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26 /// \file electromagnetic/TestEm10/src/Detecto 26 /// \file electromagnetic/TestEm10/src/DetectorBari05.cc
27 /// \brief Implementation of the DetectorBari0 27 /// \brief Implementation of the DetectorBari05 class
28 // 28 //
29 // 29 //
>> 30 // $Id: DetectorBari05.cc 72517 2013-07-24 23:01:29Z gum $
30 // 31 //
31 // 32 //
32 33
33 #include "DetectorBari05.hh" 34 #include "DetectorBari05.hh"
34 <<
35 #include "Materials.hh" <<
36 #include "SensitiveDetector.hh" 35 #include "SensitiveDetector.hh"
>> 36 #include "Materials.hh"
37 37
>> 38 #include "G4Material.hh"
38 #include "G4Box.hh" 39 #include "G4Box.hh"
39 #include "G4FieldManager.hh" <<
40 #include "G4LogicalVolume.hh" 40 #include "G4LogicalVolume.hh"
41 #include "G4Material.hh" <<
42 #include "G4PVPlacement.hh" 41 #include "G4PVPlacement.hh"
43 #include "G4Region.hh" <<
44 #include "G4SDManager.hh" <<
45 #include "G4SystemOfUnits.hh" <<
46 #include "G4TransportationManager.hh" <<
47 #include "G4UniformMagField.hh" 42 #include "G4UniformMagField.hh"
>> 43 #include "G4FieldManager.hh"
>> 44 #include "G4TransportationManager.hh"
>> 45 #include "G4SDManager.hh"
>> 46
>> 47 #include "G4Region.hh"
>> 48
48 #include "G4UnitsTable.hh" 49 #include "G4UnitsTable.hh"
>> 50 #include "G4SystemOfUnits.hh"
49 #include "G4ios.hh" 51 #include "G4ios.hh"
50 52
51 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52 54
53 DetectorBari05::DetectorBari05() : fRadiatorDe << 55 DetectorBari05::DetectorBari05()
>> 56 : fRadiatorDescription(0)
>> 57 {}
54 58
55 //....oooOO0OOooo........oooOO0OOooo........oo 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 60
57 DetectorBari05::~DetectorBari05() 61 DetectorBari05::~DetectorBari05()
58 { 62 {
59 // delete fRadiatorDescription; 63 // delete fRadiatorDescription;
60 // the description is deleted in detector co << 64 // the description is deleted in detector construction
61 } 65 }
62 66
63 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
64 68
65 G4VPhysicalVolume* DetectorBari05::Construct() 69 G4VPhysicalVolume* DetectorBari05::Construct()
66 { 70 {
67 // Geometry parameters 71 // Geometry parameters
68 // 72 //
69 73
70 G4cout << "DetectorBari05 setup" << G4endl; 74 G4cout << "DetectorBari05 setup" << G4endl;
71 75
72 G4double worldSizeZ = 600. * cm; << 76 G4double worldSizeZ = 600.*cm;
73 G4double worldSizeR = 22. * cm; << 77 G4double worldSizeR = 22.*cm;
74 78
75 // Radiator and detector parameters 79 // Radiator and detector parameters
76 80
77 G4double radThickness = 0.0055 * mm; // Reg << 81 G4double radThickness = 0.0055*mm; // Reg2
78 G4double gasGap = 0.23 * mm; // Reg2 << 82 G4double gasGap = 0.23*mm; // Reg2
79 G4double foilGasRatio = radThickness / (radT << 83 G4double foilGasRatio = radThickness/(radThickness+gasGap);
80 G4double foilNumber = 191; // Reg2 << 84 G4double foilNumber = 191; // Reg2
81 << 85
82 G4double absorberThickness = 0.4 * mm; << 86 G4double absorberThickness = 0.4*mm;
83 G4double absorberRadius = 100. * mm; << 87 G4double absorberRadius = 100.*mm;
84 << 88
85 G4double electrodeThick = 100.0 * micrometer << 89 G4double electrodeThick = 100.0*micrometer;
86 G4double pipeLength = 50.0 * cm; << 90 G4double pipeLength = 50.0*cm;
87 G4double mylarThick = 20.0 * micrometer; << 91 G4double mylarThick = 20.0*micrometer;
88 G4double detGap = 0.01 * mm; << 92 G4double detGap = 0.01*mm;
89 93
90 G4double startZ = 100.0 * mm; << 94 G4double startZ = 100.0*mm;
91 95
92 // Preparation of mixed radiator material 96 // Preparation of mixed radiator material
93 97
>> 98
94 // Materials 99 // Materials
95 // 100 //
96 101
97 // Change to create materials using NIST 102 // Change to create materials using NIST
