Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // 27 // GEANT4 Class file 28 // 29 // 30 // File name: G4SimplePositronAtRestModel 31 // 32 // Author: Vladimir Ivanchenko 33 // 34 // Creation date: 14 May 2024 35 // 36 // ------------------------------------------- 37 // 38 39 #include "G4SimplePositronAtRestModel.hh" 40 #include "G4DynamicParticle.hh" 41 #include "G4Material.hh" 42 #include "Randomize.hh" 43 #include "G4Gamma.hh" 44 #include "G4RandomDirection.hh" 45 #include "G4ThreeVector.hh" 46 #include "G4PhysicalConstants.hh" 47 #include "G4SystemOfUnits.hh" 48 49 //....oooOO0OOooo........oooOO0OOooo........oo 50 51 G4SimplePositronAtRestModel::G4SimplePositronA 52 : G4VPositronAtRestModel("Simple") 53 {} 54 55 //....oooOO0OOooo........oooOO0OOooo........oo 56 57 void G4SimplePositronAtRestModel::SampleSecond 58 std::vector<G4DynamicParticle*>& 59 G4double&, const G4Material*) con 60 { 61 G4ThreeVector dir1 = G4RandomDirection(); 62 auto aGamma1 = new G4DynamicParticle(G4Gamma 63 CLHEP::electron_mass_c2); 64 G4double phi = CLHEP::twopi * G4UniformRand( 65 G4double cosphi = std::cos(phi); 66 G4double sinphi = std::sin(phi); 67 G4ThreeVector pol1(cosphi, sinphi, 0.0); 68 pol1.rotateUz(dir1); 69 aGamma1->SetPolarization(pol1); 70 secParticles.push_back(aGamma1); 71 72 G4ThreeVector dir2 = -dir1; 73 auto aGamma2 = new G4DynamicParticle(G4Gamma 74 CLHEP::electron_mass_c2); 75 G4ThreeVector pol2(-sinphi, cosphi, 0.0); 76 pol2.rotateUz(dir1); 77 aGamma2->SetPolarization(pol2); 78 secParticles.push_back(aGamma2); 79 } 80 81 //....oooOO0OOooo........oooOO0OOooo........oo 82 83 void G4SimplePositronAtRestModel::PrintGenerat 84 { 85 G4cout << "\n" << G4endl; 86 G4cout << "Simple AtRest positron 2-gamma an 87 } 88 89 //....oooOO0OOooo........oooOO0OOooo........oo 90