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26 /// \file electromagnetic/TestEm10/src/Detecto 26 /// \file electromagnetic/TestEm10/src/DetectorALICE06.cc
27 /// \brief Implementation of the DetectorALICE 27 /// \brief Implementation of the DetectorALICE06 class
28 // 28 //
29 // 29 //
>> 30 // $Id: DetectorALICE06.cc 72517 2013-07-24 23:01:29Z gum $
30 // 31 //
31 // 32 //
32 33
33 #include "DetectorALICE06.hh" 34 #include "DetectorALICE06.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 #include <cmath> 53 #include <cmath>
52 54
53 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
54 56
55 DetectorALICE06::DetectorALICE06() : fRadiator << 57 DetectorALICE06::DetectorALICE06()
>> 58 : fRadiatorDescription(0)
>> 59 {}
56 60
57 //....oooOO0OOooo........oooOO0OOooo........oo 61 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
58 62
59 DetectorALICE06::~DetectorALICE06() 63 DetectorALICE06::~DetectorALICE06()
60 { 64 {
61 // delete fRadiatorDescription; 65 // delete fRadiatorDescription;
62 // the description is deleted in detector co << 66 // the description is deleted in detector construction
63 } 67 }
64 68
65 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 70
67 G4VPhysicalVolume* DetectorALICE06::Construct( 71 G4VPhysicalVolume* DetectorALICE06::Construct()
68 { 72 {
69 // Geometry parameters 73 // Geometry parameters
70 // 74 //
71 75
72 G4cout << "DetectorALICE06 setup" << G4endl; 76 G4cout << "DetectorALICE06 setup" << G4endl;
73 77
74 G4double worldSizeZ = 600. * cm; << 78 G4double worldSizeZ = 600.*cm;
75 G4double worldSizeR = 22. * cm; << 79 G4double worldSizeR = 22.*cm;
76 80
77 // Radiator and detector parameters 81 // Radiator and detector parameters
78 82
79 G4double radThickness = 0.020 * mm; << 83 G4double radThickness = 0.020*mm;
80 G4double gasGap = 0.500 * mm; << 84 G4double gasGap = 0.500*mm;
81 G4double foilGasRatio = radThickness / (radT << 85 G4double foilGasRatio = radThickness/(radThickness+gasGap);
82 G4int foilNumber = 120; << 86 G4int foilNumber = 120;
83 << 87
84 G4double absorberThickness = 37 * mm; << 88 G4double absorberThickness = 37*mm;
85 G4double absorberRadius = 100. * mm; << 89 G4double absorberRadius = 100.*mm;
86 << 90
87 G4double electrodeThick = 100.0 * micrometer << 91 G4double electrodeThick = 100.0*micrometer;
88 G4double pipeLength = 160.0 * cm; << 92 G4double pipeLength = 160.0*cm;
89 G4double mylarThick = 20.0 * micrometer; << 93 G4double mylarThick = 20.0*micrometer;
90 G4double detGap = 0.01 * mm; << 94 G4double detGap = 0.01*mm;
91 95
92 G4double startZ = 100.0 * mm; << 96 G4double startZ = 100.0*mm;
93 97
94 // Materials 98 // Materials
95 // 99 //
96 100
97 // Change to create materials using NIST 101 // Change to create materials using NIST
98 G4Material* air = Materials::GetInstance()-> << 102 G4Material* air = Materials::GetInstance()->GetMaterial("Air");
99 G4Material* ch2 = Materials::GetInstance()-> << 103 G4Material* ch2 = Materials::GetInstance()->GetMaterial("CH2");
100 G4Material* xe15CO2 = Materials::GetInstance 104 G4Material* xe15CO2 = Materials::GetInstance()->GetMaterial("Xe15CO2");
101 105
