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26 /// \file electromagnetic/TestEm10/src/Detecto 26 /// \file electromagnetic/TestEm10/src/DetectorBarr90.cc
27 /// \brief Implementation of the DetectorBarr9 27 /// \brief Implementation of the DetectorBarr90 class
28 // 28 //
29 // 29 //
30 // 30 //
31 // 31 //
32 32
33 #include "DetectorBarr90.hh" 33 #include "DetectorBarr90.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 DetectorBarr90::DetectorBarr90() : fRadiatorDe << 54 DetectorBarr90::DetectorBarr90()
>> 55 : fRadiatorDescription(0)
>> 56 {}
54 57
55 //....oooOO0OOooo........oooOO0OOooo........oo 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 59
57 DetectorBarr90::~DetectorBarr90() 60 DetectorBarr90::~DetectorBarr90()
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* DetectorBarr90::Construct() 68 G4VPhysicalVolume* DetectorBarr90::Construct()
66 { 69 {
67 // Geometry parameters 70 // Geometry parameters
68 // 71 //
69 72
70 G4cout << "DetectorBarr90 setup" << G4endl; 73 G4cout << "DetectorBarr90 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 = 0.019 * mm; << 80 G4double radThickness = 0.019*mm;
78 G4double gasGap = 0.6 * mm; << 81 G4double gasGap = 0.6*mm;
79 G4double foilGasRatio = radThickness / (radT << 82 G4double foilGasRatio = radThickness/(radThickness+gasGap);
80 G4double foilNumber = 350; << 83 G4double foilNumber = 350;
81 << 84
82 G4double absorberThickness = 50.0 * mm; << 85 G4double absorberThickness = 50.0*mm;
83 G4double absorberRadius = 100. * mm; << 86 G4double absorberRadius = 100.*mm;
84 << 87
85 G4double electrodeThick = 10.0 * micrometer; << 88 G4double electrodeThick = 10.0*micrometer;
86 G4double windowThick = 51.0 * micrometer; << 89 G4double windowThick = 51.0*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 <<
90 G4double startZ = 100.0 * mm; <<
91 92
>> 93 G4double startZ = 100.0*mm;
>> 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* ch2 = Materials::GetInstance()-> 100 G4Material* ch2 = Materials::GetInstance()->GetMaterial("CH2");
98 G4Material* co2 = Materials::GetInstance()-> 101 G4Material* co2 = Materials::GetInstance()->GetMaterial("CO2");
99 G4Material* xe55he15ch4 = Materials::GetInst 102 G4Material* xe55he15ch4 = Materials::GetInstance()->GetMaterial("Xe55He15CH4");
100 103
101 G4double foilDensity = ch2->GetDensity(); 104 G4double foilDensity = ch2->GetDensity();
102 G4double gasDensity = co2->GetDensity(); << 105 G4double gasDensity = co2->GetDensity();
103 G4double totDensity = foilDensity * foilGasR << 106 G4double totDensity = foilDensity*foilGasRatio
>> 107 + gasDensity*(1.0-foilGasRatio);
104 108
105 G4double fractionFoil = foilDensity * foilGa << 109 G4double fractionFoil = foilDensity*foilGasRatio/totDensity;
106 G4double fractionGas = gasDensity * (1.0 - f << 110 G4double fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity;
107 G4Material* radiatorMat = new G4Material("ra 111 G4Material* radiatorMat = new G4Material("radiatorMat", totDensity, 2);
108 radiatorMat->AddMaterial(ch2, fractionFoil); 112 radiatorMat->AddMaterial(ch2, fractionFoil);
