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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 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 32
33 #include "DetectorConstruction.hh" 33 #include "DetectorConstruction.hh"
34 <<
35 #include "DetectorMessenger.hh" 34 #include "DetectorMessenger.hh"
>> 35 #include "G4Material.hh"
>> 36 #include "G4NistManager.hh"
36 37
37 #include "G4Box.hh" 38 #include "G4Box.hh"
38 #include "G4GeometryManager.hh" <<
39 #include "G4LogicalVolume.hh" 39 #include "G4LogicalVolume.hh"
40 #include "G4LogicalVolumeStore.hh" <<
41 #include "G4Material.hh" <<
42 #include "G4NistManager.hh" <<
43 #include "G4PVPlacement.hh" 40 #include "G4PVPlacement.hh"
44 #include "G4PhysicalConstants.hh" << 41
>> 42 #include "G4GeometryManager.hh"
45 #include "G4PhysicalVolumeStore.hh" 43 #include "G4PhysicalVolumeStore.hh"
46 #include "G4RunManager.hh" << 44 #include "G4LogicalVolumeStore.hh"
47 #include "G4SolidStore.hh" 45 #include "G4SolidStore.hh"
>> 46 #include "G4RunManager.hh"
>> 47
48 #include "G4SystemOfUnits.hh" 48 #include "G4SystemOfUnits.hh"
>> 49 #include "G4PhysicalConstants.hh"
49 #include "G4UnitsTable.hh" 50 #include "G4UnitsTable.hh"
50 51
51 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52 53
53 DetectorConstruction::DetectorConstruction() 54 DetectorConstruction::DetectorConstruction()
54 { 55 {
55 // default geometrical parameters 56 // default geometrical parameters
56 fAbsorThickness = 1 * cm; << 57 fAbsorThickness = 1*cm;
57 fAbsorSizeYZ = 1 * cm; << 58 fAbsorSizeYZ = 1*cm;
58 fWorldSizeX = 1.2 * fAbsorThickness; << 59 fWorldSizeX = 1.2*fAbsorThickness;
59 fWorldSizeYZ = 1.2 * fAbsorSizeYZ; << 60 fWorldSizeYZ = 1.2*fAbsorSizeYZ;
60 61
61 // materials 62 // materials
62 DefineMaterials(); 63 DefineMaterials();
63 SetAbsorMaterial("G4_Co"); 64 SetAbsorMaterial("G4_Co");
64 65
65 // create commands for interactive definitio 66 // create commands for interactive definition of the geometry
66 fDetectorMessenger = new DetectorMessenger(t 67 fDetectorMessenger = new DetectorMessenger(this);
67 } 68 }
68 69
69 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
70 71
71 DetectorConstruction::~DetectorConstruction() 72 DetectorConstruction::~DetectorConstruction()
72 { << 73 { delete fDetectorMessenger;}
73 delete fDetectorMessenger; <<
74 } <<
75 74
76 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
77 76
78 G4VPhysicalVolume* DetectorConstruction::Const 77 G4VPhysicalVolume* DetectorConstruction::Construct()
79 { 78 {
80 return ConstructVolumes(); 79 return ConstructVolumes();
81 } 80 }
82 81
83 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84 83
85 void DetectorConstruction::DefineMaterials() 84 void DetectorConstruction::DefineMaterials()
86 { 85 {
87 // specific element name for thermal neutron 86 // specific element name for thermal neutronHP
88 // (see G4ParticleHPThermalScatteringNames.c 87 // (see G4ParticleHPThermalScatteringNames.cc)
89 88
90 G4int ncomponents, natoms; 89 G4int ncomponents, natoms;
91 90
92 // pressurized water 91 // pressurized water
93 G4Element* H = new G4Element("TS_H_of_Water" << 92 G4Element* H = new G4Element("TS_H_of_Water" ,"H" , 1., 1.0079*g/mole);
94 G4Element* O = new G4Element("Oxygen", "O", << 93 G4Element* O = new G4Element("Oxygen" ,"O" , 8., 16.00*g/mole);
95 G4Material* H2O = new G4Material("Water_ts", << 94 G4Material* H2O =
96 593 * kelvi << 95 new G4Material("Water_ts", 1.000*g/cm3, ncomponents=2,
97 H2O->AddElement(H, natoms = 2); << 96 kStateLiquid, 593*kelvin, 150*bar);
98 H2O->AddElement(O, natoms = 1); << 97 H2O->AddElement(H, natoms=2);
99 H2O->GetIonisation()->SetMeanExcitationEnerg << 98 H2O->AddElement(O, natoms=1);
>> 99 H2O->GetIonisation()->SetMeanExcitationEnergy(78.0*eV);
100 100
101 // heavy water 101 // heavy water
102 G4Isotope* H2 = new G4Isotope("H2", 1, 2); << 102 G4Isotope* H2 = new G4Isotope("H2",1,2);
103 G4Element* D = new G4Element("TS_D_of_Heavy_ << 103 G4Element* D = new G4Element("TS_D_of_Heavy_Water", "D", 1);
104 D->AddIsotope(H2, 100 * perCent); << 104 D->AddIsotope(H2, 100*perCent);
