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26 /// \file electromagnetic/TestEm10/src/Detecto 26 /// \file electromagnetic/TestEm10/src/DetectorSimpleALICE.cc
27 /// \brief Implementation of the DetectorSimpl 27 /// \brief Implementation of the DetectorSimpleALICE class
28 // 28 //
29 // 29 //
30 // 30 //
31 // 31 //
32 32
33 #include "DetectorSimpleALICE.hh" 33 #include "DetectorSimpleALICE.hh"
34 <<
35 #include "Materials.hh" <<
36 #include "SensitiveDetector.hh" 34 #include "SensitiveDetector.hh"
>> 35 #include "Materials.hh"
37 36
>> 37 #include "G4Material.hh"
38 #include "G4Box.hh" 38 #include "G4Box.hh"
39 #include "G4FieldManager.hh" <<
40 #include "G4LogicalVolume.hh" 39 #include "G4LogicalVolume.hh"
41 #include "G4Material.hh" <<
42 #include "G4PVPlacement.hh" 40 #include "G4PVPlacement.hh"
43 #include "G4Region.hh" <<
44 #include "G4SDManager.hh" <<
45 #include "G4SystemOfUnits.hh" <<
46 #include "G4TransportationManager.hh" <<
47 #include "G4UniformMagField.hh" 41 #include "G4UniformMagField.hh"
>> 42 #include "G4FieldManager.hh"
>> 43 #include "G4TransportationManager.hh"
>> 44 #include "G4SDManager.hh"
>> 45
>> 46 #include "G4Region.hh"
>> 47
48 #include "G4UnitsTable.hh" 48 #include "G4UnitsTable.hh"
>> 49 #include "G4SystemOfUnits.hh"
49 #include "G4ios.hh" 50 #include "G4ios.hh"
50 51
51 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52 53
53 DetectorSimpleALICE::DetectorSimpleALICE() : f << 54 DetectorSimpleALICE::DetectorSimpleALICE()
>> 55 : fRadiatorDescription(0)
>> 56 {}
54 57
55 //....oooOO0OOooo........oooOO0OOooo........oo 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 59
57 DetectorSimpleALICE::~DetectorSimpleALICE() 60 DetectorSimpleALICE::~DetectorSimpleALICE()
58 { 61 {
59 // delete fRadiatorDescription; 62 // delete fRadiatorDescription;
60 // the description is deleted in detector co << 63 // the description is deleted in detector construction
61 } 64 }
62 65
63 //....oooOO0OOooo........oooOO0OOooo........oo 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
64 67
65 G4VPhysicalVolume* DetectorSimpleALICE::Constr 68 G4VPhysicalVolume* DetectorSimpleALICE::Construct()
66 { 69 {
67 // Geometry parameters 70 // Geometry parameters
68 // 71 //
69 72
70 G4cout << "DetectorSimpleALICE setup" << G4e 73 G4cout << "DetectorSimpleALICE setup" << G4endl;
71 74
72 G4double worldSizeZ = 400. * cm; << 75 G4double worldSizeZ = 400.*cm;
73 G4double worldSizeR = 20. * cm; << 76 G4double worldSizeR = 20.*cm;
74 77
75 // Radiator and detector parameters 78 // Radiator and detector parameters
76 79
77 G4double radThickness = 0.020 * mm; << 80 G4double radThickness = 0.020*mm;
78 G4double gasGap = 0.250 * mm; << 81 G4double gasGap = 0.250*mm;
79 G4double foilGasRatio = radThickness / (radT << 82 G4double foilGasRatio = radThickness/(radThickness+gasGap);
80 G4int foilNumber = 220; << 83 G4int foilNumber = 220;
81 << 84
82 G4double absorberThickness = 38.3 * mm; << 85 G4double absorberThickness = 38.3*mm;
83 G4double absorberRadius = 100. * mm; << 86 G4double absorberRadius = 100.*mm;
84 << 87
85 G4double windowThick = 51.0 * micrometer; << 88 G4double windowThick = 51.0*micrometer;
86 G4double electrodeThick = 10.0 * micrometer; << 89 G4double electrodeThick = 10.0*micrometer;
87 G4double gapThick = 10.0 * cm; << 90 G4double gapThick = 10.0*cm;
88 G4double detGap = 0.01 * mm; << 91 G4double detGap = 0.01*mm;
89 92
90 G4double startZ = 100.0 * mm; << 93 G4double startZ = 100.0*mm;
91 94
92 // Materials 95 // Materials
93 // 96 //
94 97
95 // Change to create materials using NIST 98 // Change to create materials using NIST
96 G4Material* air = Materials::GetInstance()-> << 99 G4Material* air = Materials::GetInstance()->GetMaterial("Air");
97 G4Material* mylar = Materials::GetInstance() 100 G4Material* mylar = Materials::GetInstance()->GetMaterial("Mylar");
98 G4Material* xe15CO2 = Materials::GetInstance 101 G4Material* xe15CO2 = Materials::GetInstance()->GetMaterial("Xe15CO2");
99 102
100 G4double foilDensity = mylar->GetDensity(); 103 G4double foilDensity = mylar->GetDensity();
101 G4double gasDensity = air->GetDensity(); << 104 G4double gasDensity = air->GetDensity();
