G4eplusTo3GammaOKVIModel.hh

Go to the documentation of this file.

//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4eplusTo3GammaOKVIModel
//
// Authors:  Andrei Alkin, Vladimir Ivanchenko, Omrame Kadri
//
// Creation date: 29.03.2018
//
//
// Class Description:
//
// Implementation of e+ annihilation into 3 gamma
 
// -------------------------------------------------------------------
//
 
#ifndef G4eplusTo3GammaOKVIModel_h
#define G4eplusTo3GammaOKVIModel_h 1
 
#include "G4VEmModel.hh"
 
class G4ParticleChangeForGamma;
 
class G4eplusTo3GammaOKVIModel : public G4VEmModel
{
 
public:
 
  explicit G4eplusTo3GammaOKVIModel(const G4ParticleDefinition* p = nullptr,
                                    const G4String& nam = "eplus3ggOKVI");
 
  virtual ~G4eplusTo3GammaOKVIModel();
 
  virtual void Initialise(const G4ParticleDefinition*, 
              const G4DataVector&) final;
 
  G4double ComputeCrossSectionPerElectron(G4double kinEnergy);
 
 
  
  virtual G4double ComputeCrossSectionPerAtom(
                                const G4ParticleDefinition*,
                                      G4double kinEnergy, 
                                      G4double Z, 
                                      G4double A = 0., 
                                      G4double cutEnergy = 0.,
                                      G4double maxEnergy = DBL_MAX) final;
 
  virtual G4double CrossSectionPerVolume(const G4Material*,
                     const G4ParticleDefinition*,
                     G4double kineticEnergy,
                     G4double cutEnergy = 0.0,
                     G4double maxEnergy = DBL_MAX) final;
 
  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
                 const G4MaterialCutsCouple*,
                 const G4DynamicParticle*,
                 G4double tmin = 0.0,
                 G4double maxEnergy = DBL_MAX) final;
 
  G4double ComputeF(G4double fr1, G4double fr2, G4double fr3, G4double kinEnergy);
 
  G4double ComputeF0(G4double fr1, G4double fr2, G4double fr3);
 
  G4double ComputeFS(G4double fr1, G4double fr2, G4double fr3, G4double kinEnergy);
 
  inline void SetDelta(G4double val) { if(val > 0.0) { fDelta = val; } };
  
private:
 
  // hide assignment operator
  G4eplusTo3GammaOKVIModel & operator=
  (const  G4eplusTo3GammaOKVIModel &right) = delete;
  G4eplusTo3GammaOKVIModel(const  G4eplusTo3GammaOKVIModel&) = delete;
 
  G4double fDelta;
  const G4ParticleDefinition*  theGamma;
  G4ParticleChangeForGamma* fParticleChange;
};
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
 
#endif