109 radiatorMat->AddMaterial(co2, fractionGas); 113 radiatorMat->AddMaterial(co2, fractionGas);
110 114
111 // Radiator description 115 // Radiator description
112 fRadiatorDescription = new RadiatorDescripti 116 fRadiatorDescription = new RadiatorDescription;
113 fRadiatorDescription->fFoilMaterial = ch2; << 117 fRadiatorDescription->fFoilMaterial = ch2; // CH2; // Kapton; // Mylar ; // Li ; // CH2 ;
114 fRadiatorDescription->fGasMaterial = co2; / << 118 fRadiatorDescription->fGasMaterial = co2; // CO2; // He; //
115 fRadiatorDescription->fFoilThickness = radTh 119 fRadiatorDescription->fFoilThickness = radThickness;
116 fRadiatorDescription->fGasThickness = gasGap << 120 fRadiatorDescription->fGasThickness = gasGap;
117 fRadiatorDescription->fFoilNumber = foilNumb 121 fRadiatorDescription->fFoilNumber = foilNumber;
118 122
119 G4Material* worldMaterial = air; // CO2; << 123 G4Material* worldMaterial = air; // CO2;
120 G4Material* absorberMaterial = xe55he15ch4; 124 G4Material* absorberMaterial = xe55he15ch4;
121 125
122 // Volumes 126 // Volumes
123 // 127 //
>> 128
>> 129 G4VSolid* solidWorld
>> 130 = new G4Box("World", worldSizeR, worldSizeR, worldSizeZ/2.);
>> 131
>> 132 G4LogicalVolume* logicWorld
>> 133 = new G4LogicalVolume(solidWorld, worldMaterial, "World");
124 134
125 G4VSolid* solidWorld = new G4Box("World", wo << 135 G4VPhysicalVolume* physicsWorld
126 << 136 = new G4PVPlacement(0, G4ThreeVector(), "World", logicWorld, 0, false, 0);
127 G4LogicalVolume* logicWorld = new G4LogicalV <<
128 <<
129 G4VPhysicalVolume* physicsWorld = <<
130 new G4PVPlacement(0, G4ThreeVector(), "Wor <<
131 137
132 // TR radiator envelope 138 // TR radiator envelope
133 139
134 G4double radThick = foilNumber * (radThickne << 140 G4double radThick = foilNumber*(radThickness + gasGap) - gasGap + detGap;
135 G4double radZ = startZ + 0.5 * radThick; << 141 G4double radZ = startZ + 0.5*radThick;
136 142
137 G4VSolid* solidRadiator = << 143 G4VSolid* solidRadiator
138 new G4Box("Radiator", 1.1 * absorberRadius << 144 = new G4Box("Radiator", 1.1*absorberRadius, 1.1*absorberRadius, 0.5*radThick);
139 145
140 G4LogicalVolume* logicRadiator = new G4Logic << 146 G4LogicalVolume* logicRadiator
141 << 147 = new G4LogicalVolume(solidRadiator, radiatorMat, "Radiator");
142 new G4PVPlacement(0, G4ThreeVector(0, 0, rad << 148
143 0); << 149 new G4PVPlacement(0, G4ThreeVector(0, 0, radZ),
>> 150 "Radiator", logicRadiator, physicsWorld, false, 0 );
144 151
145 fRadiatorDescription->fLogicalVolume = logic 152 fRadiatorDescription->fLogicalVolume = logicRadiator;
146 153
147 // create region for radiator 154 // create region for radiator
148 155
149 G4Region* radRegion = new G4Region("XTRradia 156 G4Region* radRegion = new G4Region("XTRradiator");
150 radRegion->AddRootLogicalVolume(logicRadiato 157 radRegion->AddRootLogicalVolume(logicRadiator);
151 158
152 G4double windowZ = startZ + radThick + windo << 159 G4double windowZ = startZ + radThick + windowThick/2. + 15.0*mm;
153 160
154 G4double gapZ = windowZ + windowThick / 2. + << 161 G4double gapZ = windowZ + windowThick/2. + gapThick/2. + 0.01*mm;
155 162
