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25 //
26 /// \file DetectorConstruction.cc
27 /// \brief Implementation of the DetectorConst
28 //
29 //
30
31 //....oooOO0OOooo........oooOO0OOooo........oo
32 //....oooOO0OOooo........oooOO0OOooo........oo
33
34 #include "DetectorConstruction.hh"
35
36 #include "DetectorMessenger.hh"
37 #include "PrimaryGeneratorAction.hh"
38
39 #include "G4Box.hh"
40 #include "G4FieldManager.hh"
41 #include "G4GeometryManager.hh"
42 #include "G4LogicalVolume.hh"
43 #include "G4LogicalVolumeStore.hh"
44 #include "G4Material.hh"
45 #include "G4NistManager.hh"
46 #include "G4PVPlacement.hh"
47 #include "G4PhysicalConstants.hh"
48 #include "G4PhysicalVolumeStore.hh"
49 #include "G4RunManager.hh"
50 #include "G4SolidStore.hh"
51 #include "G4SystemOfUnits.hh"
52 #include "G4ThreeVector.hh"
53 #include "G4TransportationManager.hh"
54 #include "G4Tubs.hh"
55 #include "G4UniformMagField.hh"
56 #include "globals.hh"
57
58 //....oooOO0OOooo........oooOO0OOooo........oo
59
60 DetectorConstruction::DetectorConstruction()
61 : G4VUserDetectorConstruction(),
62 fTargetMaterial(nullptr),
63 fLogicExperimentalHall(nullptr),
64 fPhysExperimentalHall(nullptr),
65 fLogicTargetLayer(nullptr),
66 fPhysTargetLayer(nullptr),
67 fFieldMgr(nullptr),
68 fUniformMagField(nullptr),
69 fDetectorMessenger(nullptr),
70 fTargetInnerRadius(9.0 * mm),
71 fTargetOuterRadius(11.0 * mm) //***LOOKHE
72 {
73 fFieldMgr = G4TransportationManager::GetTran
74 //***LOOKHERE*** Default material
75 fTargetMaterial = G4NistManager::Instance()-
76 fDetectorMessenger = new DetectorMessenger(t
77 }
78
79 //....oooOO0OOooo........oooOO0OOooo........oo
80
81 DetectorConstruction::~DetectorConstruction()
82 {
83 delete fUniformMagField;
84 delete fDetectorMessenger;
85 }
86
87 //....oooOO0OOooo........oooOO0OOooo........oo
88
89 G4VPhysicalVolume* DetectorConstruction::Const
90 {
91 return ConstructLayer();
92 }
93
94 //....oooOO0OOooo........oooOO0OOooo........oo
95
96 G4VPhysicalVolume* DetectorConstruction::Const
97 {
98 // Clean old geometry, if any
99 G4GeometryManager::GetInstance()->OpenGeomet
100 G4PhysicalVolumeStore::GetInstance()->Clean(
101 G4LogicalVolumeStore::GetInstance()->Clean()
102 G4SolidStore::GetInstance()->Clean();
103 // The geometry consists of a cylinder with
104 // positioned at the center, (0.0, 0.0, 0.0)
105 // its material can be set via UI commands.
106 // The world volume (experimental hall) is a
107 // and it is filled of "G4_Galactic" materia
108 const G4double halfLength = 1.0 * m; //***L
109 const G4double expHall_x = 1.01 * halfLength
110 const G4double expHall_y = 1.01 * halfLength
111 const G4double expHall_z = 1.01 * halfLength
112 G4Material* vacuum = G4NistManager::Instance
113 G4Box* experimentalHallBox = new G4Box("expH
114 fLogicExperimentalHall = new G4LogicalVolume
115
116
117
118
119
120 fPhysExperimentalHall = new G4PVPlacement(0,
121 G4
122 "e
123 fL
124 0,
125 fa
126 0)
127 // Cylinder along the z-axis, with inner and
128 G4Tubs* solidTargetLayer = new G4Tubs("solid
129 fTarge
130 fTarge
131 halfLe
132 0.0,
133 2.0 *
134 fLogicTargetLayer = new G4LogicalVolume(soli
135 fTar
136 "log
137 0,
138 0,
139 0);
140 fPhysTargetLayer = new G4PVPlacement(0, //
141 G4Three
142 "physTa
143 fLogicT
144 fPhysEx
145 false,
146 0); //
147 PrintParameters();
148 G4cout << G4endl << "DetectorConstruction::C
149 << "\t World (box) size: " << G4endl
150 << "\t y : -/+ " << expHall_y << " mm
151 << "\t z : -/+ " << expHall_z << " mm
152 << "\t Layer (cylinder) size : " << G
153 << " , " << fTargetOuterRadius << " m
154 << "\t \t length (along z) : " << 2.0
155 << G4endl;
156 return fPhysExperimentalHall;
157 }
158
159 //....oooOO0OOooo........oooOO0OOooo........oo
160
161 void DetectorConstruction::SetTargetMaterial(c
162 {
163 fTargetMaterial = G4NistManager::Instance()-
164 if (!fTargetMaterial) {
165 G4cout << G4endl << G4endl << "WARNING: th
166 << G4endl << " ===> the default
167 //***LOOKHERE*** Default material
168 fTargetMaterial = G4NistManager::Instance(
169 }
170 if (fLogicTargetLayer) fLogicTargetLayer->Se
171 }
172
173 //....oooOO0OOooo........oooOO0OOooo........oo
174
175 void DetectorConstruction::UpdateGeometry()
176 {
177 G4RunManager::GetRunManager()->ReinitializeG
178 PrintParameters();
179 // Update also the position of the gun
180 const PrimaryGeneratorAction* pPrimaryAction
181 G4RunManager::GetRunManager()->GetUserPrim
182 if (pPrimaryAction) pPrimaryAction->SetGunPo
183 }
184
185 //....oooOO0OOooo........oooOO0OOooo........oo
186
187 void DetectorConstruction::PrintParameters()
188 {
189 G4cout << G4endl << G4endl << " ------ Dete
190 << " Material = " << fTarg
191 << " Target Inner Radius = " << fTarg
192 << " Target Outer Radius = " << fTarg
193 << " B [T] = "
194 << (fUniformMagField ? fUniformMagFie
195 : G4ThreeVector(
196 << G4endl << " ----------------------
197 << G4endl;
198 }
199
200 //....oooOO0OOooo........oooOO0OOooo........oo
201
202 void DetectorConstruction::SetMagField(const G
203 {
204 if (fUniformMagField) delete fUniformMagFiel
205 if (std::abs(fieldValue) > 0.0) {
206 // Apply a global uniform magnetic field a
207 fUniformMagField = new G4UniformMagField(G
208 fFieldMgr->SetDetectorField(fUniformMagFie
209 fFieldMgr->CreateChordFinder(fUniformMagFi
210 }
211 }
212
213 //....oooOO0OOooo........oooOO0OOooo........oo
214