98 G4Material* air = Materials::GetInstance()-> << 103 G4Material* air = Materials::GetInstance()->GetMaterial("Air");
99 G4Material* ch2 = Materials::GetInstance()-> << 104 G4Material* ch2 = Materials::GetInstance()->GetMaterial("CH2");
100 G4Material* he = Materials::GetInstance()->G << 105 G4Material* he = Materials::GetInstance()->GetMaterial("He");
101 G4Material* si = Materials::GetInstance()->G << 106 G4Material* si = Materials::GetInstance()->GetMaterial("Si");
102 << 107
103 G4double foilDensity = ch2->GetDensity(); << 108 G4double foilDensity = ch2->GetDensity();
104 G4double gasDensity = air->GetDensity(); << 109 G4double gasDensity = air->GetDensity();
105 G4double totDensity = foilDensity * foilGasR << 110 G4double totDensity = foilDensity*foilGasRatio
>> 111 + gasDensity*(1.0-foilGasRatio);
106 112
107 G4double fractionFoil = foilDensity * foilGa << 113 G4double fractionFoil = foilDensity*foilGasRatio/totDensity;
108 G4double fractionGas = gasDensity * (1.0 - f << 114 G4double fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity;
109 G4Material* radiatorMat = new G4Material("ra 115 G4Material* radiatorMat = new G4Material("radiatorMat", totDensity, 2);
110 radiatorMat->AddMaterial(ch2, fractionFoil); 116 radiatorMat->AddMaterial(ch2, fractionFoil);
111 radiatorMat->AddMaterial(air, fractionGas); 117 radiatorMat->AddMaterial(air, fractionGas);
112 118
113 // Radiator description 119 // Radiator description
114 fRadiatorDescription = new RadiatorDescripti 120 fRadiatorDescription = new RadiatorDescription;
115 fRadiatorDescription->fFoilMaterial = ch2; << 121 fRadiatorDescription->fFoilMaterial = ch2; // CH2; // Kapton; // Mylar ; // Li ; // CH2 ;
116 fRadiatorDescription->fGasMaterial = air; / << 122 fRadiatorDescription->fGasMaterial = air; // CO2; // He; //
117 fRadiatorDescription->fFoilThickness = radTh 123 fRadiatorDescription->fFoilThickness = radThickness;
118 fRadiatorDescription->fGasThickness = gasGap << 124 fRadiatorDescription->fGasThickness = gasGap;
119 fRadiatorDescription->fFoilNumber = foilNumb 125 fRadiatorDescription->fFoilNumber = foilNumber;
120 126
121 // pipe material is assumed to be He + small 127 // pipe material is assumed to be He + small admixture of air
122 foilGasRatio = 0.99999; 128 foilGasRatio = 0.99999;
123 foilDensity = 1.2928 * mg / cm3; // Air << 129 foilDensity = 1.2928*mg/cm3; // Air
124 gasDensity = 0.178 * mg / cm3; // He << 130 gasDensity = 0.178*mg/cm3; // He
125 totDensity = foilDensity * foilGasRatio + ga << 131 totDensity = foilDensity*foilGasRatio + gasDensity*(1.0-foilGasRatio);
126 132
127 fractionFoil = foilDensity * foilGasRatio / << 133 fractionFoil = foilDensity*foilGasRatio/totDensity;
128 fractionGas = gasDensity * (1.0 - foilGasRat << 134 fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity;
129 135
130 G4Material* pipeMat = new G4Material("pipeMa 136 G4Material* pipeMat = new G4Material("pipeMat", totDensity, 2);
131 pipeMat->AddMaterial(air, fractionFoil); 137 pipeMat->AddMaterial(air, fractionFoil);
132 pipeMat->AddMaterial(he, fractionGas); 138 pipeMat->AddMaterial(he, fractionGas);
133 139
134 G4Material* worldMaterial = air; // CO2; << 140
>> 141 G4Material* worldMaterial = air; // CO2;
135 G4Material* absorberMaterial = si; 142 G4Material* absorberMaterial = si;
136 143
137 // Volumes 144 // Volumes
138 // 145 //
>> 146
>> 147 G4VSolid* solidWorld
>> 148 = new G4Box("World", worldSizeR, worldSizeR, worldSizeZ/2.);
>> 149
>> 150 G4LogicalVolume* logicWorld
>> 151 = new G4LogicalVolume(solidWorld, worldMaterial, "World");
139 152
140 G4VSolid* solidWorld = new G4Box("World", wo << 153 G4VPhysicalVolume* physicsWorld
141 << 154 = new G4PVPlacement(0, G4ThreeVector(), "World", logicWorld, 0, false, 0);
