Geant4  9.6.p02
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B02DetectorConstruction.cc
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28 //
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30 // $Id$
31 //
32 #include "G4Types.hh"
33 #include "globals.hh"
34 
36 
37 #include "G4Material.hh"
38 #include "G4Box.hh"
39 #include "G4Tubs.hh"
40 #include "G4LogicalVolume.hh"
41 #include "G4ThreeVector.hh"
42 #include "G4PVPlacement.hh"
43 #include "G4VisAttributes.hh"
44 #include "G4Colour.hh"
45 #include "G4PhysicalConstants.hh"
46 #include "G4SystemOfUnits.hh"
47 
48 // for importance biasing
49 #include "G4IStore.hh"
50 
51 // For Primitive Scorers
52 #include "G4SDManager.hh"
54 #include "G4SDParticleFilter.hh"
55 #include "G4PSNofCollision.hh"
56 #include "G4PSPopulation.hh"
57 #include "G4PSTrackCounter.hh"
58 #include "G4PSTrackLength.hh"
59 
60 
62 {;}
63 
65 {;}
66 
68 {
69  G4double pos_x;
70  G4double pos_y;
71  G4double pos_z;
72 
73  G4double density, pressure, temperature;
74  G4double A;
75  G4int Z;
76 
78  G4double z;
79  G4double fractionmass;
80 
81  A = 1.01*g/mole;
82  G4Element* elH = new G4Element(name="Hydrogen",symbol="H" , Z= 1, A);
83 
84  A = 12.01*g/mole;
85  G4Element* elC = new G4Element(name="Carbon" ,symbol="C" , Z = 6, A);
86 
87  A = 16.00*g/mole;
88  G4Element* elO = new G4Element(name="Oxygen" ,symbol="O" , Z= 8, A);
89 
90  A = 22.99*g/mole;
91  G4Element* elNa = new G4Element(name="Natrium" ,symbol="Na" , Z=11 , A);
92 
93  A = 200.59*g/mole;
94  G4Element* elHg = new G4Element(name="Hg" ,symbol="Hg" , Z=80, A);
95 
96  A = 26.98*g/mole;
97  G4Element* elAl = new G4Element(name="Aluminium" ,symbol="Al" , Z=13, A);
98 
99  A = 28.09*g/mole;
100  G4Element* elSi = new G4Element(name="Silicon", symbol="Si", Z=14, A);
101 
102  A = 39.1*g/mole;
103  G4Element* elK = new G4Element(name="K" ,symbol="K" , Z=19 , A);
104 
105  A = 69.72*g/mole;
106  G4Element* elCa = new G4Element(name="Calzium" ,symbol="Ca" , Z=31 , A);
107 
108  A = 55.85*g/mole;
109  G4Element* elFe = new G4Element(name="Iron" ,symbol="Fe", Z=26, A);
110 
111  density = universe_mean_density; //from PhysicalConstants.h
112  pressure = 3.e-18*pascal;
113  temperature = 2.73*kelvin;
114  G4Material *Galactic =
115  new G4Material(name="Galactic", z=1., A=1.01*g/mole, density,
116  kStateGas,temperature,pressure);
117 
118  density = 2.03*g/cm3;
119  G4Material* Concrete = new G4Material("Concrete", density, 10);
120  Concrete->AddElement(elH , fractionmass= 0.01);
121  Concrete->AddElement(elO , fractionmass= 0.529);
122  Concrete->AddElement(elNa , fractionmass= 0.016);
123  Concrete->AddElement(elHg , fractionmass= 0.002);
124  Concrete->AddElement(elAl , fractionmass= 0.034);
125  Concrete->AddElement(elSi , fractionmass= 0.337);
126  Concrete->AddElement(elK , fractionmass= 0.013);
127  Concrete->AddElement(elCa , fractionmass= 0.044);
128  Concrete->AddElement(elFe , fractionmass= 0.014);
129  Concrete->AddElement(elC , fractionmass= 0.001);
130 
131 
132 
133 
134 
135 
136 
137 
138 
139 
140 
141 
142 
143 
144 
146  // world cylinder volume
148 
149  // world solid
150 
151  G4double innerRadiusCylinder = 0*cm;
152  G4double outerRadiusCylinder = 101*cm; // dont't have scoring
153  // cells coinside eith world volume boundary
154  G4double hightCylinder = 105*cm;
155  G4double startAngleCylinder = 0*deg;
156  G4double spanningAngleCylinder = 360*deg;
157 
158  G4Tubs *worldCylinder = new G4Tubs("worldCylinder",
159  innerRadiusCylinder,
160  outerRadiusCylinder,
161  hightCylinder,
162  startAngleCylinder,
163  spanningAngleCylinder);
164 
165  // logical world
166 
167  G4LogicalVolume *worldCylinder_log =
168  new G4LogicalVolume(worldCylinder, Galactic, "worldCylinder_log");
169 
170  name = "shieldWorld";
171  G4VPhysicalVolume *pWorldVolume = new
172  G4PVPlacement(0, G4ThreeVector(0,0,0), worldCylinder_log,
173  name, 0, false, 0);
174 
175 
176  // creating 18 slobs of 10 cm thick concrete
177 
178  G4double innerRadiusShield = 0*cm;
179  G4double outerRadiusShield = 100*cm;
180  G4double hightShield = 90*cm;
181  G4double startAngleShield = 0*deg;
182  G4double spanningAngleShield = 360*deg;
183 
184  G4Tubs *aShield = new G4Tubs("aShield",
185  innerRadiusShield,
186  outerRadiusShield,
187  hightShield,
188  startAngleShield,
189  spanningAngleShield);
190 
191  // logical shield
192 
193  G4LogicalVolume *aShield_log =
194  new G4LogicalVolume(aShield, Concrete, "aShield_log");
195 
196  G4VisAttributes* pShieldVis = new
197  G4VisAttributes(G4Colour(0.0,0.0,1.0));
198  pShieldVis->SetForceSolid(true);
199  aShield_log->SetVisAttributes(pShieldVis);
200 
201  // physical shields
202 
203  name = "concreteShield";
204 
205  pos_x = 0*cm;
206  pos_y = 0*cm;
207  pos_z = 0;
208 
209  new G4PVPlacement(0,
210  G4ThreeVector(pos_x, pos_y, pos_z),
211  aShield_log,
212  name,
213  worldCylinder_log,
214  false,
215  0);
216 
217 
218  return pWorldVolume;
219 }
220 
221 
223  return pWorldVolume;
224 }
225 
226 
228  return *pWorldVolume;
229 }