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216a75eeb1c9d83bd2f8d612fe761690fa561bba
geant4/examples/extended/electromagnetic/TestEm8/src/Em8DetectorConstruction.cc
T
Gabriele Cosmo 216a75eeb1 Import Geant4 8.1.0 source tree
2016-06-09 14:44:26 +02:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
// $Id: Em8DetectorConstruction.cc,v 1.17.2.1 2006/06/29 17:00:08 gunter Exp $
// GEANT4 tag $Name: geant4-08-01 $
//
//
#include "Em8DetectorConstruction.hh"
#include "Em8DetectorMessenger.hh"
#include "Em8CalorimeterSD.hh"
#include "G4Material.hh"
#include "G4Tubs.hh"
#include "G4LogicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4FieldManager.hh"
#include "G4TransportationManager.hh"
#include "G4SDManager.hh"
#include "G4GeometryManager.hh"
#include "G4RunManager.hh"
#include "G4Region.hh"
#include "G4RegionStore.hh"
#include "G4PhysicalVolumeStore.hh"
#include "G4LogicalVolumeStore.hh"
#include "G4SolidStore.hh"
#include "G4ProductionCuts.hh"
#include "G4VisAttributes.hh"
#include "G4Colour.hh"
#include "G4UnitsTable.hh"
#include "G4ios.hh"
const G4double Em8DetectorConstruction::fDelta = 0.0001*mm;
/////////////////////////////////////////////////////////////////////////////
//
//
Em8DetectorConstruction::Em8DetectorConstruction()
:
fWorldChanged(false),
fWorldMaterial(NULL),fSolidWorld(NULL),fLogicWorld(NULL),fPhysicsWorld(NULL),
fAbsorberMaterial(NULL),fSolidAbsorber(NULL),fLogicAbsorber(NULL),
fPhysicsAbsorber(NULL),fDetectorMessenger(NULL),
fCalorimeterSD(NULL),fRegGasDet(NULL)
{
// default parameter values of the calorimeter
// G4double inch = 2.54*cm ;
// G4double mil = inch/1000.0 ;
// G4double delta = 0.0001*mm;
// fAbsorberThickness = 85.*mm;
fAbsorberThickness = 23.0*mm;
fAbsorberRadius = 10.*cm;
fAbsorberZ = 0.*cm ;
fWindowThick = 51.0*micrometer ;
fGammaCut = 23*mm;
fElectronCut = 23*mm;
fPositronCut = 23*mm;
fDetectorMessenger = new Em8DetectorMessenger(this);
}
//////////////////////////////////////////////////////////////////////////
//
//
Em8DetectorConstruction::~Em8DetectorConstruction()
{
delete fDetectorMessenger;
}
//////////////////////////////////////////////////////////////////////////
//
//
G4VPhysicalVolume* Em8DetectorConstruction::Construct()
{
DefineMaterials();
return ConstructCalorimeter();
}
//////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::DefineMaterials()
{
//This function illustrates the possible ways to define materials
G4String name, symbol ; //a=mass of a mole;
G4double a, z, density ; //z=mean number of protons;
// G4int iz, n;
G4int nel ; //iz=number of protons in an isotope;
// n=number of nucleons in an isotope;
G4int ncomponents;
// G4int natoms;
// G4double abundance;
G4double fractionmass;
//G4double temperature, pressure;
//
// define Elements
//
a = 1.01*g/mole;
G4Element* elH = new G4Element(name="Hydrogen",symbol="H" , z= 1., a);
a = 12.01*g/mole;
G4Element* elC = new G4Element(name="Carbon", symbol="C", z=6., a);
a = 14.01*g/mole;
G4Element* elN = new G4Element(name="Nitrogen",symbol="N" , z= 7., a);
a = 16.00*g/mole;
G4Element* elO = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a);