102 G4double totDensity = foilDensity * foilGasR << 105 G4double totDensity = foilDensity*foilGasRatio
>> 106 + gasDensity*(1.0-foilGasRatio);
103 107
104 G4double fractionFoil = foilDensity * foilGa << 108 G4double fractionFoil = foilDensity*foilGasRatio/totDensity;
105 G4double fractionGas = gasDensity * (1.0 - f << 109 G4double fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity;
106 110
107 G4Material* radiatorMat = new G4Material("ra 111 G4Material* radiatorMat = new G4Material("radiatorMat", totDensity, 2);
108 radiatorMat->AddMaterial(mylar, fractionFoil 112 radiatorMat->AddMaterial(mylar, fractionFoil);
109 radiatorMat->AddMaterial(air, fractionGas); 113 radiatorMat->AddMaterial(air, fractionGas);
110 114
111 // Radiator description 115 // Radiator description
112 fRadiatorDescription = new RadiatorDescripti 116 fRadiatorDescription = new RadiatorDescription;
113 fRadiatorDescription->fFoilMaterial = mylar; << 117 fRadiatorDescription->fFoilMaterial = mylar;
114 // CH2; // Kapton; // Mylar ; // Li ; // CH2 118 // CH2; // Kapton; // Mylar ; // Li ; // CH2 ;
115 fRadiatorDescription->fGasMaterial = air; / << 119 fRadiatorDescription->fGasMaterial = air; // CO2; // He; //
116 fRadiatorDescription->fFoilThickness = radTh 120 fRadiatorDescription->fFoilThickness = radThickness;
117 fRadiatorDescription->fGasThickness = gasGap << 121 fRadiatorDescription->fGasThickness = gasGap;
118 fRadiatorDescription->fFoilNumber = foilNumb 122 fRadiatorDescription->fFoilNumber = foilNumber;
119 123
120 G4Material* worldMaterial = air; // CO2; << 124 G4Material* worldMaterial = air; // CO2;
121 G4Material* absorberMaterial = xe15CO2; 125 G4Material* absorberMaterial = xe15CO2;
122 126
123 // Volumes 127 // Volumes
124 // 128 //
>> 129
>> 130 G4VSolid* solidWorld
>> 131 = new G4Box("World", worldSizeR, worldSizeR, worldSizeZ/2.);
>> 132
>> 133 G4LogicalVolume* logicWorld
>> 134 = new G4LogicalVolume(solidWorld, worldMaterial, "World");
125 135
126 G4VSolid* solidWorld = new G4Box("World", wo << 136 G4VPhysicalVolume* physicsWorld
127 << 137 = new G4PVPlacement(0, G4ThreeVector(), "World", logicWorld, 0, false, 0);
128 G4LogicalVolume* logicWorld = new G4LogicalV <<
129 <<
130 G4VPhysicalVolume* physicsWorld = <<
131 new G4PVPlacement(0, G4ThreeVector(), "Wor <<
132 138
133 // TR radiator envelope 139 // TR radiator envelope
134 140
135 G4double radThick = foilNumber * (radThickne << 141 G4double radThick = foilNumber*(radThickness + gasGap) - gasGap + detGap;
136 G4double radZ = startZ + 0.5 * radThick; << 142 G4double radZ = startZ + 0.5*radThick;
137 <<
138 G4VSolid* solidRadiator = <<
139 new G4Box("Radiator", 1.1 * absorberRadius <<
140 <<
141 G4LogicalVolume* logicRadiator = new G4Logic <<
142 143
143 new G4PVPlacement(0, G4ThreeVector(0, 0, rad << 144 G4VSolid* solidRadiator
144 0); << 145 = new G4Box("Radiator", 1.1*absorberRadius, 1.1*absorberRadius,
>> 146 0.5*radThick);
>> 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 );
145 153
146 fRadiatorDescription->fLogicalVolume = logic 154 fRadiatorDescription->fLogicalVolume = logicRadiator;
147 155
148 // create region for window inside windowR f 156 // create region for window inside windowR for
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 // Absorber 161 // Absorber
154 162
155 G4VSolid* solidAbsorber = << 163 G4VSolid* solidAbsorber
156 new G4Box("Absorber", absorberRadius, abso << 164 = new G4Box("Absorber", absorberRadius, absorberRadius,
157 << 165 absorberThickness/2.);
158 G4LogicalVolume* logicAbsorber = new G4Logic << 166
159 << 167 G4LogicalVolume* logicAbsorber
160 G4double windowZ = startZ + radThick + windo << 168 = new G4LogicalVolume(solidAbsorber, absorberMaterial, "Absorber");
161 G4double gapZ = windowZ + windowThick / 2. + << 169
162 G4double electrodeZ = gapZ + gapThick / 2. + << 170 G4double windowZ = startZ + radThick + windowThick/2. + 15.0*mm;
163 G4double absorberZ = electrodeZ + electrodeT << 171 G4double gapZ = windowZ + windowThick/2. + gapThick/2. + 0.01*mm;
>> 172 G4double electrodeZ = gapZ + gapThick/2. + electrodeThick/2. + 0.01*mm;
>> 173 G4double absorberZ = electrodeZ + electrodeThick/2.
