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 #include "G4LENDCombinedCrossSection.hh" 27 #include "G4LENDElasticCrossSection.hh" 28 #include "G4LENDInelasticCrossSection.hh" 29 #include "G4LENDCaptureCrossSection.hh" 30 #include "G4LENDFissionCrossSection.hh" 31 #include "Randomize.hh" 32 33 34 G4LENDCombinedCrossSection::G4LENDCombinedCros 35 :G4LENDCrossSection("LENDCombinedCrossSection" 36 { 37 proj = pd; 38 elasticXS = new G4LENDElasticCrossSection( 39 inelasticXS = new G4LENDInelasticCrossSecti 40 captureXS = new G4LENDCaptureCrossSection( 41 fissionXS = new G4LENDFissionCrossSection( 42 } 43 44 void G4LENDCombinedCrossSection::BuildPhysicsT 45 { 46 elasticXS->BuildPhysicsTable( pd ); 47 inelasticXS->BuildPhysicsTable( pd ); 48 captureXS->BuildPhysicsTable( pd ); 49 fissionXS->BuildPhysicsTable( pd ); 50 create_used_target_map(); 51 } 52 53 G4double G4LENDCombinedCrossSection::GetIsoCro 54 const G4Isotope* 55 { 56 G4double XS = 0.0; 57 XS += elasticXS->GetIsoCrossSection( dp, iZ 58 XS += inelasticXS->GetIsoCrossSection( dp, 59 XS += captureXS->GetIsoCrossSection( dp, iZ 60 XS += fissionXS->GetIsoCrossSection( dp, iZ 61 //G4cout << "G4LENDCombinedCrossSection::Ge 62 return XS; 63 } 64 65 G4int G4LENDCombinedCrossSection::SelectChanne 66 const G4Isotope* 67 { 68 G4int ichannel = 3; 69 G4double XSs[4]; 70 XSs[0] = elasticXS->GetIsoCrossSection( dp, 71 XSs[1] = XSs[0] + inelasticXS->GetIsoCrossS 72 XSs[2] = XSs[1] + captureXS->GetIsoCrossSec 73 XSs[3] = XSs[2] + fissionXS->GetIsoCrossSec 74 75 G4double total = XSs[3]; 76 77 G4double random = G4UniformRand(); 78 for (G4int i = 0 ; i < 4 ; i++) { 79 if (random*total < XSs[i]) { 80 ichannel = i; 81 break; 82 } 83 } 84 85 return ichannel; 86 } 87