105 G4Material* D2O = new G4Material("HeavyWater << 105 G4Material* D2O = new G4Material("HeavyWater", 1.11*g/cm3, ncomponents=2,
106 293.15 * ke << 106 kStateLiquid, 293.15*kelvin, 1*atmosphere);
107 D2O->AddElement(D, natoms = 2); << 107 D2O->AddElement(D, natoms=2);
108 D2O->AddElement(O, natoms = 1); << 108 D2O->AddElement(O, natoms=1);
109 109
110 // graphite 110 // graphite
111 G4Isotope* C12 = new G4Isotope("C12", 6, 12) << 111 G4Isotope* C12 = new G4Isotope("C12", 6, 12);
112 G4Element* C = new G4Element("TS_C_of_Graphi << 112 G4Element* C = new G4Element("TS_C_of_Graphite","C", ncomponents=1);
113 C->AddIsotope(C12, 100. * perCent); << 113 C->AddIsotope(C12, 100.*perCent);
114 G4Material* graphite = new G4Material("graph << 114 G4Material* graphite =
115 293 * << 115 new G4Material("graphite", 2.27*g/cm3, ncomponents=1,
116 graphite->AddElement(C, natoms = 1); << 116 kStateSolid, 293*kelvin, 1*atmosphere);
>> 117 graphite->AddElement(C, natoms=1);
117 118
118 // example of vacuum 119 // example of vacuum
119 fWorldMaterial = new G4Material("Galactic", << 120 fWorldMaterial = new G4Material("Galactic", 1, 1.01*g/mole,
120 2.73 * kelvi << 121 universe_mean_density, kStateGas, 2.73*kelvin, 3.e-18*pascal);
121 122
122 /// G4cout << *(G4Material::GetMaterialTable << 123 ///G4cout << *(G4Material::GetMaterialTable()) << G4endl;
123 } 124 }
124 125
125 //....oooOO0OOooo........oooOO0OOooo........oo 126 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
126 127
127 G4Material* DetectorConstruction::MaterialWith << 128 G4Material* DetectorConstruction::MaterialWithSingleIsotope( G4String name,
128 << 129 G4String symbol, G4double density, G4int Z, G4int A)
129 { 130 {
130 // define a material from an isotope << 131 // define a material from an isotope
131 // << 132 //
132 G4int ncomponents; << 133 G4int ncomponents;
133 G4double abundance, massfraction; << 134 G4double abundance, massfraction;
134 <<
135 G4Isotope* isotope = new G4Isotope(symbol, Z <<
136 135
137 G4Element* element = new G4Element(name, sym << 136 G4Isotope* isotope = new G4Isotope(symbol, Z, A);
138 element->AddIsotope(isotope, abundance = 100 << 137
>> 138 G4Element* element = new G4Element(name, symbol, ncomponents=1);
>> 139 element->AddIsotope(isotope, abundance= 100.*perCent);
>> 140
>> 141 G4Material* material = new G4Material(name, density, ncomponents=1);
>> 142 material->AddElement(element, massfraction=100.*perCent);
139 143
140 G4Material* material = new G4Material(name, << 144 return material;
141 material->AddElement(element, massfraction = <<
142 <<
143 return material; <<
144 } 145 }
145 146
146 //....oooOO0OOooo........oooOO0OOooo........oo 147 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
147 148
148 G4VPhysicalVolume* DetectorConstruction::Const 149 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
149 { 150 {
150 // Cleanup old geometry 151 // Cleanup old geometry
151 G4GeometryManager::GetInstance()->OpenGeomet 152 G4GeometryManager::GetInstance()->OpenGeometry();
152 G4PhysicalVolumeStore::GetInstance()->Clean( 153 G4PhysicalVolumeStore::GetInstance()->Clean();
153 G4LogicalVolumeStore::GetInstance()->Clean() 154 G4LogicalVolumeStore::GetInstance()->Clean();
154 G4SolidStore::GetInstance()->Clean(); 155 G4SolidStore::GetInstance()->Clean();
155 156
156 // World 157 // World
157 // 158 //
158 fWorldSizeX = 1.2 * fAbsorThickness; << 159 fWorldSizeX = 1.2*fAbsorThickness;
159 fWorldSizeYZ = 1.2 * fAbsorSizeYZ; << 160 fWorldSizeYZ = 1.2*fAbsorSizeYZ;
160 << 161
161 G4Box* sWorld = new G4Box("World", // name << 162 G4Box*
162 fWorldSizeX / 2, f << 163 sWorld = new G4Box("World", //name
163 << 164 fWorldSizeX/2,fWorldSizeYZ/2,fWorldSizeYZ/2); //dimensions
164 G4LogicalVolume* lWorld = new G4LogicalVolum << 165
165 << 166 G4LogicalVolume*
166 << 167 lWorld = new G4LogicalVolume(sWorld, //shape
167 << 168 fWorldMaterial, //material
168 fWorldVolume = new G4PVPlacement(0, // no r << 169 "World"); //name
169 G4ThreeVect << 170
170 lWorld, // << 171 fWorldVolume = new G4PVPlacement(0, //no rotation
