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26 /// \file electromagnetic/TestEm10/src/Detecto 26 /// \file electromagnetic/TestEm10/src/DetectorHarris73.cc
27 /// \brief Implementation of the DetectorHarri 27 /// \brief Implementation of the DetectorHarris73 class
28 // 28 //
29 // 29 //
>> 30 // $Id: DetectorHarris73.cc 72517 2013-07-24 23:01:29Z gum $
30 // 31 //
31 // 32 //
32 33
33 #include "DetectorHarris73.hh" 34 #include "DetectorHarris73.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 DetectorHarris73::DetectorHarris73() : fRadiat << 55 DetectorHarris73::DetectorHarris73()
>> 56 : fRadiatorDescription(0)
>> 57 {}
54 58
55 //....oooOO0OOooo........oooOO0OOooo........oo 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 60
57 DetectorHarris73::~DetectorHarris73() 61 DetectorHarris73::~DetectorHarris73()
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* DetectorHarris73::Construct 69 G4VPhysicalVolume* DetectorHarris73::Construct()
66 { 70 {
67 // Geometry parameters 71 // Geometry parameters
68 // 72 //
69 73
70 G4cout << "DetectorHarris73 setup" << G4endl 74 G4cout << "DetectorHarris73 setup" << G4endl;
71 75
72 G4double worldSizeZ = 400. * cm; << 76 G4double worldSizeZ = 400.*cm;
73 G4double worldSizeR = 20. * cm; << 77 G4double worldSizeR = 20.*cm;
74 78
75 // Radiator and detector parameters 79 // Radiator and detector parameters
76 80
77 G4double radThickness = 0.0127 * mm; << 81 G4double radThickness = 0.0127*mm;
78 G4double gasGap = 0.762 * mm; << 82 G4double gasGap = 0.762*mm;
79 G4double foilGasRatio = radThickness / (radT << 83 G4double foilGasRatio = radThickness/(radThickness+gasGap);
80 G4double foilNumber = 100; << 84 G4double foilNumber = 100;
81 << 85
82 G4double absorberThickness = 15.0 * mm; << 86 G4double absorberThickness = 15.0*mm;
83 G4double absorberRadius = 100. * mm; << 87 G4double absorberRadius = 100.*mm;
84 << 88
85 G4double windowThick = 51.0 * micrometer; << 89 G4double windowThick = 51.0*micrometer;
86 G4double electrodeThick = 10.0 * micrometer; << 90 G4double electrodeThick = 10.0*micrometer;
87 G4double gapThick = 10.0 * cm; << 91 G4double gapThick = 10.0*cm;
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 // Materials 96 // Materials
93 // 97 //
94 98
95 // Change to create materials using NIST 99 // Change to create materials using NIST
96 G4Material* air = Materials::GetInstance()-> << 100 G4Material* air = Materials::GetInstance()->GetMaterial("Air");
97 G4Material* mylar = Materials::GetInstance() 101 G4Material* mylar = Materials::GetInstance()->GetMaterial("Mylar");
98 G4Material* kr7ch4 = Materials::GetInstance( 102 G4Material* kr7ch4 = Materials::GetInstance()->GetMaterial("Kr7CH4");
99 103
100 // Preparation of mixed radiator material << 104 // Preparation of mixed radiator material
101 105
102 G4double foilDensity = mylar->GetDensity(); 106 G4double foilDensity = mylar->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 = gasDensity * (1.0 - f << 112 G4double fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity;
108 G4Material* radiatorMat = new G4Material("ra 113 G4Material* radiatorMat = new G4Material("radiatorMat", totDensity, 2);
109 radiatorMat->AddMaterial(mylar, fractionFoil 114 radiatorMat->AddMaterial(mylar, 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 = mylar; << 119 fRadiatorDescription->fFoilMaterial = mylar; // 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 = kr7ch4; 126 G4Material* absorberMaterial = kr7ch4;
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 <<
140 144
141 G4LogicalVolume* logicRadiator = new G4Logic << 145 G4VSolid* solidRadiator
>> 146 = new G4Box("Radiator", 1.1*absorberRadius, 1.1*absorberRadius, 0.5*radThick);
142 147
>> 148 G4LogicalVolume* logicRadiator
>> 149 = new G4LogicalVolume(solidRadiator, radiatorMat, "Radiator");
>> 150
143 fRadiatorDescription->fLogicalVolume = logic 151 fRadiatorDescription->fLogicalVolume = logicRadiator;
144 << 152
145 new G4PVPlacement(0, G4ThreeVector(0, 0, rad << 153 new G4PVPlacement(0, G4ThreeVector(0, 0, radZ),
146 0); << 154 "Radiator", logicRadiator, physicsWorld, false, 0 );
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 G4double windowZ = startZ + radThick + windo << 161 G4double windowZ = startZ + radThick + windowThick/2. + 15.0*mm;
154 162
155 G4double gapZ = windowZ + windowThick / 2. + << 163 G4double gapZ = windowZ + windowThick/2. + gapThick/2. + 0.01*mm;
156 164
157 G4double electrodeZ = gapZ + gapThick / 2. + << 165 G4double electrodeZ = gapZ + gapThick/2. + electrodeThick/2. + 0.01*mm;