>> 174 + absorberThickness/2. + 0.01*mm;
164 175
165 new G4PVPlacement(0, G4ThreeVector(0., 0., a << 176 new G4PVPlacement(0, G4ThreeVector(0., 0., absorberZ),
166 false, 0); << 177 "Absorber", logicAbsorber, physicsWorld, false, 0);
167 178
168 G4Region* regGasDet = new G4Region("XTRdEdxD 179 G4Region* regGasDet = new G4Region("XTRdEdxDetector");
169 regGasDet->AddRootLogicalVolume(logicAbsorbe 180 regGasDet->AddRootLogicalVolume(logicAbsorber);
170 181
171 // Sensitive Detectors: Absorber 182 // Sensitive Detectors: Absorber
172 183
173 SensitiveDetector* sd = new SensitiveDetecto 184 SensitiveDetector* sd = new SensitiveDetector("AbsorberSD");
174 G4SDManager::GetSDMpointer()->AddNewDetector << 185 G4SDManager::GetSDMpointer()->AddNewDetector(sd );
175 logicAbsorber->SetSensitiveDetector(sd); 186 logicAbsorber->SetSensitiveDetector(sd);
176 187
177 // Print geometry parameters 188 // Print geometry parameters
178 189
179 G4cout << "\n The WORLD is made of " << w << 190 G4cout << "\n The WORLD is made of "
180 << worldMaterial->GetName(); << 191 << worldSizeZ/mm << "mm of " << worldMaterial->GetName();
181 G4cout << ", the transverse size (R) of the << 192 G4cout << ", the transverse size (R) of the world is "
182 G4cout << " The ABSORBER is made of " << abs << 193 << worldSizeR/mm << " mm. " << G4endl;
183 << absorberMaterial->GetName(); << 194 G4cout << " The ABSORBER is made of "
184 G4cout << ", the transverse size (R) is " << << 195 << absorberThickness/mm << "mm of " << absorberMaterial->GetName();
185 G4cout << " Z position of the (middle of the << 196 G4cout << ", the transverse size (R) is "
>> 197 << absorberRadius/mm << " mm. " << G4endl;
>> 198 G4cout << " Z position of the (middle of the) absorber "
>> 199 << absorberZ/mm << " mm." << G4endl;
186 200
187 G4cout << "radZ = " << radZ / mm << " mm" << << 201 G4cout << "radZ = " << radZ/mm << " mm" << G4endl;
188 G4cout << "startZ = " << startZ / mm << " mm << 202 G4cout << "startZ = " << startZ/mm<< " mm" << G4endl;
189 203
190 G4cout << "fRadThick = " << radThick / mm << << 204 G4cout << "fRadThick = " << radThick/mm << " mm"<<G4endl;
191 G4cout << "fFoilNumber = " << foilNumber << 205 G4cout << "fFoilNumber = " << foilNumber << G4endl;
192 G4cout << "fRadiatorMat = " << radiatorMat-> 206 G4cout << "fRadiatorMat = " << radiatorMat->GetName() << G4endl;
193 G4cout << "WorldMaterial = " << worldMateria 207 G4cout << "WorldMaterial = " << worldMaterial->GetName() << G4endl;
194 G4cout << G4endl; 208 G4cout << G4endl;
195 209
196 return physicsWorld; 210 return physicsWorld;
197 } 211 }
198 212
199 //....oooOO0OOooo........oooOO0OOooo........oo 213 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
200 214