Gabriele Cosmo
186 lines
6.1 KiB
C++
186 lines
6.1 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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// $Id: B03DetectorConstruction.cc,v 1.15 2006/06/29 16:35:15 gunter Exp $
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// GEANT4 tag $Name: geant4-08-01 $
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//
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#include "G4Types.hh"
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#include "globals.hh"
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#include "B03DetectorConstruction.hh"
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#include "G4Material.hh"
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#include "G4Box.hh"
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#include "G4Tubs.hh"
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#include "G4LogicalVolume.hh"
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#include "G4ThreeVector.hh"
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#include "G4PVPlacement.hh"
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#include "G4VisAttributes.hh"
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#include "G4Colour.hh"
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B03DetectorConstruction::B03DetectorConstruction()
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{;}
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B03DetectorConstruction::~B03DetectorConstruction()
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{;}
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G4VPhysicalVolume* B03DetectorConstruction::Construct()
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{
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char line[255];
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G4double pos_x;
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G4double pos_y;
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G4double pos_z;
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G4double density, pressure, temperature;
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G4double A;
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G4int Z;
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G4String name, symbol;
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G4double z;
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G4double fractionmass;
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A = 1.01*g/mole;
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G4Element* elH = new G4Element(name="Hydrogen",symbol="H" , Z= 1, A);
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A = 12.01*g/mole;
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G4Element* elC = new G4Element(name="Carbon" ,symbol="C" , Z = 6, A);
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A = 16.00*g/mole;
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G4Element* elO = new G4Element(name="Oxygen" ,symbol="O" , Z= 8, A);
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A = 22.99*g/mole;
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G4Element* elNa = new G4Element(name="Natrium" ,symbol="Na" , Z=11 , A);
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A = 200.59*g/mole;
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G4Element* elHg = new G4Element(name="Hg" ,symbol="Hg" , Z=80, A);
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A = 26.98*g/mole;
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G4Element* elAl = new G4Element(name="Aluminium" ,symbol="Al" , Z=13, A);
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A = 28.09*g/mole;
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G4Element* elSi = new G4Element(name="Silicon", symbol="Si", Z=14, A);
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A = 39.1*g/mole;
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G4Element* elK = new G4Element(name="K" ,symbol="K" , Z=19 , A);
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A = 69.72*g/mole;
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G4Element* elCa = new G4Element(name="Calzium" ,symbol="Ca" , Z=31 , A);
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A = 55.85*g/mole;
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G4Element* elFe = new G4Element(name="Iron" ,symbol="Fe", Z=26, A);
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density = universe_mean_density; //from PhysicalConstants.h
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pressure = 3.e-18*pascal;
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temperature = 2.73*kelvin;
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G4Material *Galactic =
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new G4Material(name="Galactic", z=1., A=1.01*g/mole, density,
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kStateGas,temperature,pressure);
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density = 2.03*g/cm3;
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G4Material* Concrete = new G4Material("Concrete", density, 10);
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Concrete->AddElement(elH , fractionmass= 0.01);
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Concrete->AddElement(elO , fractionmass= 0.529);
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Concrete->AddElement(elNa , fractionmass= 0.016);
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Concrete->AddElement(elHg , fractionmass= 0.002);
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Concrete->AddElement(elAl , fractionmass= 0.034);
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Concrete->AddElement(elSi , fractionmass= 0.337);
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Concrete->AddElement(elK , fractionmass= 0.013);
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Concrete->AddElement(elCa , fractionmass= 0.044);
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Concrete->AddElement(elFe , fractionmass= 0.014);
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Concrete->AddElement(elC , fractionmass= 0.001);
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/////////////////////////////
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// world cylinder volume
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////////////////////////////
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G4double innerRadiusCylinder = 0*cm;
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G4double outerRadiusCylinder = 101*cm; // dont't have scoring
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// cells coinside eith world volume boundary
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G4double hightCylinder = 105*cm;
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G4double startAngleCylinder = 0*deg;
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G4double spanningAngleCylinder = 360*deg;
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G4Tubs *worldCylinder = new G4Tubs("worldCylinder",
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innerRadiusCylinder,
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outerRadiusCylinder,
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hightCylinder,
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startAngleCylinder,
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spanningAngleCylinder);
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// logical world
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G4LogicalVolume *worldCylinder_log =
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new G4LogicalVolume(worldCylinder, Galactic, "worldCylinder_log");
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name = "shieldWorld";
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G4PVPlacement *pWorldVolume = new
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G4PVPlacement(0, G4ThreeVector(0,0,0), worldCylinder_log,
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name, 0, false, 0);
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// creating 1 slobs of 180 cm thick concrete
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G4double innerRadiusShield = 0*cm;
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G4double outerRadiusShield = 100*cm;
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G4double hightShield = 90*cm;
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G4double startAngleShield = 0*deg;
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G4double spanningAngleShield = 360*deg;
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G4Tubs *aShield = new G4Tubs("aShield",
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innerRadiusShield,
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outerRadiusShield,
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hightShield,
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startAngleShield,
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spanningAngleShield);
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// logical shield
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G4LogicalVolume *aShield_log =
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new G4LogicalVolume(aShield, Concrete, "aShield_log");
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// physical shield
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name = "ConcreateBlock";
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pos_x = 0*cm;
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pos_y = 0*cm;
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pos_z = 0*cm;
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G4VPhysicalVolume *pvol =
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new G4PVPlacement(0,
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G4ThreeVector(pos_x, pos_y, pos_z),
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aShield_log,
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name,
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worldCylinder_log,
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false,
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0);
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return pWorldVolume;
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}
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