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DetectorConstruction.cc
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33 
34 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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36 
37 #include "DetectorConstruction.hh"
38 #include "DetectorMessenger.hh"
39 
40 #include "G4Material.hh"
41 #include "G4NistManager.hh"
42 #include "G4Box.hh"
43 #include "G4LogicalVolume.hh"
44 #include "G4PVPlacement.hh"
45 
46 #include "G4GeometryManager.hh"
47 #include "G4PhysicalVolumeStore.hh"
48 #include "G4LogicalVolumeStore.hh"
49 #include "G4SolidStore.hh"
50 
51 #include "G4UnitsTable.hh"
52 #include "G4SystemOfUnits.hh"
53 
54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55 
56 DetectorConstruction::DetectorConstruction()
57 :G4VUserDetectorConstruction(),
58  fBox(nullptr),fMaterial(nullptr)
59 {
60  fBoxSize = 1*mm;
61  DefineMaterials();
62  SetMaterial("Germanium");
63  fDetectorMessenger = new DetectorMessenger(this);
64 }
65 
66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 
68 DetectorConstruction::~DetectorConstruction()
69 { delete fDetectorMessenger;}
70 
71 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
72 
73 void DetectorConstruction::DefineMaterials()
74 {
75  //
76  // define Elements
77  //
78  G4double z,a;
79 
80  G4Element* H = new G4Element("Hydrogen" ,"H" , z= 1., a= 1.01*g/mole);
81  G4Element* C = new G4Element("Carbon" ,"C" , z= 6., a= 12.01*g/mole);
82  G4Element* N = new G4Element("Nitrogen" ,"N" , z= 7., a= 14.01*g/mole);
83  G4Element* O = new G4Element("Oxygen" ,"O" , z= 8., a= 16.00*g/mole);
84  G4Element* Ge = new G4Element("Germanium","Ge", z=32., a= 72.59*g/mole);
85  G4Element* Pb = new G4Element("Lead" ,"Pb", z=82., a= 207.19*g/mole);
86  G4Element* Bi = new G4Element("Bismuth" ,"Bi", z=83., a= 208.98*g/mole);
87 
88  //
89  // define materials
90  //
91  G4double density;
92  G4int ncomponents, natoms;
93  G4double fractionmass;
94 
95  G4Material* Air =
96  new G4Material("Air", density= 1.290*mg/cm3, ncomponents=2);
97  Air->AddElement(N, fractionmass=70.*perCent);
98  Air->AddElement(O, fractionmass=30.*perCent);
99 
100  G4Material* H2l =
101  new G4Material("H2liquid", density= 70.8*mg/cm3, ncomponents=1);
102  H2l->AddElement(H, fractionmass=1.);
103 
104  G4Material* H2O =
105  new G4Material("Water", density= 1.000*g/cm3, ncomponents=2);
106  H2O->AddElement(H, natoms=2);
107  H2O->AddElement(O, natoms=1);
109  H2O->GetIonisation()->SetMeanExcitationEnergy(78.0*eV);
110 
111  G4Material* steam =
112  new G4Material("WaterSteam", density= 1.0*mg/cm3, ncomponents=1);
113  steam->AddMaterial(H2O, fractionmass=1.);
114  steam->GetIonisation()->SetMeanExcitationEnergy(71.6*eV);
115 
116  G4Material* BGO =
117  new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3);
118  BGO->AddElement(O , natoms=12);
119  BGO->AddElement(Ge, natoms= 3);
120  BGO->AddElement(Bi, natoms= 4);
121 
122  new G4Material("Aluminium" , z=13., a= 26.98*g/mole, density= 2.700*g/cm3);
123  new G4Material("Silicon" , z=14., a= 28.09*g/mole, density= 2.330*g/cm3);
124  new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3);
125  new G4Material("Iron" , z=26., a= 55.85*g/mole, density= 7.870*g/cm3);
126  new G4Material("Copper" , z=29., a= 63.55*g/mole, density= 8.960*g/cm3);
127  new G4Material("Germanium" , z=32., a= 72.61*g/mole, density= 5.323*g/cm3);
128  new G4Material("Silver" , z=47., a=107.87*g/mole, density= 10.50*g/cm3);
129  new G4Material("Tungsten" , z=74., a=183.85*g/mole, density= 19.30*g/cm3);
130  new G4Material("Lead" , z=82., a=207.19*g/mole, density= 11.35*g/cm3);
131  new G4Material("Uranium" , z=92., a=238.03*g/mole, density= 18.95*g/cm3);
132 
133  G4Material* ams =
134  new G4Material("ams", density= 7.409*g/cm3, ncomponents=3);
135  ams->AddElement(Pb, fractionmass = 94.81*perCent);
136  ams->AddElement(C , fractionmass = 4.79*perCent);
137  ams->AddElement(H , fractionmass = 0.40*perCent);
138 
139  G4Material* argonGas =
140  new G4Material("ArgonGas", z=18, a=39.948*g/mole, density= 1.782*mg/cm3,
141  kStateGas, 273.15*kelvin, 1*atmosphere);
142 
143  G4Material* butane =
144  new G4Material("Isobutane",density= 2.42*mg/cm3, ncomponents=2,
145  kStateGas,273.15*kelvin, 1*atmosphere);
146  butane->AddElement(C, natoms=4);
147  butane->AddElement(H, natoms=10);
148 
149  G4Material* ArButane =
150  new G4Material("ArgonButane", density= 1.835*mg/cm3, ncomponents=2,
151  kStateGas,273.15*kelvin,1.*atmosphere);
152  ArButane->AddMaterial(argonGas, fractionmass=70*perCent);
153  ArButane->AddMaterial(butane , fractionmass=30*perCent);
154 
155  G4cout << *(G4Material::GetMaterialTable()) << G4endl;
156 }
157 
158 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
159 
160 G4VPhysicalVolume* DetectorConstruction::Construct()
161 {
162  // the geometry is created once
163  if(fBox) { return fBox; }
164 
165  G4Box*
166  sBox = new G4Box("Container", //its name
167  fBoxSize/2,fBoxSize/2,fBoxSize/2); //its dimensions
168 
169  G4LogicalVolume*
170  lBox = new G4LogicalVolume(sBox, //its shape
171  fMaterial, //its material
172  fMaterial->GetName()); //its name
173 
174  fBox = new G4PVPlacement(0, //no rotation
175  G4ThreeVector(0.,0.,0.), //at (0,0,0)
176  lBox, //its logical volume
177  fMaterial->GetName(), //its name
178  0, //its mother volume
179  false, //no boolean operation
180  0); //copy number
181 
182  //always return the root volume
183  //
184  return fBox;
185 }
186 
187 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
188 
189 void DetectorConstruction::PrintParameters() const
190 {
191  G4cout << "\n The Box is " << G4BestUnit(fBoxSize,"Length")
192  << " of " << fMaterial->GetName() << G4endl;
193 }
194 
195 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
196 
197 #include "G4RunManager.hh"
198 
199 void DetectorConstruction::SetMaterial(const G4String& materialChoice)
200 {
201  // search the material by its name, or build it from nist data base
202  G4Material* pttoMaterial =
203  G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
204 
205  if (pttoMaterial) {
206  fMaterial = pttoMaterial;
207  if(fBox) { fBox->GetLogicalVolume()->SetMaterial(fMaterial); }
208  G4RunManager::GetRunManager()->PhysicsHasBeenModified();
209  } else {
210  G4cout << "\n--> warning from DetectorConstruction::SetMaterial : "
211  << materialChoice << " not found" << G4endl;
212  }
213 }
214 
215 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......