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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 // $Id: DetectorConstruction.cc 70755 2013-06-05 12:17:48Z ihrivnac $
29 // 30 //
>> 31
30 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 33 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 34
33 #include "DetectorConstruction.hh" 35 #include "DetectorConstruction.hh"
34 <<
35 #include "DetectorMessenger.hh" 36 #include "DetectorMessenger.hh"
>> 37 #include "G4Material.hh"
>> 38 #include "G4NistManager.hh"
36 39
37 #include "G4Box.hh" 40 #include "G4Box.hh"
38 #include "G4GeometryManager.hh" << 41 #include "G4Sphere.hh"
39 #include "G4LogicalVolume.hh" 42 #include "G4LogicalVolume.hh"
40 #include "G4LogicalVolumeStore.hh" <<
41 #include "G4Material.hh" <<
42 #include "G4NistManager.hh" <<
43 #include "G4PVPlacement.hh" 43 #include "G4PVPlacement.hh"
44 #include "G4PhysicalConstants.hh" << 44
>> 45 #include "G4GeometryManager.hh"
45 #include "G4PhysicalVolumeStore.hh" 46 #include "G4PhysicalVolumeStore.hh"
46 #include "G4RunManager.hh" << 47 #include "G4LogicalVolumeStore.hh"
47 #include "G4SolidStore.hh" 48 #include "G4SolidStore.hh"
48 #include "G4Sphere.hh" << 49 #include "G4RunManager.hh"
49 #include "G4SystemOfUnits.hh" << 50
50 #include "G4UnitsTable.hh" 51 #include "G4UnitsTable.hh"
>> 52 #include "G4SystemOfUnits.hh"
>> 53 #include "G4PhysicalConstants.hh"
51 54
52 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 56
54 DetectorConstruction::DetectorConstruction() 57 DetectorConstruction::DetectorConstruction()
>> 58 :G4VUserDetectorConstruction(),
>> 59 fMaterial(0), fLAbsor(0), fWorldMat(0), fPWorld(0), fDetectorMessenger(0)
55 { 60 {
56 fRadius = 30 * cm; << 61 fRadius = 30*cm;
57 fWorldSize = 1.1 * fRadius; << 62 fWorldSize = 1.1*fRadius;
58 DefineMaterials(); 63 DefineMaterials();
59 SetMaterial("Water_ts"); << 64 SetMaterial("Water_ts");
60 fDetectorMessenger = new DetectorMessenger(t 65 fDetectorMessenger = new DetectorMessenger(this);
61 } 66 }
62 67
63 //....oooOO0OOooo........oooOO0OOooo........oo 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
64 69
65 DetectorConstruction::~DetectorConstruction() 70 DetectorConstruction::~DetectorConstruction()
66 { << 71 { delete fDetectorMessenger;}
67 delete fDetectorMessenger; <<
68 } <<
69 72
70 //....oooOO0OOooo........oooOO0OOooo........oo 73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
71 74
72 G4VPhysicalVolume* DetectorConstruction::Const 75 G4VPhysicalVolume* DetectorConstruction::Construct()
73 { 76 {
74 return ConstructVolumes(); 77 return ConstructVolumes();
75 } 78 }
76 79
77 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
78 81
79 void DetectorConstruction::DefineMaterials() 82 void DetectorConstruction::DefineMaterials()
80 { 83 {
81 // specific element name for thermal neutron 84 // specific element name for thermal neutronHP
82 // (see G4ParticleHPThermalScatteringNames.c 85 // (see G4ParticleHPThermalScatteringNames.cc)
83 86
84 G4int ncomponents, natoms; 87 G4int ncomponents, natoms;
85 88
86 // pressurized water 89 // pressurized water
87 G4Element* H = new G4Element("TS_H_of_Water" << 90 G4Element* H = new G4Element("TS_H_of_Water" ,"H" , 1., 1.0079*g/mole);
88 G4Element* O = new G4Element("Oxygen", "O", << 91 G4Element* O = new G4Element("Oxygen" ,"O" , 8., 16.00*g/mole);
89 G4Material* H2O = new G4Material("Water_ts", << 92 G4Material* H2O =
90 593 * kelvi << 93 new G4Material("Water_ts", 1.000*g/cm3, ncomponents=2,
91 H2O->AddElement(H, natoms = 2); << 94 kStateLiquid, 593*kelvin, 150*bar);
92 H2O->AddElement(O, natoms = 1); << 95 H2O->AddElement(H, natoms=2);
93 H2O->GetIonisation()->SetMeanExcitationEnerg << 96 H2O->AddElement(O, natoms=1);
>> 97 H2O->GetIonisation()->SetMeanExcitationEnergy(78.0*eV);
94 98
95 // heavy water 99 // heavy water
96 G4Isotope* H2 = new G4Isotope("H2", 1, 2); << 100 G4Isotope* H2 = new G4Isotope("H2",1,2);