142 G4LogicalVolume* logicWorld = new G4LogicalV <<
143 <<
144 G4VPhysicalVolume* physicsWorld = <<
145 new G4PVPlacement(0, G4ThreeVector(), "Wor <<
146 155
147 // TR radiator envelope 156 // TR radiator envelope
148 157
149 G4double radThick = foilNumber * (radThickne << 158 G4double radThick = foilNumber*(radThickness + gasGap) - gasGap + detGap;
150 G4double radZ = startZ + 0.5 * radThick; << 159 G4double radZ = startZ + 0.5*radThick;
151 160
152 G4VSolid* solidRadiator = << 161 G4VSolid* solidRadiator
153 new G4Box("Radiator", 1.1 * absorberRadius << 162 = new G4Box("Radiator", 1.1*absorberRadius, 1.1*absorberRadius, 0.5*radThick);
154 163
155 G4LogicalVolume* logicRadiator = new G4Logic << 164 G4LogicalVolume* logicRadiator
156 << 165 = new G4LogicalVolume(solidRadiator, radiatorMat, "Radiator");
157 new G4PVPlacement(0, G4ThreeVector(0, 0, rad << 166
158 0); << 167 new G4PVPlacement(0, G4ThreeVector(0, 0, radZ),
>> 168 "Radiator", logicRadiator, physicsWorld, false, 0 );
159 169
160 fRadiatorDescription->fLogicalVolume = logic 170 fRadiatorDescription->fLogicalVolume = logicRadiator;
161 171
162 // create region for window inside windowR f 172 // create region for window inside windowR for
163 173
164 G4Region* radRegion = new G4Region("XTRradia 174 G4Region* radRegion = new G4Region("XTRradiator");
165 radRegion->AddRootLogicalVolume(logicRadiato 175 radRegion->AddRootLogicalVolume(logicRadiator);
166 176
167 // Drift Electrode on both sides of Radiator 177 // Drift Electrode on both sides of Radiator:
168 // (not placed) 178 // (not placed)
169 179
170 G4double zElectrode1 = radZ - radThick / 2. << 180 G4double zElectrode1 = radZ - radThick/2. - electrodeThick/2.;
171 G4double zElectrode2 = radZ + radThick / 2. << 181 G4double zElectrode2 = radZ + radThick/2. + electrodeThick/2.;
172 182
173 G4cout << "zElectrode1 = " << zElectrode1 / << 183 G4cout << "zElectrode1 = " << zElectrode1/mm << " mm" << G4endl;
174 G4cout << "zElectrode2 = " << zElectrode2 / << 184 G4cout << "zElectrode2 = " << zElectrode2/mm << " mm" << G4endl;
175 G4cout << "electrodeThick = " << electrodeTh << 185 G4cout << "electrodeThick = " << electrodeThick/mm << " mm" << G4endl << G4endl;
176 186
177 // Helium Pipe 187 // Helium Pipe
178 // (not placed) 188 // (not placed)
179 189
180 G4double pipeDist = 1. * cm; // Distance be << 190 G4double pipeDist = 1.*cm; //Distance between pipe and radiator / absorber
181 G4double zPipe = zElectrode2 + electrodeThic << 191 G4double zPipe = zElectrode2 + electrodeThick/2. + pipeLength/2. + pipeDist/2.;
182 192
183 G4cout << "zPipe = " << zPipe / mm << " mm" << 193 G4cout << "zPipe = " << zPipe/mm << " mm" << G4endl;
184 G4cout << "pipeLength = " << pipeLength / mm << 194 G4cout << "pipeLength = " << pipeLength/mm << " mm" << G4endl << G4endl;
185 195
186 // Mylar Foil on both sides of helium pipe 196 // Mylar Foil on both sides of helium pipe
187 // (not placed) 197 // (not placed)
188 198
189 G4double zMylar1 = zPipe - pipeLength / 2. - << 199 G4double zMylar1 = zPipe - pipeLength/2. - mylarThick/2 - 0.01*mm;
190 G4double zMylar2 = zPipe + pipeLength / 2. + << 200 G4double zMylar2 = zPipe + pipeLength/2. + mylarThick/2 + 0.01*mm;
191 <<
192 G4cout << "zMylar1 = " << zMylar1 / mm << " <<
193 G4cout << "zMylar2 = " << zMylar2 / mm << " <<
194 G4cout << "fMylarThick = " << mylarThick / m <<
195 201
>> 202 G4cout << "zMylar1 = " << zMylar1/mm << " mm" << G4endl;
>> 203 G4cout << "zMylar2 = " << zMylar2/mm << " mm" << G4endl;
>> 204 G4cout << "fMylarThick = " << mylarThick/mm << " mm" << G4endl << G4endl;
>> 205
196 // Mylar Foil on Chamber 206 // Mylar Foil on Chamber
197 // (not placed) 207 // (not placed)
