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<< 57 BoxSize = 1*mm; 58 DefineMaterials(); 58 DefineMaterials(); 59 SetMaterial("Germanium"); << 59 SetMaterial("Germanium"); 60 fDetectorMessenger = new DetectorMessenger(t << 60 detectorMessenger = new DetectorMessenger(this); 61 } 61 } 62 62 63 //....oooOO0OOooo........oooOO0OOooo........oo 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 64 64 65 DetectorConstruction::~DetectorConstruction() 65 DetectorConstruction::~DetectorConstruction() >> 66 { delete detectorMessenger;} >> 67 >> 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... >> 69 >> 70 G4VPhysicalVolume* DetectorConstruction::Construct() 66 { 71 { 67 delete fDetectorMessenger; << 72 return ConstructVolumes(); 68 } 73 } 69 74 70 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 71 76 72 void DetectorConstruction::DefineMaterials() 77 void DetectorConstruction::DefineMaterials() 73 { 78 { 74 // 79 // 75 // define Elements 80 // define Elements 76 // 81 // 77 G4double z, a; << 82 G4double z,a; 78 << 83 79 G4Element* H = new G4Element("Hydrogen", "H" << 84 G4Element* H = new G4Element("Hydrogen" ,"H" , z= 1., a= 1.01*g/mole); 80 G4Element* C = new G4Element("Carbon", "C", << 85 G4Element* N = new G4Element("Nitrogen" ,"N" , z= 7., a= 14.01*g/mole); 81 G4Element* N = new G4Element("Nitrogen", "N" << 86 G4Element* O = new G4Element("Oxygen" ,"O" , z= 8., a= 16.00*g/mole); 82 G4Element* O = new G4Element("Oxygen", "O", << 87 G4Element* Ge = new G4Element("Germanium","Ge", z=32., a= 72.59*g/mole); 83 G4Element* Ge = new G4Element("Germanium", " << 88 G4Element* Bi = new G4Element("Bismuth" ,"Bi", z=83., a= 208.98*g/mole); 84 G4Element* Pb = new G4Element("Lead", "Pb", << 89 85 G4Element* Bi = new G4Element("Bismuth", "Bi << 86 << 87 // 90 // 88 // define materials 91 // define materials 89 // 92 // 90 G4double density; 93 G4double density; 91 G4int ncomponents, natoms; 94 G4int ncomponents, natoms; 92 G4double fractionmass; << 95 G4double fractionmass; >> 96 >> 97 G4Material* Air = >> 98 new G4Material("Air", density= 1.290*mg/cm3, ncomponents=2); >> 99 Air->AddElement(N, fractionmass=70.*perCent); >> 100 Air->AddElement(O, fractionmass=30.*perCent); >> 101 >> 102 G4Material* H2l = >> 103 new G4Material("H2liquid", density= 70.8*mg/cm3, ncomponents=1); >> 104 H2l->AddElement(H, fractionmass=1.); >> 105 >> 106 G4Material* H2O = >> 107 new G4Material("Water", density= 1.000*g/cm3, ncomponents=2); >> 108 H2O->AddElement(H, natoms=2); >> 109 H2O->AddElement(O, natoms=1); >> 110 ///H2O->SetChemicalFormula("H_2O"); >> 111 H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV); >> 112 >> 113 G4Material* steam = >> 114 new G4Material("WaterSteam", density= 1.0*mg/cm3, ncomponents=1); >> 115 steam->AddMaterial(H2O, fractionmass=1.); >> 116 steam->GetIonisation()->SetMeanExcitationEnergy(71.6*eV); >> 117 >> 118 G4Material* BGO = >> 119 new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3); >> 120 BGO->AddElement(O , natoms=12); >> 121 BGO->AddElement(Ge, natoms= 3); >> 122 BGO->AddElement(Bi, natoms= 4); >> 123 >> 124 new G4Material("Aluminium" , z=13., a= 26.98*g/mole, density= 2.700*g/cm3); >> 125 new G4Material("Silicon" , z=14., a= 28.09*g/mole, density= 2.330*g/cm3); >> 126 new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3); >> 127 new G4Material("Iron" , z=26., a= 55.85*g/mole, density= 