a = 39.948*g/mole;
G4Element* elAr = new G4Element(name="Argon", symbol="Ar", z=18., a);
// a = 131.29*g/mole;
// G4Element* elXe = new G4Element(name="Xenon", symbol="Xe", z=54., a);
// a = 19.00*g/mole;
// G4Element* elF = new G4Element(name="Fluorine", symbol="F", z=9., a);
//
// define simple materials
//
/* ******************************************************************
density = 1.390*g/cm3;
a = 39.95*g/mole;
G4Material* lAr = new G4Material(name="liquidArgon", z=18., a, density);
density = 7.870*g/cm3;
a = 55.85*g/mole;
G4Material* Fe = new G4Material(name="Iron" , z=26., a, density);
density = 8.960*g/cm3;
a = 63.55*g/mole;
G4Material* Cu = new G4Material(name="Copper" , z=29., a, density);
density = 19.32*g/cm3;
a =196.97*g/mole;
G4Material* Au = new G4Material(name="Gold" , z=79., a, density);
density = 11.35*g/cm3;
a = 207.19*g/mole;
G4Material* Pb = new G4Material(name="Lead" , z=82., a, density);
//
// define a material from elements. case 1: chemical molecule
//
density = 1.000*g/cm3;
G4Material* H2O = new G4Material(name="Water", density, ncomponents=2);
H2O->AddElement(elH, natoms=2);
H2O->AddElement(elO, natoms=1);
// Kapton (polyimide) ??? since = Mylar C5H4O2
density = 1.39*g/cm3;
G4Material* Kapton = new G4Material(name="Kapton", density, nel=3);
Kapton->AddElement(elO,2);
Kapton->AddElement(elC,5);
Kapton->AddElement(elH,4);
// Carbon dioxide
density = 1.977*mg/cm3;
G4Material* CO2 = new G4Material(name="CO2", density, nel=2,
kStateGas,273.15*kelvin,1.*atmosphere);
CO2->AddElement(elC,1);
CO2->AddElement(elO,2);
// TRT_CH2
density = 0.935*g/cm3;
G4Material* TRT_CH2 = new G4Material(name="TRT_CH2",density, nel=2);
TRT_CH2->AddElement(elC,1);
TRT_CH2->AddElement(elH,2);
// Radiator
density = 0.059*g/cm3;
G4Material* Radiator = new G4Material(name="Radiator",density, nel=2);
Radiator->AddElement(elC,1);
Radiator->AddElement(elH,2);
// Carbon Fiber
density = 0.145*g/cm3;
G4Material* CarbonFiber = new G4Material(name="CarbonFiber",density, nel=1);
CarbonFiber->AddElement(elC,1);
density = 1.290*mg/cm3; // old air from elements
G4Material* air = new G4Material(name="air" , density, ncomponents=2);
Air->AddElement(elN, fractionmass=0.7);
Air->AddElement(elO, fractionmass=0.3);
density = 1.25053*mg/cm3 ; // STP
a = 14.01*g/mole ; // get atomic weight !!!
// a = 28.016*g/mole;
G4Material* N2 = new G4Material(name="Nitrogen", z= 7.,a,density) ;
density = 1.25053*mg/cm3 ; // STP
G4Material* anotherN2 = new G4Material(name="anotherN2", density,ncomponents=2);
anotherN2->AddElement(elN, 1);
anotherN2->AddElement(elN, 1);
// liquid hydrogen for muon cooling target
density = 0.071*g/cm3;
a = 1.01*g/mole;
G4Material* lH2 = new G4Material(name="liquidHydrigen", z=1., a, density);
// Beryllium
density = 1.848*g/cm3;
a = 9.01*g/mole;
G4Material* Be = new G4Material(name="Beryllium", z=4., a, density);
// Al for electrodes
density = 2.700*g/cm3;
a = 26.98*g/mole;
G4Material* Al = new G4Material(name="Aluminium", z=13., a, density);
// Polypropelene
G4Material* CH2 = new G4Material ("Polypropelene" , 0.91*g/cm3, 2);
