Gabriele Cosmo
267 lines
10 KiB
C++
267 lines
10 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: ExN06DetectorConstruction.cc,v 1.15 2006/06/29 17:54:17 gunter Exp $
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// GEANT4 tag $Name: geant4-09-01 $
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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 "ExN06DetectorConstruction.hh"
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#include "G4Material.hh"
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#include "G4MaterialTable.hh"
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#include "G4Element.hh"
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#include "G4ElementTable.hh"
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#include "G4LogicalBorderSurface.hh"
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#include "G4LogicalSkinSurface.hh"
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#include "G4Box.hh"
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#include "G4LogicalVolume.hh"
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#include "G4RotationMatrix.hh"
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#include "G4ThreeVector.hh"
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#include "G4Transform3D.hh"
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#include "G4PVPlacement.hh"
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#include "G4OpBoundaryProcess.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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ExN06DetectorConstruction::ExN06DetectorConstruction()
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{
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expHall_x = expHall_y = expHall_z = 10*m;
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tank_x = tank_y = tank_z = 5*m;
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bubble_x = bubble_y = bubble_z = 0.5*m;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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ExN06DetectorConstruction::~ExN06DetectorConstruction(){;}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* ExN06DetectorConstruction::Construct()
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{
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// ------------- Materials -------------
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G4double a, z, density;
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G4int nelements;
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// Air
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//
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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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G4Material* Air = new G4Material("Air", density=1.29*mg/cm3, nelements=2);
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Air->AddElement(N, 70.*perCent);
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Air->AddElement(O, 30.*perCent);
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// Water
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//
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G4Element* H = new G4Element("Hydrogen", "H", z=1 , a=1.01*g/mole);
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G4Material* Water = new G4Material("Water", density= 1.0*g/cm3, nelements=2);
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Water->AddElement(H, 2);
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Water->AddElement(O, 1);
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//
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// ------------ Generate & Add Material Properties Table ------------
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//
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const G4int nEntries = 32;
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G4double PhotonEnergy[nEntries] =
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{ 2.034*eV, 2.068*eV, 2.103*eV, 2.139*eV,
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2.177*eV, 2.216*eV, 2.256*eV, 2.298*eV,
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2.341*eV, 2.386*eV, 2.433*eV, 2.481*eV,
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2.532*eV, 2.585*eV, 2.640*eV, 2.697*eV,
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2.757*eV, 2.820*eV, 2.885*eV, 2.954*eV,
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3.026*eV, 3.102*eV, 3.181*eV, 3.265*eV,
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3.353*eV, 3.446*eV, 3.545*eV, 3.649*eV,
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3.760*eV, 3.877*eV, 4.002*eV, 4.136*eV };
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//
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// Water
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//
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G4double RefractiveIndex1[nEntries] =
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{ 1.3435, 1.344, 1.3445, 1.345, 1.3455,
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1.346, 1.3465, 1.347, 1.3475, 1.348,
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1.3485, 1.3492, 1.35, 1.3505, 1.351,
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1.3518, 1.3522, 1.3530, 1.3535, 1.354,
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1.3545, 1.355, 1.3555, 1.356, 1.3568,
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1.3572, 1.358, 1.3585, 1.359, 1.3595,
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1.36, 1.3608};
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G4double Absorption1[nEntries] =
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{3.448*m, 4.082*m, 6.329*m, 9.174*m, 12.346*m, 13.889*m,
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15.152*m, 17.241*m, 18.868*m, 20.000*m, 26.316*m, 35.714*m,
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45.455*m, 47.619*m, 52.632*m, 52.632*m, 55.556*m, 52.632*m,
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52.632*m, 47.619*m, 45.455*m, 41.667*m, 37.037*m, 33.333*m,
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30.000*m, 28.500*m, 27.000*m, 24.500*m, 22.000*m, 19.500*m,
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17.500*m, 14.500*m };
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G4double ScintilFast[nEntries] =
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{ 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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1.00, 1.00, 1.00, 1.00 };
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G4double ScintilSlow[nEntries] =
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{ 0.01, 1.00, 2.00, 3.00, 4.00, 5.00, 6.00,
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7.00, 8.00, 9.00, 8.00, 7.00, 6.00, 4.00,
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3.00, 2.00, 1.00, 0.01, 1.00, 2.00, 3.00,
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4.00, 5.00, 6.00, 7.00, 8.00, 9.00, 8.00,
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7.00, 6.00, 5.00, 4.00 };
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G4MaterialPropertiesTable* myMPT1 = new G4MaterialPropertiesTable();
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myMPT1->AddProperty("RINDEX", PhotonEnergy, RefractiveIndex1,nEntries);
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myMPT1->AddProperty("ABSLENGTH", PhotonEnergy, Absorption1, nEntries);
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myMPT1->AddProperty("FASTCOMPONENT",PhotonEnergy, ScintilFast, nEntries);
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myMPT1->AddProperty("SLOWCOMPONENT",PhotonEnergy, ScintilSlow, nEntries);
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myMPT1->AddConstProperty("SCINTILLATIONYIELD",50./MeV);
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myMPT1->AddConstProperty("RESOLUTIONSCALE",1.0);
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myMPT1->AddConstProperty("FASTTIMECONSTANT", 1.*ns);
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myMPT1->AddConstProperty("SLOWTIMECONSTANT",10.*ns);
