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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // GEANT4 Class header file 27 // 28 // File name: G4OrePowellAtRestModel 29 // 30 // Author: I.Semeniouk & D.Bernard 31 // 32 // Creation date: 4 Juin 2024 33 // 34 // Class Description: 35 // 36 // Simple AtRest positron 3-gamma annihilation model. 37 // Electron of media is assumed to have zero kinetic energy. 38 // Ortho - Positronium three-photon annihilation by Ore and 39 // Powell, Phys. Rev. 75 (1949). 40 // Polarisation set randomly. 41 // 42 // ------------------------------------------------------------------- 43 // 44 45 #ifndef G4OrePowellAtRestModel_h 46 #define G4OrePowellAtRestModel_h 1 47 48 #include "G4VPositronAtRestModel.hh" 49 50 class G4OrePowellAtRestModel : public G4VPositronAtRestModel 51 { 52 53 public: 54 55 G4OrePowellAtRestModel(); 56 57 ~G4OrePowellAtRestModel() override = default; 58 59 void SampleSecondaries(std::vector<G4DynamicParticle*>& secParticles, 60 G4double&, const G4Material*) const override; 61 62 void PrintGeneratorInformation() const override; 63 64 G4OrePowellAtRestModel& operator= 65 (const G4OrePowellAtRestModel& right) = delete; 66 G4OrePowellAtRestModel(const G4OrePowellAtRestModel&) = delete; 67 }; 68 69 #endif 70