Gabriele Cosmo
199 lines
7.2 KiB
C++
199 lines
7.2 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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//
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "DetectorConstruction.hh"
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#include "DetectorMessenger.hh"
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#include "G4Material.hh"
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#include "G4NistManager.hh"
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#include "G4Box.hh"
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#include "G4LogicalVolume.hh"
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#include "G4PVPlacement.hh"
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#include "G4GeometryManager.hh"
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#include "G4PhysicalVolumeStore.hh"
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#include "G4LogicalVolumeStore.hh"
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#include "G4SolidStore.hh"
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#include "G4UnitsTable.hh"
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#include "G4SystemOfUnits.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::DetectorConstruction()
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:pBox(0), aMaterial(0)
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{
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BoxSize = 1*mm;
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DefineMaterials();
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SetMaterial("Germanium");
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detectorMessenger = new DetectorMessenger(this);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::~DetectorConstruction()
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{ delete detectorMessenger;}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* DetectorConstruction::Construct()
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{
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return ConstructVolumes();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::DefineMaterials()
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{
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//
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// define Elements
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//
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G4double z,a;
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G4Element* H = new G4Element("Hydrogen" ,"H" , z= 1., a= 1.01*g/mole);
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G4Element* N = new G4Element("Nitrogen" ,"N" , z= 7., a= 14.01*g/mole);
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G4Element* O = new G4Element("Oxygen" ,"O" , z= 8., a= 16.00*g/mole);
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G4Element* Ge = new G4Element("Germanium","Ge", z=32., a= 72.59*g/mole);
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G4Element* Bi = new G4Element("Bismuth" ,"Bi", z=83., a= 208.98*g/mole);
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//
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// define materials
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//
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G4double density;
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G4int ncomponents, natoms;
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G4double fractionmass;
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G4Material* Air =
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new G4Material("Air", density= 1.290*mg/cm3, ncomponents=2);
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Air->AddElement(N, fractionmass=70.*perCent);
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Air->AddElement(O, fractionmass=30.*perCent);
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G4Material* H2l =
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new G4Material("H2liquid", density= 70.8*mg/cm3, ncomponents=1);
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H2l->AddElement(H, fractionmass=1.);
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G4Material* H2O =
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new G4Material("Water", density= 1.000*g/cm3, ncomponents=2);
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H2O->AddElement(H, natoms=2);
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H2O->AddElement(O, natoms=1);
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///H2O->SetChemicalFormula("H_2O");
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H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV);
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G4Material* steam =
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new G4Material("WaterSteam", density= 1.0*mg/cm3, ncomponents=1);
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steam->AddMaterial(H2O, fractionmass=1.);
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steam->GetIonisation()->SetMeanExcitationEnergy(71.6*eV);
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G4Material* BGO =
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new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3);
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BGO->AddElement(O , natoms=12);
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BGO->AddElement(Ge, natoms= 3);
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BGO->AddElement(Bi, natoms= 4);
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new G4Material("Aluminium" , z=13., a= 26.98*g/mole, density= 2.700*g/cm3);
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new G4Material("Silicon" , z=14., a= 28.09*g/mole, density= 2.330*g/cm3);
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new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3);
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new G4Material("Iron" , z=26., a= 55.85*g/mole, density= 7.870*g/cm3);
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new G4Material("Copper" , z=29., a= 63.55*g/mole, density= 8.960*g/cm3);
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new G4Material("Germanium" , z=32., a= 72.61*g/mole, density= 5.323*g/cm3);
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new G4Material("Silver" , z=47., a=107.87*g/mole, density= 10.50*g/cm3);
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new G4Material("Tungsten" , z=74., a=183.85*g/mole, density= 19.30*g/cm3);
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new G4Material("Lead" , z=82., a=207.19*g/mole, density= 11.35*g/cm3);
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new G4Material("Uranium" , z=92., a=238.03*g/mole, density= 18.95*g/cm3);
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G4cout << *(G4Material::GetMaterialTable()) << G4endl;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
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{
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// Cleanup old geometry
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G4GeometryManager::GetInstance()->OpenGeometry();
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G4PhysicalVolumeStore::GetInstance()->Clean();
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G4LogicalVolumeStore::GetInstance()->Clean();
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G4SolidStore::GetInstance()->Clean();
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G4Box*
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sBox = new G4Box("Container", //its name
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BoxSize/2,BoxSize/2,BoxSize/2); //its dimensions
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G4LogicalVolume*
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lBox = new G4LogicalVolume(sBox, //its shape
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aMaterial, //its material
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aMaterial->GetName()); //its name
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pBox = new G4PVPlacement(0, //no rotation
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G4ThreeVector(), //at (0,0,0)
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lBox, //its logical volume
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aMaterial->GetName(), //its name
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0, //its mother volume
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false, //no boolean operation
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0); //copy number
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//always return the root volume
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//
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return pBox;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::PrintParameters()
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{
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G4cout << "\n The Box is " << G4BestUnit(BoxSize,"Length")
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<< " of " << aMaterial->GetName() << G4endl;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "G4RunManager.hh"
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void DetectorConstruction::SetMaterial(G4String materialChoice)
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{
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// search the material by its name, or build it from nist data base
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G4Material* pttoMaterial =
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G4NistManager::Instance()->FindOrBuildMaterial(materialChoice);
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if (pttoMaterial) {
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aMaterial = pttoMaterial;
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if (pBox) G4RunManager::GetRunManager()
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->DefineWorldVolume(ConstructVolumes());
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} else {
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G4cout << "\n--> warning from DetectorConstruction::SetMaterial : "
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<< materialChoice << " not found" << G4endl;
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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