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 // ------------------------------------------- 28 // 29 // GEANT4 Class file 30 // 31 // 32 // File name: G4hNuclearStoppingModel 33 // 34 // Author: V.Ivanchenko (Vladimir.Ivanc 35 // 36 // Creation date: 20 July 2000 37 // 38 // Modifications: 39 // 20/07/2000 V.Ivanchenko First implementati 40 // 22/08/2000 V.Ivanchenko Bug fixed in call 41 // 03/10/2000 V.Ivanchenko CodeWizard clean u 42 // 43 // Class Description: 44 // 45 // Low energy protons/ions nuclear stopping pa 46 // 47 // Class Description: End 48 // 49 // ------------------------------------------- 50 // 51 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oo 53 54 #include "G4hNuclearStoppingModel.hh" 55 56 #include "globals.hh" 57 #include "G4PhysicalConstants.hh" 58 #include "G4SystemOfUnits.hh" 59 #include "G4UnitsTable.hh" 60 #include "G4hZiegler1985Nuclear.hh" 61 #include "G4hICRU49Nuclear.hh" 62 #include "G4DynamicParticle.hh" 63 #include "G4ParticleDefinition.hh" 64 #include "G4ElementVector.hh" 65 #include "G4Material.hh" 66 67 //....oooOO0OOooo........oooOO0OOooo........oo 68 69 G4hNuclearStoppingModel::G4hNuclearStoppingMod 70 :G4VLowEnergyModel(name), modelName(name) 71 { 72 InitializeMe() ; 73 } 74 75 //....oooOO0OOooo........oooOO0OOooo........oo 76 77 void G4hNuclearStoppingModel::InitializeMe() 78 { 79 // Constants 80 highEnergyLimit = 100.*MeV ; 81 lowEnergyLimit = 1.*eV ; 82 factorPDG2AMU = 1.007276/proton_mass_c2 ; 83 theZieglerFactor= eV*cm2*1.0e-15 ; 84 85 // Registration of parametrisation models of 86 G4String blank = G4String(" ") ; 87 G4String ir49 = G4String("ICRU_R49") ; 88 G4String zi85 = G4String("Ziegler1985") ; 89 if(ir49 == modelName || blank == modelName) 90 nStopingPowerTable = new G4hICRU49Nuclea 91 92 } else if(zi85 == modelName) { 93 nStopingPowerTable = new G4hZiegler1985N 94 95 } else { 96 G4cout << 97 "G4hLowEnergyIonisation warning: There is 98 << modelName << ">" 99 << " for nuclear stopping, <ICRU_R49> is 100 << G4endl; 101 nStopingPowerTable = new G4hICRU49Nuclear( 102 } 103 104 // Default is nuclear stopping fluctuations 105 // nStopingPowerTable->SetNuclearStoppingFl 106 nStopingPowerTable->SetNuclearStoppingFluctu 107 } 108 109 //....oooOO0OOooo........oooOO0OOooo........oo 110 111 G4hNuclearStoppingModel::~G4hNuclearStoppingMo 112 { 113 delete nStopingPowerTable; 114 } 115 116 //....oooOO0OOooo........oooOO0OOooo........oo 117 118 G4double G4hNuclearStoppingModel::TheValue( 119 const G4DynamicParti 120 const G4Material* material 121 { 122 // Projectile nucleus 123 G4double energy = particle->GetKineticEnergy 124 G4double z1 = std::abs((particle->GetCharge( 125 G4double m1 = (particle->GetMass())*factorPD 126 127 G4double nloss = StoppingPower(material, ene 128 129 return nloss; 130 } 131 132 //....oooOO0OOooo........oooOO0OOooo........oo 133 134 G4double G4hNuclearStoppingModel::TheValue( 135 const G4ParticleDefi 136 const G4Material* material, 137 G4double kinet 138 { 139 // Projectile nucleus 140 G4double z1 = std::abs((aParticle->GetPDGCha 141 G4double m1 = (aParticle->GetPDGMass())*fact 142 143 G4double nloss = StoppingPower(material, kin 144 * theZieglerFactor; 145 146 return nloss; 147 } 148 149 //....oooOO0OOooo........oooOO0OOooo........oo 150 151 G4double G4hNuclearStoppingModel::StoppingPowe 152 const G4Material* ma 153 G4double kinet 154 G4double z1, G 155 { 156 // Target nucleus 157 std::size_t NumberOfElements = material->Get 158 if(0 == NumberOfElements) return 0.0 ; 159 160 const G4ElementVector* theElementVector = 161 material->Get 162 const G4double* theAtomicNumDensityVector = 163 material->Get 164 165 // loop for the elements in the material 166 167 G4double nloss = 0.0; 168 169 for (std::size_t iel=0; iel<NumberOfElements 170 const G4Element* element = (*theElementVec 171 G4double z2 = element->GetZ(); 172 G4double m2Local = element->GetA()*mole/g 173 nloss += (nStopingPowerTable-> 174 NuclearStoppingPower(kineticEner 175 * theAtomicNumDensityVector[iel] ; 176 } 177 178 return nloss; 179 } 180 181 //....oooOO0OOooo........oooOO0OOooo........oo 182