97 G4Element* D = new G4Element("TS_D_of_Heavy_ << 101 G4Element* D = new G4Element("TS_D_of_Heavy_Water", "D", 1);
98 D->AddIsotope(H2, 100 * perCent); << 102 D->AddIsotope(H2, 100*perCent);
99 G4Material* D2O = new G4Material("HeavyWater << 103 G4Material* D2O = new G4Material("HeavyWater", 1.11*g/cm3, ncomponents=2,
100 293.15 * ke << 104 kStateLiquid, 293.15*kelvin, 1*atmosphere);
101 D2O->AddElement(D, natoms = 2); << 105 D2O->AddElement(D, natoms=2);
102 D2O->AddElement(O, natoms = 1); << 106 D2O->AddElement(O, natoms=1);
103 107
104 // graphite 108 // graphite
105 G4Isotope* C12 = new G4Isotope("C12", 6, 12) << 109 G4Isotope* C12 = new G4Isotope("C12", 6, 12);
106 G4Element* C = new G4Element("TS_C_of_Graphi << 110 G4Element* C = new G4Element("TS_C_of_Graphite","C", ncomponents=1);
107 C->AddIsotope(C12, 100. * perCent); << 111 C->AddIsotope(C12, 100.*perCent);
108 G4Material* graphite = new G4Material("graph << 112 G4Material* graphite =
109 293 * << 113 new G4Material("graphite", 2.27*g/cm3, ncomponents=1,
110 graphite->AddElement(C, natoms = 1); << 114 kStateSolid, 293*kelvin, 1*atmosphere);
111 << 115 graphite->AddElement(C, natoms=1);
112 // NE213 << 116
113 G4Material* ne213 = new G4Material("NE213", << 117 //NE213
114 ne213->AddElement(H, 9.2 * perCent); << 118 G4Material* ne213 =
115 ne213->AddElement(C, 90.8 * perCent); << 119 new G4Material("NE213", 0.874*g/cm3, ncomponents=2);
116 << 120 ne213->AddElement(H, 9.2*perCent);
>> 121 ne213->AddElement(C, 90.8*perCent);
>> 122
117 // example of vacuum 123 // example of vacuum
118 fWorldMat = new G4Material("Galactic", 1, 1. << 124 fWorldMat = new G4Material("Galactic", 1, 1.01*g/mole, universe_mean_density,
119 2.73 * kelvin, 3. << 125 kStateGas, 2.73*kelvin, 3.e-18*pascal);
120 126
121 /// G4cout << *(G4Material::GetMaterialTable << 127 ///G4cout << *(G4Material::GetMaterialTable()) << G4endl;
122 } 128 }
123 129
124 //....oooOO0OOooo........oooOO0OOooo........oo 130 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
125 131
126 G4Material* DetectorConstruction::MaterialWith << 132 G4Material* DetectorConstruction::MaterialWithSingleIsotope( G4String name,
127 << 133 G4String symbol, G4double density, G4int Z, G4int A)
128 { 134 {
129 // define a material from an isotope << 135 // define a material from an isotope
130 // << 136 //
131 G4int ncomponents; << 137 G4int ncomponents;
132 G4double abundance, massfraction; << 138 G4double abundance, massfraction;
133 <<
134 G4Isotope* isotope = new G4Isotope(symbol, Z <<
135 139
136 G4Element* element = new G4Element(name, sym << 140 G4Isotope* isotope = new G4Isotope(symbol, Z, A);
137 element->AddIsotope(isotope, abundance = 100 << 141
>> 142 G4Element* element = new G4Element(name, symbol, ncomponents=1);
>> 143 element->AddIsotope(isotope, abundance= 100.*perCent);
>> 144
>> 145 G4Material* material = new G4Material(name, density, ncomponents=1);
>> 146 material->AddElement(element, massfraction=100.*perCent);
138 147
139 G4Material* material = new G4Material(name, << 148 return material;
140 material->AddElement(element, massfraction = <<
141 <<
142 return material; <<
143 } 149 }
144 150
145 //....oooOO0OOooo........oooOO0OOooo........oo 151 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
146 152
147 G4VPhysicalVolume* DetectorConstruction::Const 153 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
148 { 154 {
149 // Cleanup old geometry 155 // Cleanup old geometry
150 G4GeometryManager::GetInstance()->OpenGeomet 156 G4GeometryManager::GetInstance()->OpenGeometry();
151 G4PhysicalVolumeStore::GetInstance()->Clean( 157 G4PhysicalVolumeStore::GetInstance()->Clean();
152 G4LogicalVolumeStore::GetInstance()->Clean() 158 G4LogicalVolumeStore::GetInstance()->Clean();
153 G4SolidStore::GetInstance()->Clean(); 159 G4SolidStore::GetInstance()->Clean();
