TestEm0/src/DetectorConstruction.cc

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0026 /// \file DetectorConstruction.cc
0027 /// \brief Implementation of the DetectorConstruction class
0028
0029 #include "DetectorConstruction.hh"
0030
0031 #include "DetectorMessenger.hh"
0032
0033 #include "G4Box.hh"
0034 #include "G4GeometryManager.hh"
0035 #include "G4LogicalVolume.hh"
0036 #include "G4LogicalVolumeStore.hh"
0037 #include "G4Material.hh"
0038 #include "G4NistManager.hh"
0039 #include "G4PVPlacement.hh"
0040 #include "G4PhysicalVolumeStore.hh"
0041 #include "G4SolidStore.hh"
0042 #include "G4SystemOfUnits.hh"
0043 #include "G4UnitsTable.hh"
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046
0047 DetectorConstruction::DetectorConstruction()
0048 {
0049   fBoxSize = 1 * mm;
0050   DefineMaterials();
0051   SetMaterial("Germanium");
0052   fDetectorMessenger = new DetectorMessenger(this);
0053 }
0054
0055 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0056
0057 DetectorConstruction::~DetectorConstruction()
0058 {
0059   delete fDetectorMessenger;
0060 }
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 void DetectorConstruction::DefineMaterials()
0065 {
0066   //
0067   // define Elements
0068   //
0069   G4double z, a;
0070
0071   G4Element* H = new G4Element("Hydrogen", "H", z = 1., a = 1.01 * g / mole);
0072   G4Element* C = new G4Element("Carbon", "C", z = 6., a = 12.01 * g / mole);
0073   G4Element* N = new G4Element("Nitrogen", "N", z = 7., a = 14.01 * g / mole);
0074   G4Element* O = new G4Element("Oxygen", "O", z = 8., a = 16.00 * g / mole);
0075   G4Element* Ge = new G4Element("Germanium", "Ge", z = 32., a = 72.59 * g / mole);
0076   G4Element* Pb = new G4Element("Lead", "Pb", z = 82., a = 207.19 * g / mole);
0077   G4Element* Bi = new G4Element("Bismuth", "Bi", z = 83., a = 208.98 * g / mole);
0078
0079   //
0080   // define materials
0081   //
0082   G4double density;
0083   G4int ncomponents, natoms;
0084   G4double fractionmass;
0085
0086   G4Material* Air = new G4Material("Air", density = 1.290 * mg / cm3, ncomponents = 2);
0087   Air->AddElement(N, fractionmass = 70. * perCent);
0088   Air->AddElement(O, fractionmass = 30. * perCent);
0089
0090   G4Material* H2l = new G4Material("H2liquid", density = 70.8 * mg / cm3, ncomponents = 1);
0091   H2l->AddElement(H, fractionmass = 1.);
0092
0093   G4Material* H2O = new G4Material("Water", density = 1.000 * g / cm3, ncomponents = 2);
0094   H2O->AddElement(H, natoms = 2);
0095   H2O->AddElement(O, natoms = 1);
0096   /// H2O->SetChemicalFormula("H_2O");
0097   H2O->GetIonisation()->SetMeanExcitationEnergy(78.0 * eV);
0098
0099   G4Material* steam = new G4Material("WaterSteam", density = 1.0 * mg / cm3, ncomponents = 1);
0100   steam->AddMaterial(H2O, fractionmass = 1.);
0101   steam->GetIonisation()->SetMeanExcitationEnergy(71.6 * eV);
0102
0103   G4Material* BGO = new G4Material("BGO", density = 7.10 * g / cm3, ncomponents = 3);
0104   BGO->AddElement(O, natoms = 12);
0105   BGO->AddElement(Ge, natoms = 3);
0106   BGO->AddElement(Bi, natoms = 4);
0107
0108   new G4Material("Aluminium", z = 13., a = 26.98 * g / mole, density = 2.700 * g / cm3);
0109   new G4Material("Silicon", z = 14., a = 28.09 * g / mole, density = 2.330 * g / cm3);
0110   new G4Material("liquidArgon", z = 18., a = 39.95 * g / mole, density = 1.390 * g / cm3);
0111   new G4Material("Iron", z = 26., a = 55.85 * g / mole, density = 7.870 * g / cm3);
0112   new G4Material("Copper", z = 29., a = 63.55 * g / mole, density = 8.960 * g / cm3);
0113   new G4Material("Germanium", z = 32., a = 72.61 * g / mole, density = 5.323 * g / cm3);
0114   new G4Material("Silver", z = 47., a = 107.87 * g / mole, density = 10.50 * g / cm3);
0115   new G4Material("Tungsten", z = 74., a = 183.85 * g / mole, density = 19.30 * g / cm3);
0116   new G4Material("Lead", z = 82., a = 207.19 * g / mole, density = 11.35 * g / cm3);
0117   new G4Material("Uranium", z = 92., a = 238.03 * g / mole, density = 18.95 * g / cm3);
0118
0119   G4Material* ams = new G4Material("ams", density = 7.409 * g / cm3, ncomponents = 3);