CH2->AddElement(elH,2);
CH2->AddElement(elC,1);
************************ */
// Aluminium
a = 26.98*g/mole;
density = 2.7*g/cm3;
G4Material* Al = new G4Material(name="Aluminium", z=13., a, density);
if(Al);
// Mylar
density = 1.39*g/cm3;
G4Material* Mylar = new G4Material(name="Mylar", density, nel=3);
Mylar->AddElement(elO,2);
Mylar->AddElement(elC,5);
Mylar->AddElement(elH,4);
// Silicon as detector material
density = 2.330*g/cm3;
a = 28.09*g/mole;
G4Material* Si = new G4Material(name="Silicon", z=14., a, density);
if(Si);
// Krypton as detector gas, STP
density = 3.700*mg/cm3 ;
a = 83.80*g/mole ;
G4Material* Kr = new G4Material(name="Kr",z=36., a, density );
// Metane, STP
// density = 0.7174*mg/cm3 ;
// G4Material* metane = new G4Material(name="CH4",density,nel=2) ;
// metane->AddElement(elC,1) ;
// metane->AddElement(elH,4) ;
// Dry air (average composition)
density = 1.7836*mg/cm3 ; // STP
G4Material* Argon = new G4Material(name="Argon" , density, ncomponents=1);
Argon->AddElement(elAr, 1);
density = 1.25053*mg/cm3 ; // STP
G4Material* Nitrogen = new G4Material(name="N2" , density, ncomponents=1);
Nitrogen->AddElement(elN, 2);
density = 1.4289*mg/cm3 ; // STP
G4Material* Oxygen = new G4Material(name="O2" , density, ncomponents=1);
Oxygen->AddElement(elO, 2);
density = 1.2928*mg/cm3 ; // STP
G4Material* Air = new G4Material(name="Air" , density, ncomponents=3);
Air->AddMaterial( Nitrogen, fractionmass = 0.7557 ) ;
Air->AddMaterial( Oxygen, fractionmass = 0.2315 ) ;
Air->AddMaterial( Argon, fractionmass = 0.0128 ) ;
// 93% Kr + 7% CH4, STP
// density = 3.491*mg/cm3 ;
// G4Material* Kr7CH4 = new G4Material(name="Kr7CH4" , density,
// ncomponents=2);
// Kr7CH4->AddMaterial( Kr, fractionmass = 0.986 ) ;
// Kr7CH4->AddMaterial( metane, fractionmass = 0.014 ) ;
/* **************
G4double TRT_Xe_density = 5.485*mg/cm3;
G4Material* TRT_Xe = new G4Material(name="TRT_Xe", TRT_Xe_density, nel=1,
kStateGas,293.15*kelvin,1.*atmosphere);
TRT_Xe->AddElement(elXe,1);
G4double TRT_CO2_density = 1.842*mg/cm3;
G4Material* TRT_CO2 = new G4Material(name="TRT_CO2", TRT_CO2_density, nel=2,
kStateGas,293.15*kelvin,1.*atmosphere);
TRT_CO2->AddElement(elC,1);
TRT_CO2->AddElement(elO,2);
G4double TRT_CF4_density = 3.9*mg/cm3;
G4Material* TRT_CF4 = new G4Material(name="TRT_CF4", TRT_CF4_density, nel=2,
kStateGas,293.15*kelvin,1.*atmosphere);
TRT_CF4->AddElement(elC,1);
TRT_CF4->AddElement(elF,4);
// ATLAS TRT straw tube gas mixture (20 C, 1 atm)
G4double XeCO2CF4_density = 4.76*mg/cm3;
G4Material* XeCO2CF4 = new G4Material(name="XeCO2CF4", XeCO2CF4_density,
ncomponents=3,
kStateGas,293.15*kelvin,1.*atmosphere);
XeCO2CF4->AddMaterial(TRT_Xe,0.807);
XeCO2CF4->AddMaterial(TRT_CO2,0.039);
XeCO2CF4->AddMaterial(TRT_CF4,0.154);
*********** */
// Xenon as detector gas, STP
density = 5.858*mg/cm3 ;
a = 131.29*g/mole ;
G4Material* Xe = new G4Material(name="Xenon",z=54., a, density );
// Metane, STP
density = 0.7174*mg/cm3 ;
G4Material* metane = new G4Material(name="CH4",density,nel=2) ;
metane->AddElement(elC,1) ;
metane->AddElement(elH,4) ;
// C3H8,20 C, 2 atm
density = 3.758*mg/cm3 ;