102 G4double foilDensity = ch2->GetDensity(); 106 G4double foilDensity = ch2->GetDensity();
103 G4double gasDensity = air->GetDensity(); << 107 G4double gasDensity = air->GetDensity();
104 G4double totDensity = foilDensity * foilGasR << 108 G4double totDensity = foilDensity*foilGasRatio
>> 109 + gasDensity*(1.0-foilGasRatio);
105 110
106 G4double fractionFoil = foilDensity * foilGa << 111 G4double fractionFoil = foilDensity*foilGasRatio/totDensity;
107 G4double fractionGas = 1.0 - fractionFoil; << 112 G4double fractionGas = 1.0 - fractionFoil;
108 G4Material* radiatorMat = new G4Material("ra 113 G4Material* radiatorMat = new G4Material("radiatorMat", totDensity, 2);
109 radiatorMat->AddMaterial(ch2, fractionFoil); 114 radiatorMat->AddMaterial(ch2, fractionFoil);
110 radiatorMat->AddMaterial(air, fractionGas); 115 radiatorMat->AddMaterial(air, fractionGas);
111 116
112 // Radiator description 117 // Radiator description
113 fRadiatorDescription = new RadiatorDescripti 118 fRadiatorDescription = new RadiatorDescription;
114 fRadiatorDescription->fFoilMaterial = ch2; << 119 fRadiatorDescription->fFoilMaterial = ch2; // CH2; // Kapton; // Mylar ; // Li ; // CH2 ;
115 fRadiatorDescription->fGasMaterial = air; / << 120 fRadiatorDescription->fGasMaterial = air; // CO2; // He; //
116 fRadiatorDescription->fFoilThickness = radTh 121 fRadiatorDescription->fFoilThickness = radThickness;
117 fRadiatorDescription->fGasThickness = gasGap << 122 fRadiatorDescription->fGasThickness = gasGap;
118 fRadiatorDescription->fFoilNumber = foilNumb 123 fRadiatorDescription->fFoilNumber = foilNumber;
119 << 124
120 G4Material* worldMaterial = air; // CO2; << 125 G4Material* worldMaterial = air; // CO2;
121 G4Material* absorberMaterial = xe15CO2; 126 G4Material* absorberMaterial = xe15CO2;
122 127
123 // Volumes 128 // Volumes
124 // 129 //
>> 130
>> 131 G4VSolid* solidWorld
>> 132 = new G4Box("World", worldSizeR, worldSizeR, worldSizeZ/2.);
>> 133
>> 134 G4LogicalVolume* logicWorld
>> 135 = new G4LogicalVolume(solidWorld, worldMaterial, "World");
125 136
126 G4VSolid* solidWorld = new G4Box("World", wo << 137 G4VPhysicalVolume* physicsWorld
127 << 138 = new G4PVPlacement(0, G4ThreeVector(), "World", logicWorld, 0, false, 0);
128 G4LogicalVolume* logicWorld = new G4LogicalV <<
129 <<
130 G4VPhysicalVolume* physicsWorld = <<
131 new G4PVPlacement(0, G4ThreeVector(), "Wor <<
132 139
133 // TR radiator envelope 140 // TR radiator envelope
134 141
135 G4double radThick = foilNumber * (radThickne << 142 G4double radThick = foilNumber*(radThickness + gasGap) - gasGap + detGap;
136 G4double radZ = startZ + 0.5 * radThick; << 143 G4double radZ = startZ + 0.5*radThick;
137 <<
138 G4VSolid* solidRadiator = <<
139 new G4Box("Radiator", 1.1 * absorberRadius <<
140 <<
141 G4LogicalVolume* logicRadiator = new G4Logic <<
142 144
143 new G4PVPlacement(0, G4ThreeVector(0, 0, rad << 145 G4VSolid* solidRadiator
144 0); << 146 = new G4Box("Radiator", 1.1*absorberRadius, 1.1*absorberRadius, 0.5*radThick);
145 147
>> 148 G4LogicalVolume* logicRadiator
>> 149 = new G4LogicalVolume(solidRadiator, radiatorMat, "Radiator");
>> 150
>> 151 new G4PVPlacement(0, G4ThreeVector(0, 0, radZ),
>> 152 "Radiator", logicRadiator, physicsWorld, false, 0 );