154 << 160
155 // World 161 // World
156 // 162 //
157 G4Box* sWorld = new G4Box("World", // name << 163 G4Box*
158 fWorldSize, fWorld << 164 sWorld = new G4Box("World", //name
159 << 165 fWorldSize,fWorldSize,fWorldSize); //dimensions
160 G4LogicalVolume* lWorld = new G4LogicalVolum << 166
161 << 167 G4LogicalVolume*
162 << 168 lWorld = new G4LogicalVolume(sWorld, //shape
163 << 169 fWorldMat, //material
164 fPWorld = new G4PVPlacement(0, // no rotati << 170 "World"); //name
165 G4ThreeVector(), << 171
166 lWorld, // logi << 172 fPWorld = new G4PVPlacement(0, //no rotation
167 "World", // nam << 173 G4ThreeVector(), //at (0,0,0)
168 0, // mother vo << 174 lWorld, //logical volume
169 false, // no bo << 175 "World", //name
170 0); // copy num << 176 0, //mother volume
171 << 177 false, //no boolean operation
>> 178 0); //copy number
>> 179
172 // Absorber 180 // Absorber
173 // 181 //
174 G4Sphere* sAbsor = new G4Sphere("Absorber", << 182 G4Sphere*
175 0., fRadius, << 183 sAbsor = new G4Sphere("Absorber", //name
176 << 184 0., fRadius, 0., twopi, 0., pi); //dimensions
177 fLAbsor = new G4LogicalVolume(sAbsor, // sh << 185
178 fMaterial, // << 186 fLAbsor = new G4LogicalVolume(sAbsor, //shape
179 fMaterial->Get << 187 fMaterial, //material
180 << 188 fMaterial->GetName()); //name
181 new G4PVPlacement(0, // no rotation << 189
182 G4ThreeVector(), // at (0 << 190 new G4PVPlacement(0, //no rotation
183 fLAbsor, // logical volum << 191 G4ThreeVector(), //at (0,0,0)
184 fMaterial->GetName(), // << 192 fLAbsor, //logical volume
185 lWorld, // mother volume << 193 fMaterial->GetName(), //name
186 false, // no boolean oper << 194 lWorld, //mother volume
187 0); // copy number << 195 false, //no boolean operation
>> 196 0); //copy number
188 PrintParameters(); 197 PrintParameters();
189 << 198
190 // always return the root volume << 199 //always return the root volume
191 // 200 //
192 return fPWorld; 201 return fPWorld;
193 } 202 }
194 203
195 //....oooOO0OOooo........oooOO0OOooo........oo 204 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
196 205
197 void DetectorConstruction::PrintParameters() 206 void DetectorConstruction::PrintParameters()
198 { 207 {
199 G4cout << "\n The Absorber is " << G4BestUni << 208 G4cout << "\n The Absorber is " << G4BestUnit(fRadius,"Length")
200 << "\n \n" << 209 << " of " << fMaterial->GetName()
201 << fMaterial << G4endl; << 210 << "\n \n" << fMaterial << G4endl;
202 } 211 }
203 212
204 //....oooOO0OOooo........oooOO0OOooo........oo 213 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
205 214
206 void DetectorConstruction::SetMaterial(G4Strin 215 void DetectorConstruction::SetMaterial(G4String materialChoice)
207 { 216 {
208 // search the material by its name 217 // search the material by its name
209 G4Material* pttoMaterial = G4NistManager::In << 218 G4Material* pttoMaterial =
210 << 219 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
211 if (pttoMaterial) { << 220
>> 221 if (pttoMaterial) {
212 fMaterial = pttoMaterial; 222 fMaterial = pttoMaterial;
213 if (fLAbsor) { << 223 if(fLAbsor) { fLAbsor->SetMaterial(fMaterial); }
214 fLAbsor->SetMaterial(fMaterial); <<
215 } <<
216 G4RunManager::GetRunManager()->PhysicsHasB 224 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
217 } << 225 } else {
218 else { << 226 G4cout << "\n--> warning from DetectorConstruction::SetMaterial : "
219 G4cout << "\n--> warning from DetectorCons << 227 << materialChoice << " not found" << G4endl;
220 << " not found" << G4endl; << 228 }
221 } <<
222 } 229 }
223 230
224 //....oooOO0OOooo........oooOO0OOooo........oo 231 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
225 232
226 void DetectorConstruction::SetRadius(G4double 233 void DetectorConstruction::SetRadius(G4double value)
227 { 234 {
228 fRadius = value; 235 fRadius = value;
229 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