7.870*g/cm3); >> 128 new G4Material("Copper" , z=29., a= 63.55*g/mole, density= 8.960*g/cm3); >> 129 new G4Material("Germanium" , z=32., a= 72.61*g/mole, density= 5.323*g/cm3); >> 130 new G4Material("Silver" , z=47., a=107.87*g/mole, density= 10.50*g/cm3); >> 131 new G4Material("Tungsten" , z=74., a=183.85*g/mole, density= 19.30*g/cm3); >> 132 new G4Material("Lead" , z=82., a=207.19*g/mole, density= 11.35*g/cm3); >> 133 new G4Material("Uranium" , z=92., a=238.03*g/mole, density= 18.95*g/cm3); >> 134 93 135 94 G4Material* Air = new G4Material("Air", dens << 136 G4cout << *(G4Material::GetMaterialTable()) << G4endl; 95 Air->AddElement(N, fractionmass = 70. * perC << 96 Air->AddElement(O, fractionmass = 30. * perC << 97 << 98 G4Material* H2l = new G4Material("H2liquid", << 99 H2l->AddElement(H, fractionmass = 1.); << 100 << 101 G4Material* H2O = new G4Material("Water", de << 102 H2O->AddElement(H, natoms = 2); << 103 H2O->AddElement(O, natoms = 1); << 104 /// H2O->SetChemicalFormula("H_2O"); << 105 H2O->GetIonisation()->SetMeanExcitationEnerg << 106 << 107 G4Material* steam = new G4Material("WaterSte << 108 steam->AddMaterial(H2O, fractionmass = 1.); << 109 steam->GetIonisation()->SetMeanExcitationEne << 110 << 111 G4Material* BGO = new G4Material("BGO", dens << 112 BGO->AddElement(O, natoms = 12); << 113 BGO->AddElement(Ge, natoms = 3); << 114 BGO->AddElement(Bi, natoms = 4); << 115 << 116 new G4Material("Aluminium", z = 13., a = 26. << 117 new G4Material("Silicon", z = 14., a = 28.09 << 118 new G4Material("liquidArgon", z = 18., a = 3 << 119 new G4Material("Iron", z = 26., a = 55.85 * << 120 new G4Material("Copper", z = 29., a = 63.55 << 121 new G4Material("Germanium", z = 32., a = 72. << 122 new G4Material("Silver", z = 47., a = 107.87 << 123 new G4Material("Tungsten", z = 74., a = 183. << 124 new G4Material("Lead", z = 82., a = 207.19 * << 125 new G4Material("Uranium", z = 92., a = 238.0 << 126 << 127 G4Material* ams = new G4Material("ams", dens << 128 ams->AddElement(Pb, fractionmass = 94.81 * p << 129 ams->AddElement(C, fractionmass = 4.79 * per << 130 ams->AddElement(H, fractionmass = 0.40 * per << 131 << 132 G4Material* argonGas = << 133 new G4Material("ArgonGas", z = 18, a = 39. << 134 273.15 * kelvin, 1 * atmosp << 135 << 136 G4Material* butane = new G4Material("Isobuta << 137 kStateGa << 138 butane->AddElement(C, natoms = 4); << 139 butane->AddElement(H, natoms = 10); << 140 << 141 G4Material* ArButane = new G4Material("Argon << 142 kState << 143 ArButane->AddMaterial(argonGas, fractionmass << 144 ArButane->AddMaterial(butane, fractionmass = << 145 << 146 /// exercise: Xenon gas << 147 // << 148 G4Element* Xe = new G4Element("Xenon", "Xe", << 149 << 150 // XenonGas0 (NTP) << 151 G4double temperature0 = 293.15 * kelvin; << 152 G4double pressure0 = 1 * atmosphere; << 153 G4double density0 = 2.953 * mg / cm3; << 154 G4Material* matXe0 = << 155 new G4Material("XenonGas0", density0, ncom << 156 matXe0->AddElement(Xe, natoms = 1); << 157 << 158 // XenonGas1 << 159 G4double temperature1 = 293.15 * kelvin; << 160 G4double pressure1 = 50 * atmosphere; << 161 G4double density1 = density0 * (pressure1 / << 162 G4Material* matXe1 = << 163 new G4Material("XenonGas1", density1, ncom << 164 matXe1->AddElement(Xe, natoms = 1); << 165 << 166 ////G4cout << *(G4Material::GetMaterialTable << 167 } 137 } 168 138 169 //....oooOO0OOooo........oooOO0OOooo........oo 139 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 170 140 171 G4VPhysicalVolume* DetectorConstruction::Const << 141 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes() 172 { 142 { 173 // the geometry is created once << 143 // Cleanup old geometry 174 if (fBox) { << 144 G4GeometryManager::GetInstance()->OpenGeometry(); 175 return fBox; << 145 G4PhysicalVolumeStore::GetInstance()->Clean(); 176 } << 146 G4LogicalVolumeStore::GetInstance()->Clean(); 177 << 147 G4SolidStore::GetInstance()->Clean(); 178 G4Box* sBox = new G4Box("Container", // its << 148 179 fBoxSize / 2, fBoxSi << 149 G4Box* 180 << 150 sBox = new G4Box("Container", //its name 181 G4LogicalVolume* lBox = new G4LogicalVolume( << 151 BoxSize/2,BoxSize/2,BoxSize/2); //its dimensions 182 << 152 183 << 153 G4LogicalVolume* 184 << 154 lBox = new G4LogicalVolume(sBox, //its shape 185 fBox = new G4PVPlacement(0, // no rotation << 155 aMaterial, //its material 186 G4ThreeVector(0., 0 << 156 aMaterial->GetName()); //its name 187 lBox, // its logic << 157 188 fMaterial->GetName( << 158 pBox = new G4PVPlacement(0, //no rotation 189 0, // its mother << 159 G4ThreeVector(), //at (0,0,0) 190 false, // no boole << 160 lBox, //its logical volume 191 0); // copy number << 161 aMaterial->GetName(), //its name 192 << 162 0, //its mother volume 193 // always return the root volume << 163 false, //no boolean operation >> 164 0); //copy number >> 165 >> 166 //always return the root volume 194 // 167 // 195 return fBox; << 168 return pBox; 196 } 169 } 197 170 198 //....oooOO0OOooo........oooOO0OOooo........oo 171 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 199 172 200 void DetectorConstruction::PrintParameters() c << 173 void DetectorConstruction::PrintParameters() 201 { 174 { 202 G4cout << "\n The Box is " << G4BestUnit(fBo << 175 G4cout << "\n The Box is " << G4BestUnit(BoxSize,"Length") 203 << G4endl; << 176 << " of " << aMaterial->GetName() << G4endl; 204 } 177 } 205 178 206 //....oooOO0OOooo........oooOO0OOooo........oo 179 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 207 180 208 #include "G4RunManager.hh" 181 #include "G4RunManager.hh" 209 182 210 void DetectorConstruction::SetMaterial(const G << 183 void DetectorConstruction::SetMaterial(G4String materialChoice) 211 { 184 { 212 // search the material by its name, or build 185 // search the material by its name, or build it from nist data base 213 G4Material* pttoMaterial = G4NistManager::In << 186 G4Material* pttoMaterial = >> 187 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); 214 188 215 if (pttoMaterial) { 189 if (pttoMaterial) { 216 fMaterial = pttoMaterial; << 190 aMaterial = pttoMaterial; 217 if (fBox) { << 191 if (pBox) G4RunManager::GetRunManager() 218 fBox->GetLogicalVolume()->SetMaterial(fM << 192 ->DefineWorldVolume(ConstructVolumes()); 219 } << 193 } else { 220 G4RunManager::GetRunManager()->PhysicsHasB << 194 G4cout << "\n--> warning from DetectorConstruction::SetMaterial : " 221 G4cout << "\n " << fMaterial << G4endl; << 195 << materialChoice << " not found" << G4endl; 222 } << 196 } 223 else { << 224 G4cout << "\n--> warning from DetectorCons << 225 << " not found" << G4endl; << 226 } << 227 } 197 } 228 198 229 //....oooOO0OOooo........oooOO0OOooo........oo 199 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 230 200