>> 153
146 fRadiatorDescription->fLogicalVolume = logic 154 fRadiatorDescription->fLogicalVolume = logicRadiator;
147 155
148 // Create region for radiator 156 // Create region for radiator
149 157
150 G4Region* radRegion = new G4Region("XTRradia 158 G4Region* radRegion = new G4Region("XTRradiator");
151 radRegion->AddRootLogicalVolume(logicRadiato 159 radRegion->AddRootLogicalVolume(logicRadiator);
152 160
153 // Drift Electrode on both sides of Radiator 161 // Drift Electrode on both sides of Radiator
154 // (not placed) 162 // (not placed)
155 163
156 G4double zElectrode1 = radZ - radThick / 2. << 164 G4double zElectrode1 = radZ - radThick/2. - electrodeThick/2.;
157 G4double zElectrode2 = radZ + radThick / 2. << 165 G4double zElectrode2 = radZ + radThick/2. + electrodeThick/2.;
158 166
159 G4cout << "zElectrode1 = " << zElectrode1 / << 167 G4cout << "zElectrode1 = " << zElectrode1/mm << " mm" <<G4endl;
160 G4cout << "zElectrode2 = " << zElectrode2 / << 168 G4cout << "zElectrode2 = " << zElectrode2/mm << " mm" <<G4endl;
161 G4cout << "fElectrodeThick = " << electrodeT << 169 G4cout << "fElectrodeThick = " << electrodeThick/mm << " mm" << G4endl <<G4endl;
162 170
163 // Helium Pipe 171 // Helium Pipe
164 // (not placed) 172 // (not placed)
165 173
166 // Distance between pipe and radiator / abso << 174 //Distance between pipe and radiator / absorber
167 G4double pipeDist = 1. * cm; << 175 G4double pipeDist = 1.*cm;
168 G4double zPipe = zElectrode2 + electrodeThic << 176 G4double zPipe = zElectrode2 + electrodeThick/2. + pipeDist/2. + pipeLength/2.;
169 177
170 G4cout << "zPipe = " << zPipe / mm << " mm" << 178 G4cout << "zPipe = " << zPipe/mm << " mm" << G4endl;
171 G4cout << "pipeLength = " << pipeLength / mm << 179 G4cout << "pipeLength = " << pipeLength/mm <<" mm" << G4endl << G4endl;
172 180
173 // Mylar Foil on both sides of helium pipe 181 // Mylar Foil on both sides of helium pipe
174 // (not placed) 182 // (not placed)
175 183
176 G4double zMylar1 = zPipe - pipeLength / 2. - << 184 G4double zMylar1 = zPipe - pipeLength/2. - mylarThick/2. - 0.001*mm;
177 G4double zMylar2 = zPipe + pipeLength / 2. + << 185 G4double zMylar2 = zPipe + pipeLength/2. + mylarThick/2. + 0.001*mm;
178 186
179 G4cout << "zMylar1 = " << zMylar1 / mm << " << 187 G4cout << "zMylar1 = " << zMylar1/mm << " mm" << G4endl;
180 G4cout << "zMylar2 = " << zMylar2 / mm << " << 188 G4cout << "zMylar2 = " << zMylar2/mm << " mm" << G4endl;
181 G4cout << "fMylarThick = " << mylarThick / m << 189 G4cout << "fMylarThick = " << mylarThick/mm << " mm" << G4endl << G4endl;
182 190
183 // Mylar Foil on Chamber 191 // Mylar Foil on Chamber
184 // (not placed) 192 // (not placed)
185 193
186 G4double zMylar = zElectrode2 + electrodeThi << 194 G4double zMylar = zElectrode2 + electrodeThick/2. + mylarThick/2. + 1.0*mm;
187 zMylar += (pipeLength + pipeDist); << 195 zMylar += ( pipeLength + pipeDist );
188 196
189 G4cout << "zMylar = " << zMylar / mm << " mm << 197 G4cout << "zMylar = " << zMylar/mm <<" mm" <<G4endl;
190 G4cout << "mylarThick = " << mylarThick / mm << 198 G4cout << "mylarThick = " << mylarThick/mm << " mm" << G4endl << G4endl;
