include/Geant4/G4KleinNishinaCompton.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class header file
0030 //
0031 //
0032 // File name:     G4KleinNishinaCompton
0033 //
0034 // Author:        Vladimir Ivanchenko on base of Michel Maire code
0035 //
0036 // Creation date: 15.03.2005
0037 //
0038 // Modifications:
0039 // 18-04-05 Use G4ParticleChangeForGamma (V.Ivantchenko)
0040 //
0041 //
0042 // Class Description:
0043 //
0044 // Implementation of gamma Compton scatteribg on free electron
0045 //
0046
0047 // -------------------------------------------------------------------
0048 //
0049
0050 #ifndef G4KleinNishinaCompton_h
0051 #define G4KleinNishinaCompton_h 1
0052
0053 #include "G4VEmModel.hh"
0054
0055 class G4ParticleChangeForGamma;
0056
0057 class G4KleinNishinaCompton : public G4VEmModel
0058 {
0059
0060 public:
0061
0062   explicit G4KleinNishinaCompton(const G4ParticleDefinition* p = nullptr,
0063                  const G4String& nam = "Klein-Nishina");
0064
0065   ~G4KleinNishinaCompton() override;
0066
0067   void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
0068
0069   void InitialiseLocal(const G4ParticleDefinition*,
0070                G4VEmModel* masterModel) override;
0071
0072   G4double ComputeCrossSectionPerAtom(
0073                                 const G4ParticleDefinition*,
0074                                       G4double kinEnergy,
0075                                       G4double Z,
0076                                       G4double A,
0077                                       G4double cut,
0078                                       G4double emax) override;
0079
0080   void SampleSecondaries(std::vector<G4DynamicParticle*>*,
0081              const G4MaterialCutsCouple*,
0082              const G4DynamicParticle*,
0083              G4double tmin,
0084              G4double maxEnergy) override;
0085
0086   // hide assignment operator
0087   G4KleinNishinaCompton & operator=
0088   (const G4KleinNishinaCompton &right) = delete;
0089   G4KleinNishinaCompton(const  G4KleinNishinaCompton&) = delete;
0090
0091 protected:
0092
0093   G4ParticleDefinition*     theGamma;
0094   G4ParticleDefinition*     theElectron;
0095   G4ParticleChangeForGamma* fParticleChange;
0096   G4double                  lowestSecondaryEnergy;
0097 };
0098
0099 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0100
0101 #endif