171 "World", / << 172 G4ThreeVector(), //at (0,0,0)
172 0, // moth << 173 lWorld, //logical volume
173 false, // << 174 "World", //name
174 0); // cop << 175 0, //mother volume
175 << 176 false, //no boolean operation
>> 177 0); //copy number
>> 178
176 // Absorber 179 // Absorber
177 // 180 //
178 G4Box* sAbsor = new G4Box("Absorber", // na << 181 G4Box* sAbsor = new G4Box("Absorber", //name
179 fAbsorThickness / << 182 fAbsorThickness/2, fAbsorSizeYZ/2, fAbsorSizeYZ/2); //dimensions
180 183
181 fLAbsor = new G4LogicalVolume(sAbsor, // sh << 184 fLAbsor = new G4LogicalVolume(sAbsor, //shape
182 fAbsorMaterial << 185 fAbsorMaterial, //material
183 fAbsorMaterial << 186 fAbsorMaterial->GetName()); //name
184 << 187
185 new G4PVPlacement(0, // no rotation << 188 new G4PVPlacement(0, //no rotation
186 G4ThreeVector(), // at (0 << 189 G4ThreeVector(), //at (0,0,0)
187 fLAbsor, // logical volum << 190 fLAbsor, //logical volume
188 fAbsorMaterial->GetName(), << 191 fAbsorMaterial->GetName(), //name
189 lWorld, // mother volume << 192 lWorld, //mother volume
190 false, // no boolean oper << 193 false, //no boolean operation
191 0); // copy number << 194 0); //copy number
192 195
193 PrintParameters(); 196 PrintParameters();
194 << 197
195 // always return the root volume << 198 //always return the root volume
196 // 199 //
197 return fWorldVolume; 200 return fWorldVolume;
198 } 201 }
199 202
200 //....oooOO0OOooo........oooOO0OOooo........oo 203 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
201 204
202 void DetectorConstruction::PrintParameters() 205 void DetectorConstruction::PrintParameters()
203 { 206 {
204 G4cout << "\n The Absorber is " << G4BestUni << 207 G4cout << "\n The Absorber is " << G4BestUnit(fAbsorThickness,"Length")
205 << fAbsorMaterial->GetName() << "\n \ << 208 << " of " << fAbsorMaterial->GetName()
206 << fAbsorMaterial << G4endl; << 209 << "\n \n" << fAbsorMaterial << G4endl;
207 } 210 }
208 211
209 //....oooOO0OOooo........oooOO0OOooo........oo 212 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
210 213
211 void DetectorConstruction::SetAbsorMaterial(G4 214 void DetectorConstruction::SetAbsorMaterial(G4String materialChoice)
212 { 215 {
213 // search the material by its name 216 // search the material by its name
214 G4Material* pttoMaterial = G4NistManager::In << 217 G4Material* pttoMaterial =
215 << 218 G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
216 if (pttoMaterial) { << 219
>> 220 if (pttoMaterial) {
217 fAbsorMaterial = pttoMaterial; 221 fAbsorMaterial = pttoMaterial;
218 if (fLAbsor) { << 222 if(fLAbsor) { fLAbsor->SetMaterial(fAbsorMaterial); }
219 fLAbsor->SetMaterial(fAbsorMaterial); <<
220 } <<
221 G4RunManager::GetRunManager()->PhysicsHasB 223 G4RunManager::GetRunManager()->PhysicsHasBeenModified();
222 } << 224 } else {
223 else { << 225 G4cout << "\n--> warning from DetectorConstruction::SetMaterial : "
224 G4cout << "\n--> warning from DetectorCons << 226 << materialChoice << " not found" << G4endl;
225 << " not found" << G4endl; << 227 }
226 } <<
227 } 228 }
228 229
229 //....oooOO0OOooo........oooOO0OOooo........oo 230 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
230 231
231 void DetectorConstruction::SetAbsorThickness(G 232 void DetectorConstruction::SetAbsorThickness(G4double value)
232 { 233 {
233 fAbsorThickness = value; 234 fAbsorThickness = value;
234 G4RunManager::GetRunManager()->ReinitializeG 235 G4RunManager::GetRunManager()->ReinitializeGeometry();
235 } 236 }
236 237
237 //....oooOO0OOooo........oooOO0OOooo........oo 238 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
238 239
239 void DetectorConstruction::SetAbsorSizeYZ(G4do 240 void DetectorConstruction::SetAbsorSizeYZ(G4double value)
240 { 241 {
241 fAbsorSizeYZ = value; 242 fAbsorSizeYZ = value;
242 G4RunManager::GetRunManager()->ReinitializeG 243 G4RunManager::GetRunManager()->ReinitializeGeometry();
243 } 244 }
244 245
245 //....oooOO0OOooo........oooOO0OOooo........oo 246 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
246 247