0120   ams->AddElement(Pb, fractionmass = 94.81 * perCent);
0121   ams->AddElement(C, fractionmass = 4.79 * perCent);
0122   ams->AddElement(H, fractionmass = 0.40 * perCent);
0123
0124   G4Material* argonGas =
0125     new G4Material("ArgonGas", z = 18, a = 39.948 * g / mole, density = 1.782 * mg / cm3, kStateGas,
0126                    273.15 * kelvin, 1 * atmosphere);
0127
0128   G4Material* butane = new G4Material("Isobutane", density = 2.42 * mg / cm3, ncomponents = 2,
0129                                       kStateGas, 273.15 * kelvin, 1 * atmosphere);
0130   butane->AddElement(C, natoms = 4);
0131   butane->AddElement(H, natoms = 10);
0132
0133   G4Material* ArButane = new G4Material("ArgonButane", density = 1.835 * mg / cm3, ncomponents = 2,
0134                                         kStateGas, 273.15 * kelvin, 1. * atmosphere);
0135   ArButane->AddMaterial(argonGas, fractionmass = 70 * perCent);
0136   ArButane->AddMaterial(butane, fractionmass = 30 * perCent);
0137
0138   /// exercise: Xenon gas
0139   //
0140   G4Element* Xe = new G4Element("Xenon", "Xe", z = 54., a = 131.29 * g / mole);
0141
0142   // XenonGas0 (NTP)
0143   G4double temperature0 = 293.15 * kelvin;
0144   G4double pressure0 = 1 * atmosphere;
0145   G4double density0 = 2.953 * mg / cm3;
0146   G4Material* matXe0 =
0147     new G4Material("XenonGas0", density0, ncomponents = 1, kStateGas, temperature0, pressure0);
0148   matXe0->AddElement(Xe, natoms = 1);
0149
0150   // XenonGas1
0151   G4double temperature1 = 293.15 * kelvin;
0152   G4double pressure1 = 50 * atmosphere;
0153   G4double density1 = density0 * (pressure1 / pressure0) * (temperature0 / temperature1);
0154   G4Material* matXe1 =
0155     new G4Material("XenonGas1", density1, ncomponents = 1, kStateGas, temperature1, pressure1);
0156   matXe1->AddElement(Xe, natoms = 1);
0157
0158   ////G4cout << *(G4Material::GetMaterialTable()) << G4endl;
0159 }
0160
0161 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0162
0163 G4VPhysicalVolume* DetectorConstruction::Construct()
0164 {
0165   // the geometry is created once
0166   if (fBox) {
0167     return fBox;
0168   }
0169
0170   G4Box* sBox = new G4Box("Container",  // its name
0171                           fBoxSize / 2, fBoxSize / 2, fBoxSize / 2);  // its dimensions
0172
0173   G4LogicalVolume* lBox = new G4LogicalVolume(sBox,  // its shape
0174                                               fMaterial,  // its material
0175                                               fMaterial->GetName());  // its name
0176
0177   fBox = new G4PVPlacement(0,  // no rotation
0178                            G4ThreeVector(0., 0., 0.),  // at (0,0,0)
0179                            lBox,  // its logical volume
0180                            fMaterial->GetName(),  // its name
0181                            0,  // its mother  volume
0182                            false,  // no boolean operation
0183                            0);  // copy number
0184
0185   // always return the root volume
0186   //
0187   return fBox;
0188 }
0189
0190 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0191
0192 void DetectorConstruction::PrintParameters() const
0193 {
0194   G4cout << "\n The Box is " << G4BestUnit(fBoxSize, "Length") << " of " << fMaterial->GetName()
0195          << G4endl;
0196 }
0197
0198 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0199
0200 #include "G4RunManager.hh"
0201
0202 void DetectorConstruction::SetMaterial(const G4String& materialChoice)
0203 {
0204   // search the material by its name, or build it from nist data base
0205   G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
0206
0207   if (pttoMaterial) {
0208     fMaterial = pttoMaterial;
0209     if (fBox) {
0210       fBox->GetLogicalVolume()->SetMaterial(fMaterial);
0211     }
0212     G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0213     G4cout << "\n " << fMaterial << G4endl;
0214   }
0215   else {
0216     G4cout << "\n--> warning from DetectorConstruction::SetMaterial : " << materialChoice
0217            << " not found" << G4endl;
0218   }
0219 }
0220
0221 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......