smash {
 
class DecayAction : public Action {
 public:
  DecayAction(const ParticleData &p, double time);
 
  void add_decays(DecayBranchList pv);
 
  void add_decay(DecayBranchPtr p);
 
  void generate_final_state() override;
 
  std::pair<double, double> sample_masses(
      double kinetic_energy_cm) const override;
 
  double get_total_weight() const override { return total_width_; }
 
  double get_partial_weight() const override { return partial_width_; }
 
  double total_width() const { return total_width_; }
 
  class InvalidDecay : public std::invalid_argument {
    using std::invalid_argument::invalid_argument;
  };
 
 protected:
  void format_debug_output(std::ostream &out) const override;
 
  DecayBranchList decay_channels_;
 
  double total_width_;
 
  double partial_width_;
 
  int L_ = 0;
};
 
}  // namespace smash
 
#endif  // SRC_INCLUDE_SMASH_DECAYACTION_H_