191 199
192 // Absorber 200 // Absorber
193 201
194 G4double absorberZ = zMylar + mylarThick + a << 202 G4double absorberZ = zMylar + mylarThick + absorberThickness/2.;
195 203
196 G4VSolid* solidAbsorber = new G4Box("Absorbe << 204 G4VSolid* solidAbsorber
>> 205 = new G4Box("Absorber", absorberRadius, 10.*mm, absorberThickness/2.);
197 206
198 G4LogicalVolume* logicAbsorber = new G4Logic << 207 G4LogicalVolume* logicAbsorber
>> 208 = new G4LogicalVolume(solidAbsorber, absorberMaterial, "Absorber");
199 209
200 new G4PVPlacement(0, G4ThreeVector(0., 0., a << 210 new G4PVPlacement(0, G4ThreeVector(0., 0., absorberZ),
201 false, 0); << 211 "Absorber", logicAbsorber, physicsWorld, false, 0);
202 212
203 G4Region* regGasDet = new G4Region("XTRdEdxD 213 G4Region* regGasDet = new G4Region("XTRdEdxDetector");
204 regGasDet->AddRootLogicalVolume(logicAbsorbe 214 regGasDet->AddRootLogicalVolume(logicAbsorber);
205 215
206 // Sensitive Detectors: Absorber 216 // Sensitive Detectors: Absorber
207 217
208 SensitiveDetector* sd = new SensitiveDetecto 218 SensitiveDetector* sd = new SensitiveDetector("AbsorberSD");
209 G4SDManager::GetSDMpointer()->AddNewDetector << 219 G4SDManager::GetSDMpointer()->AddNewDetector(sd );
210 logicAbsorber->SetSensitiveDetector(sd); 220 logicAbsorber->SetSensitiveDetector(sd);
211 221
212 // Print geometry parameters 222 // Print geometry parameters
213 223
214 G4cout << "\n The WORLD is made of " << w << 224 G4cout << "\n The WORLD is made of "
215 << worldMaterial->GetName(); << 225 << worldSizeZ/mm << "mm of " << worldMaterial->GetName();
216 G4cout << ", the transverse size (R) of the << 226 G4cout << ", the transverse size (R) of the world is "
217 G4cout << " The ABSORBER is made of " << abs << 227 << worldSizeR/mm << " mm. " << G4endl;
218 << absorberMaterial->GetName(); << 228 G4cout << " The ABSORBER is made of "
219 G4cout << ", the transverse size (R) is " << << 229 << absorberThickness/mm << "mm of " << absorberMaterial->GetName();
220 G4cout << " Z position of the (middle of the << 230 G4cout << ", the transverse size (R) is "
>> 231 << absorberRadius/mm << " mm. " << G4endl;
>> 232 G4cout << " Z position of the (middle of the) absorber "
>> 233 << absorberZ/mm << " mm." << G4endl;
221 234
222 G4cout << "radZ = " << radZ / mm << " mm" << << 235 G4cout << "radZ = " << radZ/mm << " mm" << G4endl;
223 G4cout << "startZ = " << startZ / mm << " mm << 236 G4cout << "startZ = " << startZ/mm<< " mm" << G4endl;
224 237
225 G4cout << "fRadThick = " << radThick / mm << << 238 G4cout << "fRadThick = " << radThick/mm << " mm"<<G4endl;
226 G4cout << "fFoilNumber = " << foilNumber << 239 G4cout << "fFoilNumber = " << foilNumber << G4endl;
227 G4cout << "fRadiatorMat = " << radiatorMat-> 240 G4cout << "fRadiatorMat = " << radiatorMat->GetName() << G4endl;
228 G4cout << "WorldMaterial = " << worldMateria 241 G4cout << "WorldMaterial = " << worldMaterial->GetName() << G4endl;
229 G4cout << G4endl; 242 G4cout << G4endl;
230 243
231 return physicsWorld; 244 return physicsWorld;
232 } 245 }
233 246
234 //....oooOO0OOooo........oooOO0OOooo........oo 247 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
235 248