G4Material* C3H8 = new G4Material(name="C3H8",density,nel=2) ;
C3H8->AddElement(elC,3) ;
C3H8->AddElement(elH,8) ;
// Propane, STP
density = 2.005*mg/cm3 ;
G4Material* propane = new G4Material(name="propane",density,nel=2) ;
propane->AddElement(elC,3) ;
propane->AddElement(elH,8) ;
// 87.5% Xe + 7.5% CH4 + 5% C3H8, 20 C, 1 atm
density = 4.9196*mg/cm3 ;
G4Material* XeCH4C3H8 = new G4Material(name="XeCH4C3H8" ,
density, ncomponents=3);
XeCH4C3H8->AddMaterial( Xe, fractionmass = 0.971 ) ;
XeCH4C3H8->AddMaterial( metane, fractionmass = 0.010 ) ;
XeCH4C3H8->AddMaterial( propane, fractionmass = 0.019 ) ;
// 93% Ar + 7% CH4, STP
density = 1.709*mg/cm3 ;
G4Material* Ar7CH4 = new G4Material(name="Ar7CH4", density, ncomponents=2);
Ar7CH4->AddMaterial( Argon, fractionmass = 0.971 ) ;
Ar7CH4->AddMaterial( metane, fractionmass = 0.029 ) ;
// Carbon dioxide, STP
density = 1.977*mg/cm3;
G4Material* CarbonDioxide = new G4Material(name="CO2", density, nel=2);
CarbonDioxide->AddElement(elC,1);
CarbonDioxide->AddElement(elO,2);
// 80% Ar + 20% CO2, STP
// density = 1.8223*mg/cm3 ;
// G4Material* Ar_80CO2_20 = new G4Material(name="ArCO2" , density,
// ncomponents=2);
// Ar_80CO2_20->AddMaterial( Argon, fractionmass = 0.783 ) ;
// Ar_80CO2_20->AddMaterial( CarbonDioxide, fractionmass = 0.217 ) ;
// 80% Xe + 20% CO2, STP
// density = 5.0818*mg/cm3 ;
// G4Material* Xe20CO2 = new G4Material(name="Xe20CO2" ,
// density, ncomponents=2);
// Xe20CO2->AddMaterial( Xe, fractionmass = 0.922 ) ;
// Xe20CO2->AddMaterial( CarbonDioxide, fractionmass = 0.078 ) ;
// 80% Kr + 20% CO2, STP
density = 3.601*mg/cm3 ;
G4Material* Kr20CO2 = new G4Material(name="Kr20CO2" , density,
ncomponents=2);
Kr20CO2->AddMaterial( Kr, fractionmass = 0.89 ) ;
Kr20CO2->AddMaterial( CarbonDioxide, fractionmass = 0.11 ) ;
// G4cout << *(G4Material::GetMaterialTable()) << G4endl;
// fWindowMat = Mylar ;
fAbsorberMaterial = XeCH4C3H8;
// Al; // Si; // Xe; // Ar7CH4; // C3H8; // XeCH4C3H8;
fWorldMaterial = Mylar; // Air ;
}
/////////////////////////////////////////////////////////////////////////
//
//
G4VPhysicalVolume* Em8DetectorConstruction::ConstructCalorimeter()
{
// Cleanup old geometry
G4GeometryManager::GetInstance()->OpenGeometry();
G4PhysicalVolumeStore::GetInstance()->Clean();
G4LogicalVolumeStore::GetInstance()->Clean();
G4SolidStore::GetInstance()->Clean();
// G4RegionStore::GetInstance()->Clean();
// complete the Calor parameters definition and print
ComputeCalorParameters();
PrintCalorParameters();
// World
// if(fSolidWorld) delete fSolidWorld ;
// if(fLogicWorld) delete fLogicWorld ;
// if(fPhysicsWorld) delete fPhysicsWorld ;
fSolidWorld = new G4Tubs("World", //its name
0.,fWorldSizeR,fWorldSizeZ/2.,0.,twopi) ;//its size
fLogicWorld = new G4LogicalVolume(fSolidWorld, //its solid
fWorldMaterial, //its material
"World"); //its name
fPhysicsWorld = new G4PVPlacement(0, //no rotation
G4ThreeVector(), //at (0,0,0)
"World", //its name
fLogicWorld, //its logical volume
NULL, //its mother volume
false, //no boolean operation
0); //copy number
// Absorber
if (fAbsorberThickness > 0.)