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myMPT1->AddConstProperty("YIELDRATIO",0.8);
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Water->SetMaterialPropertiesTable(myMPT1);
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//
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// Air
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//
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G4double RefractiveIndex2[nEntries] =
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{ 1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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1.00, 1.00, 1.00, 1.00, 1.00, 1.00, 1.00,
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1.00, 1.00, 1.00, 1.00 };
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G4MaterialPropertiesTable* myMPT2 = new G4MaterialPropertiesTable();
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myMPT2->AddProperty("RINDEX", PhotonEnergy, RefractiveIndex2, nEntries);
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Air->SetMaterialPropertiesTable(myMPT2);
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//
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// ------------- Volumes --------------
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// The experimental Hall
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//
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G4Box* expHall_box = new G4Box("World",expHall_x,expHall_y,expHall_z);
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G4LogicalVolume* expHall_log
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= new G4LogicalVolume(expHall_box,Air,"World",0,0,0);
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G4VPhysicalVolume* expHall_phys
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= new G4PVPlacement(0,G4ThreeVector(),expHall_log,"World",0,false,0);
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// The Water Tank
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//
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G4Box* waterTank_box = new G4Box("Tank",tank_x,tank_y,tank_z);
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G4LogicalVolume* waterTank_log
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= new G4LogicalVolume(waterTank_box,Water,"Tank",0,0,0);
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G4VPhysicalVolume* waterTank_phys
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= new G4PVPlacement(0,G4ThreeVector(),waterTank_log,"Tank",
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expHall_log,false,0);
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// The Air Bubble
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//
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G4Box* bubbleAir_box = new G4Box("Bubble",bubble_x,bubble_y,bubble_z);
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G4LogicalVolume* bubbleAir_log
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= new G4LogicalVolume(bubbleAir_box,Air,"Bubble",0,0,0);
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//G4VPhysicalVolume* bubbleAir_phys =
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new G4PVPlacement(0,G4ThreeVector(0,2.5*m,0),bubbleAir_log,"Bubble",
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waterTank_log,false,0);
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// ------------- Surfaces --------------
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//
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// Water Tank
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//
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G4OpticalSurface* OpWaterSurface = new G4OpticalSurface("WaterSurface");
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OpWaterSurface->SetType(dielectric_dielectric);
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OpWaterSurface->SetFinish(ground);
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OpWaterSurface->SetModel(unified);
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G4LogicalBorderSurface* WaterSurface =
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new G4LogicalBorderSurface("WaterSurface",
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waterTank_phys,expHall_phys,OpWaterSurface);
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if(WaterSurface->GetVolume1() == waterTank_phys) G4cout << "Equal" << G4endl;
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if(WaterSurface->GetVolume2() == expHall_phys ) G4cout << "Equal" << G4endl;
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// Air Bubble
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//
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G4OpticalSurface* OpAirSurface = new G4OpticalSurface("AirSurface");
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OpAirSurface->SetType(dielectric_dielectric);
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OpAirSurface->SetFinish(polished);
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OpAirSurface->SetModel(glisur);
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G4LogicalSkinSurface* AirSurface =
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new G4LogicalSkinSurface("AirSurface", bubbleAir_log, OpAirSurface);
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if(AirSurface->GetLogicalVolume() == bubbleAir_log) G4cout << "Equal" << G4endl;
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((G4OpticalSurface*)
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(AirSurface->GetSurface(bubbleAir_log)->GetSurfaceProperty()))->DumpInfo();
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//
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// Generate & Add Material Properties Table attached to the optical surfaces
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//
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const G4int num = 2;
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G4double Ephoton[num] = {2.038*eV, 4.144*eV};
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//OpticalWaterSurface
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G4double RefractiveIndex[num] = {1.35, 1.40};
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G4double SpecularLobe[num] = {0.3, 0.3};
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G4double SpecularSpike[num] = {0.2, 0.2};
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G4double Backscatter[num] = {0.2, 0.2};
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G4MaterialPropertiesTable* myST1 = new G4MaterialPropertiesTable();
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myST1->AddProperty("RINDEX", Ephoton, RefractiveIndex, num);
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myST1->AddProperty("SPECULARLOBECONSTANT", Ephoton, SpecularLobe, num);
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myST1->AddProperty("SPECULARSPIKECONSTANT", Ephoton, SpecularSpike, num);
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myST1->AddProperty("BACKSCATTERCONSTANT", Ephoton, Backscatter, num);
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OpWaterSurface->SetMaterialPropertiesTable(myST1);
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//OpticalAirSurface
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G4double Reflectivity[num] = {0.3, 0.5};
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G4double Efficiency[num] = {0.8, 1.0};
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G4MaterialPropertiesTable *myST2 = new G4MaterialPropertiesTable();
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myST2->AddProperty("REFLECTIVITY", Ephoton, Reflectivity, num);
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myST2->AddProperty("EFFICIENCY", Ephoton, Efficiency, num);
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OpAirSurface->SetMaterialPropertiesTable(myST2);
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//always return the physical World
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return expHall_phys;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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