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25 // 25 //
26 /// \file DetectorConstruction.cc 26 /// \file DetectorConstruction.cc
27 /// \brief Implementation of the DetectorConst 27 /// \brief Implementation of the DetectorConstruction class
28 // 28 //
29 // 29 //
>> 30
30 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 33
33 #include "DetectorConstruction.hh" 34 #include "DetectorConstruction.hh"
34 <<
35 #include "DetectorMessenger.hh" 35 #include "DetectorMessenger.hh"
>> 36 #include "G4Material.hh"
>> 37 #include "G4NistManager.hh"
36 38
37 #include "G4Box.hh" 39 #include "G4Box.hh"
38 #include "G4GeometryManager.hh" << 40 #include "G4Sphere.hh"
39 #include "G4LogicalVolume.hh" 41 #include "G4LogicalVolume.hh"
40 #include "G4LogicalVolumeStore.hh" <<
41 #include "G4Material.hh" <<
42 #include "G4NistManager.hh" <<
43 #include "G4PVPlacement.hh" 42 #include "G4PVPlacement.hh"
44 #include "G4PhysicalConstants.hh" << 43
>> 44 #include "G4GeometryManager.hh"
45 #include "G4PhysicalVolumeStore.hh" 45 #include "G4PhysicalVolumeStore.hh"
46 #include "G4RunManager.hh" << 46 #include "G4LogicalVolumeStore.hh"
47 #include "G4SolidStore.hh" 47 #include "G4SolidStore.hh"
48 #include "G4Sphere.hh" << 48 #include "G4RunManager.hh"
49 #include "G4SystemOfUnits.hh" << 49
50 #include "G4UnitsTable.hh" 50 #include "G4UnitsTable.hh"
>> 51 #include "G4SystemOfUnits.hh"
>> 52 #include "G4PhysicalConstants.hh"
51 53
52 //....oooOO0OOooo........oooOO0OOooo........oo 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 55
54 DetectorConstruction::DetectorConstruction() 56 DetectorConstruction::DetectorConstruction()
>> 57 :G4VUserDetectorConstruction(),
>> 58 fMaterial(0), fLAbsor(0), fWorldMat(0), fPWorld(0), fDetectorMessenger(0)
55 { 59 {
56 fRadius = 30 * cm; << 60 fRadius = 30*cm;
57 fWorldSize = 1.1 * fRadius; << 61 fWorldSize = 1.1*fRadius;
58 DefineMaterials(); 62 DefineMaterials();
59 SetMaterial("Water_ts"); << 63 SetMaterial("Water_ts");
60 fDetectorMessenger = new DetectorMessenger(t 64 fDetectorMessenger = new DetectorMessenger(this);
61 } 65 }
62 66
63 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
64 68
65 DetectorConstruction::~DetectorConstruction() 69 DetectorConstruction::~DetectorConstruction()
66 { << 70 { delete fDetectorMessenger;}
67 delete fDetectorMessenger; <<
68 } <<
69 71
70 //....oooOO0OOooo........oooOO0OOooo........oo 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
71 73
72 G4VPhysicalVolume* DetectorConstruction::Const 74 G4VPhysicalVolume* DetectorConstruction::Construct()
73 { 75 {
74 return ConstructVolumes(); 76 return ConstructVolumes();
75 } 77 }
76 78
77 //....oooOO0OOooo........oooOO0OOooo........oo 79 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
78 80
79 void DetectorConstruction::DefineMaterials() 81 void DetectorConstruction::DefineMaterials()
80 { 82 {
81 // specific element name for thermal neutron 83 // specific element name for thermal neutronHP
82 // (see G4ParticleHPThermalScatteringNames.c 84 // (see G4ParticleHPThermalScatteringNames.cc)
83 85
84 G4int ncomponents, natoms; 86 G4int ncomponents, natoms;
85 87
86 // pressurized water 88 // pressurized water
87 G4Element* H = new G4Element("TS_H_of_Water" << 89 G4Element* H = new G4Element("TS_H_of_Water" ,"H" , 1., 1.0079*g/mole);
88 G4Element* O = new G4Element("Oxygen", "O", << 90 G4Element* O = new G4Element("Oxygen" ,"O" , 8., 16.00*g/mole);
89 G4Material* H2O = new G4Material("Water_ts", << 91 G4Material* H2O =
90 593 * kelvi << 92 new G4Material("Water_ts", 1.000*g/cm3, ncomponents=2,
91 H2O->AddElement(H, natoms = 2); << 93 kStateLiquid, 593*kelvin, 150*bar);
92 H2O->AddElement(O, natoms = 1); << 94 H2O->AddElement(H, natoms=2);
93 H2O->GetIonisation()->SetMeanExcitationEnerg << 95 H2O->AddElement(O, natoms=1);
>> 96 H2O->GetIonisation()->SetMeanExcitationEnergy(78.0*eV);
94 97
95 // heavy water 98 // heavy water
96 G4Isotope* H2 = new G4Isotope("H2", 1, 2); << 99 G4Isotope* H2 = new G4Isotope("H2",1,2);