158 166
159 // Absorber 167 // Absorber
160 168
161 G4double absorberZ = electrodeZ + electrodeT << 169 G4double absorberZ = electrodeZ + electrodeThick/2.
>> 170 + absorberThickness/2. + 0.01*mm;
162 171
163 G4VSolid* solidAbsorber = << 172 G4VSolid* solidAbsorber
164 new G4Box("Absorber", absorberRadius, abso << 173 = new G4Box("Absorber", absorberRadius, absorberRadius, absorberThickness/2.);
165 174
166 G4LogicalVolume* logicAbsorber = new G4Logic << 175 G4LogicalVolume* logicAbsorber
>> 176 = new G4LogicalVolume(solidAbsorber, absorberMaterial, "Absorber");
167 177
168 new G4PVPlacement(0, G4ThreeVector(0., 0., a << 178 new G4PVPlacement(0, G4ThreeVector(0., 0., absorberZ),
169 false, 0); << 179 "Absorber", logicAbsorber, physicsWorld, false, 0);
170 180
171 G4Region* regGasDet = new G4Region("XTRdEdxD 181 G4Region* regGasDet = new G4Region("XTRdEdxDetector");
172 regGasDet->AddRootLogicalVolume(logicAbsorbe 182 regGasDet->AddRootLogicalVolume(logicAbsorber);
173 183
174 // Sensitive Detectors: Absorber 184 // Sensitive Detectors: Absorber
175 185
176 SensitiveDetector* sd = new SensitiveDetecto 186 SensitiveDetector* sd = new SensitiveDetector("AbsorberSD");
177 G4SDManager::GetSDMpointer()->AddNewDetector << 187 G4SDManager::GetSDMpointer()->AddNewDetector(sd );
178 logicAbsorber->SetSensitiveDetector(sd); 188 logicAbsorber->SetSensitiveDetector(sd);
179 189
180 // Print geometry parameters 190 // Print geometry parameters
181 191
182 G4cout << "\n The WORLD is made of " << w << 192 G4cout << "\n The WORLD is made of "
183 << worldMaterial->GetName(); << 193 << worldSizeZ/mm << "mm of " << worldMaterial->GetName();
184 G4cout << ", the transverse size (R) of the << 194 G4cout << ", the transverse size (R) of the world is "
185 G4cout << " The ABSORBER is made of " << abs << 195 << worldSizeR/mm << " mm. " << G4endl;
186 << absorberMaterial->GetName(); << 196 G4cout << " The ABSORBER is made of "
187 G4cout << ", the transverse size (R) is " << << 197 << absorberThickness/mm << "mm of " << absorberMaterial->GetName();
188 G4cout << " Z position of the (middle of the << 198 G4cout << ", the transverse size (R) is "
>> 199 << absorberRadius/mm << " mm. " << G4endl;
>> 200 G4cout << " Z position of the (middle of the) absorber "
>> 201 << absorberZ/mm << " mm." << G4endl;
189 202
190 G4cout << "radZ = " << radZ / mm << " mm" << << 203 G4cout << "radZ = " << radZ/mm << " mm" << G4endl;
191 G4cout << "startZ = " << startZ / mm << " mm << 204 G4cout << "startZ = " << startZ/mm<< " mm" << G4endl;
192 205
193 G4cout << "fRadThick = " << radThick / mm << << 206 G4cout << "fRadThick = " << radThick/mm << " mm"<<G4endl;
194 G4cout << "fFoilNumber = " << foilNumber << 207 G4cout << "fFoilNumber = " << foilNumber << G4endl;
195 G4cout << "fRadiatorMat = " << radiatorMat-> 208 G4cout << "fRadiatorMat = " << radiatorMat->GetName() << G4endl;
196 G4cout << "WorldMaterial = " << worldMateria 209 G4cout << "WorldMaterial = " << worldMaterial->GetName() << G4endl;
197 G4cout << G4endl; 210 G4cout << G4endl;
198 211
199 return physicsWorld; 212 return physicsWorld;
200 } 213 }
201 214
202 //....oooOO0OOooo........oooOO0OOooo........oo 215 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 216
203 217