156 G4double electrodeZ = gapZ + gapThick / 2. + << 163 G4double electrodeZ = gapZ + gapThick/2. + electrodeThick/2. + 0.01*mm;
157 164
158 // Absorber 165 // Absorber
159 166
160 G4double absorberZ = electrodeZ + electrodeT << 167 G4double absorberZ = electrodeZ + electrodeThick/2. +
>> 168 + absorberThickness/2. + 0.01*mm;
161 169
162 G4VSolid* solidAbsorber = << 170 G4VSolid* solidAbsorber
163 new G4Box("Absorber", absorberRadius, abso << 171 = new G4Box("Absorber", absorberRadius, absorberRadius, absorberThickness/2.);
164 172
165 G4LogicalVolume* logicAbsorber = new G4Logic << 173 G4LogicalVolume* logicAbsorber
>> 174 = new G4LogicalVolume(solidAbsorber, absorberMaterial, "Absorber");
166 175
167 new G4PVPlacement(0, G4ThreeVector(0., 0., a << 176 new G4PVPlacement(0, G4ThreeVector(0., 0., absorberZ),
168 false, 0); << 177 "Absorber", logicAbsorber, physicsWorld, false, 0);
169 178
170 G4Region* regGasDet = new G4Region("XTRdEdxD 179 G4Region* regGasDet = new G4Region("XTRdEdxDetector");
171 regGasDet->AddRootLogicalVolume(logicAbsorbe 180 regGasDet->AddRootLogicalVolume(logicAbsorber);
172 181
173 // Sensitive Detectors: Absorber 182 // Sensitive Detectors: Absorber
174 183
175 SensitiveDetector* sd = new SensitiveDetecto 184 SensitiveDetector* sd = new SensitiveDetector("AbsorberSD");
176 G4SDManager::GetSDMpointer()->AddNewDetector << 185 G4SDManager::GetSDMpointer()->AddNewDetector(sd );
177 logicAbsorber->SetSensitiveDetector(sd); 186 logicAbsorber->SetSensitiveDetector(sd);
178 187
179 // Print geometry parameters 188 // Print geometry parameters
180 189
181 G4cout << "\n The WORLD is made of " << w << 190 G4cout << "\n The WORLD is made of "
182 << worldMaterial->GetName(); << 191 << worldSizeZ/mm << "mm of " << worldMaterial->GetName();
183 G4cout << ", the transverse size (R) of the << 192 G4cout << ", the transverse size (R) of the world is "
184 G4cout << " The ABSORBER is made of " << abs << 193 << worldSizeR/mm << " mm. " << G4endl;
185 << absorberMaterial->GetName(); << 194 G4cout << " The ABSORBER is made of "
186 G4cout << ", the transverse size (R) is " << << 195 << absorberThickness/mm << "mm of " << absorberMaterial->GetName();
187 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;
188 200
189 G4cout << "radZ = " << radZ / mm << " mm" << << 201 G4cout << "radZ = " << radZ/mm << " mm" << G4endl;
190 G4cout << "startZ = " << startZ / mm << " mm << 202 G4cout << "startZ = " << startZ/mm<< " mm" << G4endl;
191 203
192 G4cout << "fRadThick = " << radThick / mm << << 204 G4cout << "fRadThick = " << radThick/mm << " mm"<<G4endl;
193 G4cout << "fFoilNumber = " << foilNumber << 205 G4cout << "fFoilNumber = " << foilNumber << G4endl;
194 G4cout << "fRadiatorMat = " << radiatorMat-> 206 G4cout << "fRadiatorMat = " << radiatorMat->GetName() << G4endl;
195 G4cout << "WorldMaterial = " << worldMateria 207 G4cout << "WorldMaterial = " << worldMaterial->GetName() << G4endl;
196 G4cout << G4endl; 208 G4cout << G4endl;
197 209
198 return physicsWorld; 210 return physicsWorld;
199 } 211 }
200 212
201 //....oooOO0OOooo........oooOO0OOooo........oo 213 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 214
202 215