97 G4Element* D = new G4Element("TS_D_of_Heavy_ << 100 G4Element* D = new G4Element("TS_D_of_Heavy_Water", "D", 1);
98 D->AddIsotope(H2, 100 * perCent); << 101 D->AddIsotope(H2, 100*perCent);
99 G4Material* D2O = new G4Material("HeavyWater << 102 G4Material* D2O = new G4Material("HeavyWater", 1.11*g/cm3, ncomponents=2,
100 293.15 * ke << 103 kStateLiquid, 293.15*kelvin, 1*atmosphere);
101 D2O->AddElement(D, natoms = 2); << 104 D2O->AddElement(D, natoms=2);
102 D2O->AddElement(O, natoms = 1); << 105 D2O->AddElement(O, natoms=1);
103 106
104 // graphite 107 // graphite
105 G4Isotope* C12 = new G4Isotope("C12", 6, 12) << 108 G4Isotope* C12 = new G4Isotope("C12", 6, 12);
106 G4Element* C = new G4Element("TS_C_of_Graphi << 109 G4Element* C = new G4Element("TS_C_of_Graphite","C", ncomponents=1);
107 C->AddIsotope(C12, 100. * perCent); << 110 C->AddIsotope(C12, 100.*perCent);
108 G4Material* graphite = new G4Material("graph << 111 G4Material* graphite =
109 293 * << 112 new G4Material("graphite", 2.27*g/cm3, ncomponents=1,
110 graphite->AddElement(C, natoms = 1); << 113 kStateSolid, 293*kelvin, 1*atmosphere);
111 << 114 graphite->AddElement(C, natoms=1);
112 // NE213 << 115
113 G4Material* ne213 = new G4Material("NE213", << 116 //NE213
114 ne213->AddElement(H, 9.2 * perCent); << 117 G4Material* ne213 =
115 ne213->AddElement(C, 90.8 * perCent); << 118 new G4Material("NE213", 0.874*g/cm3, ncomponents=2);
116 << 119 ne213->AddElement(H, 9.2*perCent);
>> 120 ne213->AddElement(C, 90.8*perCent);
>> 121
117 // example of vacuum 122 // example of vacuum
118 fWorldMat = new G4Material("Galactic", 1, 1. << 123 fWorldMat = new G4Material("Galactic", 1, 1.01*g/mole, universe_mean_density,
119 2.73 * kelvin, 3. << 124 kStateGas, 2.73*kelvin, 3.e-18*pascal);
120 125
121 /// G4cout << *(G4Material::GetMaterialTable << 126 ///G4cout << *(G4Material::GetMaterialTable()) << G4endl;
122 } 127 }
123 128
124 //....oooOO0OOooo........oooOO0OOooo........oo 129 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
125 130
126 G4Material* DetectorConstruction::MaterialWith << 131 G4Material* DetectorConstruction::MaterialWithSingleIsotope( G4String name,
127 << 132 G4String symbol, G4double density, G4int Z, G4int A)
128 { 133 {
129 // define a material from an isotope << 134 // define a material from an isotope
130 // << 135 //
131 G4int ncomponents; << 136 G4int ncomponents;
132 G4double abundance, massfraction; << 137 G4double abundance, massfraction;
133 <<
134 G4Isotope* isotope = new G4Isotope(symbol, Z <<
135 138
136 G4Element* element = new G4Element(name, sym << 139 G4Isotope* isotope = new G4Isotope(symbol, Z, A);
137 element->AddIsotope(isotope, abundance = 100 << 140
>> 141 G4Element* element = new G4Element(name, symbol, ncomponents=1);
>> 142 element->AddIsotope(isotope, abundance= 100.*perCent);
>> 143
>> 144 G4Material* material = new G4Material(name, density, ncomponents=1);
>> 145 material->AddElement(element, massfraction=100.*perCent);
138 146
139 G4Material* material = new G4Material(name, << 147 return material;
140 material->AddElement(element, massfraction = <<
141 <<
142 return material; <<
143 } 148 }
144 149
145 //....oooOO0OOooo........oooOO0OOooo........oo 150 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
146 151
147 G4VPhysicalVolume* DetectorConstruction::Const 152 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
148 { 153 {
149 // Cleanup old geometry 154 // Cleanup old geometry
150 G4GeometryManager::GetInstance()->OpenGeomet 155 G4GeometryManager::GetInstance()->OpenGeometry();
151 G4PhysicalVolumeStore::GetInstance()->Clean( 156 G4PhysicalVolumeStore::GetInstance()->Clean();
152 G4LogicalVolumeStore::GetInstance()->Clean() 157 G4LogicalVolumeStore::GetInstance()->Clean();
153 G4SolidStore::GetInstance()->Clean(); 158 G4SolidStore::GetInstance()->Clean();
154 << 159
155 // World 160 // World
156 // 161 //
157 G4Box* sWorld = new G4Box("World", // name << 162 G4Box*
158 fWorldSize, fWorld << 163 sWorld = new G4Box("World", //name