198 208
199 G4double zMylar = zElectrode2 + electrodeThi << 209 G4double zMylar = zElectrode2 + electrodeThick/2. + mylarThick/2. + 1.0*mm;
200 zMylar += (pipeLength + pipeDist); << 210 zMylar += ( pipeLength + pipeDist );
201 << 211
202 G4cout << "zMylar = " << zMylar / mm << " mm << 212 G4cout << "zMylar = " << zMylar/mm <<" mm" <<G4endl;
203 G4cout << "mylarThick = " << mylarThick / mm << 213 G4cout << "mylarThick = " << mylarThick/mm << " mm" << G4endl << G4endl;
204 214
205 // Absorber 215 // Absorber
206 216
207 G4double absorberZ = zMylar + mylarThick / 2 << 217 G4double absorberZ = zMylar + mylarThick/2. + absorberThickness/2.;
208 218
209 G4VSolid* solidAbsorber = new G4Box("Absorbe << 219 G4VSolid* solidAbsorber
>> 220 = new G4Box("Absorber", 10.*mm, 10.*mm, absorberThickness/2.);
210 221
211 G4LogicalVolume* logicAbsorber = new G4Logic << 222 G4LogicalVolume* logicAbsorber
>> 223 = new G4LogicalVolume(solidAbsorber, absorberMaterial, "Absorber");
212 224
213 new G4PVPlacement(0, G4ThreeVector(0., 0., a << 225 new G4PVPlacement(0, G4ThreeVector(0., 0., absorberZ),
214 false, 0); << 226 "Absorber", logicAbsorber, physicsWorld, false, 0);
215 227
216 // Create region for radiator 228 // Create region for radiator
217 229
218 G4Region* regGasDet = new G4Region("XTRdEdxD 230 G4Region* regGasDet = new G4Region("XTRdEdxDetector");
219 regGasDet->AddRootLogicalVolume(logicAbsorbe 231 regGasDet->AddRootLogicalVolume(logicAbsorber);
220 232
221 // Sensitive Detectors: Absorber 233 // Sensitive Detectors: Absorber
222 234
223 SensitiveDetector* sd = new SensitiveDetecto 235 SensitiveDetector* sd = new SensitiveDetector("AbsorberSD");
224 G4SDManager::GetSDMpointer()->AddNewDetector << 236 G4SDManager::GetSDMpointer()->AddNewDetector(sd );
225 logicAbsorber->SetSensitiveDetector(sd); 237 logicAbsorber->SetSensitiveDetector(sd);
226 238
227 // Print geometry parameters 239 // Print geometry parameters
228 240
229 G4cout << "\n The WORLD is made of " << w << 241 G4cout << "\n The WORLD is made of "
230 << worldMaterial->GetName(); << 242 << worldSizeZ/mm << "mm of " << worldMaterial->GetName();
231 G4cout << ", the transverse size (R) of the << 243 G4cout << ", the transverse size (R) of the world is "
232 G4cout << " The ABSORBER is made of " << abs << 244 << worldSizeR/mm << " mm. " << G4endl;
233 << absorberMaterial->GetName(); << 245 G4cout << " The ABSORBER is made of "
234 G4cout << ", the transverse size (R) is " << << 246 << absorberThickness/mm << "mm of " << absorberMaterial->GetName();
235 G4cout << " Z position of the (middle of the << 247 G4cout << ", the transverse size (R) is "
>> 248 << absorberRadius/mm << " mm. " << G4endl;
>> 249 G4cout << " Z position of the (middle of the) absorber "
>> 250 << absorberZ/mm << " mm." << G4endl;
236 251
237 G4cout << "radZ = " << radZ / mm << " mm" << << 252 G4cout << "radZ = " << radZ/mm << " mm" << G4endl;
238 G4cout << "startZ = " << startZ / mm << " mm << 253 G4cout << "startZ = " << startZ/mm<< " mm" << G4endl;
239 254
240 G4cout << "fRadThick = " << radThick / mm << << 255 G4cout << "fRadThick = " << radThick/mm << " mm"<<G4endl;
241 G4cout << "fFoilNumber = " << foilNumber << 256 G4cout << "fFoilNumber = " << foilNumber << G4endl;
242 G4cout << "fRadiatorMat = " << radiatorMat-> 257 G4cout << "fRadiatorMat = " << radiatorMat->GetName() << G4endl;
243 G4cout << "WorldMaterial = " << worldMateria 258 G4cout << "WorldMaterial = " << worldMaterial->GetName() << G4endl;
244 G4cout << G4endl; 259 G4cout << G4endl;
245 260
246 return physicsWorld; 261 return physicsWorld;
247 } 262 }
248 263
249 //....oooOO0OOooo........oooOO0OOooo........oo 264 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
250 265