159 << 164 fWorldSize,fWorldSize,fWorldSize); //dimensions
160 G4LogicalVolume* lWorld = new G4LogicalVolum << 165
161 << 166 G4LogicalVolume*
162 << 167 lWorld = new G4LogicalVolume(sWorld, //shape
163 << 168 fWorldMat, //material
164 fPWorld = new G4PVPlacement(0, // no rotati << 169 "World"); //name
165 G4ThreeVector(), << 170
166 lWorld, // logi << 171 fPWorld = new G4PVPlacement(0, //no rotation
167 "World", // nam << 172 G4ThreeVector(), //at (0,0,0)
168 0, // mother vo << 173 lWorld, //logical volume
169 false, // no bo << 174 "World", //name
170 0); // copy num << 175 0, //mother volume
171 << 176 false, //no boolean operation
>> 177 0); //copy number
>> 178
172 // Absorber 179 // Absorber
173 // 180 //
174 G4Sphere* sAbsor = new G4Sphere("Absorber", << 181 G4Sphere*
175 0., fRadius, << 182 sAbsor = new G4Sphere("Absorber", //name
176 << 183 0., fRadius, 0., twopi, 0., pi); //dimensions
177 fLAbsor = new G4LogicalVolume(sAbsor, // sh << 184
178 fMaterial, // << 185 fLAbsor = new G4LogicalVolume(sAbsor, //shape
179 fMaterial->Get << 186 fMaterial, //material
180 << 187 fMaterial->GetName()); //name
181 new G4PVPlacement(0, // no rotation << 188
182 G4ThreeVector(), // at (0 << 189 new G4PVPlacement(0, //no rotation
183 fLAbsor, // logical volum << 190 G4ThreeVector(), //at (0,0,0)
184 fMaterial->GetName(), // << 191 fLAbsor, //logical volume
185 lWorld, // mother volume << 192 fMaterial->GetName(), //name
186 false, // no boolean oper << 193 lWorld, //mother volume
187 0); // copy number << 194 false, //no boolean operation
>> 195 0); //copy number
188 PrintParameters(); 196 PrintParameters();
189 << 197
190 // always return the root volume << 198 //always return the root volume
191 // 199 //
192 return fPWorld; 200 return fPWorld;
193 } 201 }
194 202
195 //....oooOO0OOooo........oooOO0OOooo........oo 203 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
196 204
197 void DetectorConstruction::PrintParameters() 205 void DetectorConstruction::PrintParameters()
198 { 206 {
199 G4cout << "\n The Absorber is " << G4BestUni << 207 G4cout << "\n The Absorber is " << G4BestUnit(fRadius,"Length")
200 << "\n \n" << 208 << " of " << fMaterial->GetName()
201 << fMaterial << G4endl; << 209 << "\n \n" << fMaterial << G4endl;
202 } 210 }
203 211
204 //....oooOO0OOooo........oooOO0OOooo........oo 212 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
205 213
206 void DetectorConstruction::SetMaterial(G4Strin 214 void DetectorConstruction::SetMaterial(G4String materialChoice)
207 { 215 {
208 // search the material by its name 216 // search the material by its name
209 G4Material* pttoMaterial = G4NistManager::In << 217 G4Material* pttoMaterial =
210 << 218 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
211 if (pttoMaterial) { << 219
>> 220 if (pttoMaterial) {
212 fMaterial = pttoMaterial; 221 fMaterial = pttoMaterial;
213 if (fLAbsor) { << 222 if(fLAbsor) { fLAbsor->SetMaterial(fMaterial); }
214 fLAbsor->SetMaterial(fMaterial); <<
215 } <<
216 G4RunManager::GetRunManager()->PhysicsHasB 223 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
217 } << 224 } else {
218 else { << 225 G4cout << "\n--> warning from DetectorConstruction::SetMaterial : "
219 G4cout << "\n--> warning from DetectorCons << 226 << materialChoice << " not found" << G4endl;
220 << " not found" << G4endl; << 227 }
221 } <<
222 } 228 }
223 229
224 //....oooOO0OOooo........oooOO0OOooo........oo 230 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
225 231
226 void DetectorConstruction::SetRadius(G4double 232 void DetectorConstruction::SetRadius(G4double value)
227 { 233 {
228 fRadius = value; 234 fRadius = value;
229 fWorldSize = 1.1 * fRadius; << 235 fWorldSize = 1.1*fRadius;
230 G4RunManager::GetRunManager()->ReinitializeG 236 G4RunManager::GetRunManager()->ReinitializeGeometry();
231 } 237 }
232 238
233 //....oooOO0OOooo........oooOO0OOooo........oo 239 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 240
234 241