{
// if(fSolidAbsorber) delete fSolidAbsorber ;
// if(fLogicAbsorber) delete fLogicAbsorber ;
// if(fPhysicsAbsorber) delete fPhysicsAbsorber ;
fSolidAbsorber = new G4Tubs("Absorber",
0.,fAbsorberRadius,fAbsorberThickness/2.,0.,twopi);
fLogicAbsorber = new G4LogicalVolume(fSolidAbsorber,
fAbsorberMaterial,
"Absorber");
fPhysicsAbsorber = new G4PVPlacement(0,
G4ThreeVector(0.,0.,fAbsorberZ),
"Absorber",
fLogicAbsorber,
fPhysicsWorld,
false,
0);
}
if( fRegGasDet != 0 ) // remove obsolete root logical volume
{
fRegGasDet->RemoveRootLogicalVolume(fLogicAbsorber);
}
G4ProductionCuts* cuts = 0;
if( fRegGasDet == 0 ) // First time - instantiate a region and a cut objects
{
fRegGasDet = new G4Region("VertexDetector");
cuts = new G4ProductionCuts();
fRegGasDet->SetProductionCuts(cuts);
}
else // Second time - get a cut object from region
{
cuts = fRegGasDet->GetProductionCuts();
}
fRegGasDet->AddRootLogicalVolume(fLogicAbsorber);
cuts->SetProductionCut(fGammaCut,"gamma");
cuts->SetProductionCut(fElectronCut,"e-");
cuts->SetProductionCut(fPositronCut,"e+");
// Sensitive Detectors: Absorber
G4SDManager* SDman = G4SDManager::GetSDMpointer();
if(!fCalorimeterSD)
{
fCalorimeterSD = new Em8CalorimeterSD("CalorSD",this);
SDman->AddNewDetector( fCalorimeterSD );
}
if (fLogicAbsorber) fLogicAbsorber->SetSensitiveDetector(fCalorimeterSD);
// Parameterisation
// G4VXrayTRmodel* pTRModel = new G4IrregularXrayTRmodel(logicRadiator,
// fRadThickness,fGasGap);
// G4VXrayTRmodel* pTRModel = new G4FoamXrayTRmodel(logicRadiator,
// fRadThickness,fGasGap);
// G4VXrayTRmodel* pTRModel = new G4RegularXrayTRmodel(logicRadiator,
// fRadThickness,fGasGap);
// G4double alphaPlate = 160.0 ;
// G4double alphaGas = 160.0 ;
// G4VXrayTRmodel* pTRModel = new G4GamDistrXrayTRmodel(logicRadiator,
// fRadThickness,alphaPlate,
// fGasGap,alphaGas);
// G4VXrayTRmodel* pTRModel = new G4PlateIrrGasXrayTRmodel(logicRadiator,
// fRadThickness,fGasGap);
// pTRModel->GetPlateZmuProduct() ;
// pTRModel->GetGasZmuProduct() ;
// pTRModel->GetNumberOfPhotons() ;
// always return physics world
return fPhysicsWorld;
}
////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::PrintCalorParameters()
{
G4cout << "\n The WORLD is made of "
<< fWorldSizeZ/mm << "mm of " << fWorldMaterial->GetName() ;
G4cout << ", the transverse size (R) of the world is " << fWorldSizeR/mm << " mm. " << G4endl;
G4cout << " The ABSORBER is made of "
<< fAbsorberThickness/mm << "mm of " << fAbsorberMaterial->GetName() ;
G4cout << ", the transverse size (R) is " << fAbsorberRadius/mm << " mm. " << G4endl;
G4cout << " Z position of the (middle of the) absorber " << fAbsorberZ/mm << " mm." << G4endl;
G4cout << G4endl;
}
///////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetAbsorberMaterial(G4String materialChoice)
{
// get the pointer to the material table
const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
// search the material by its name
G4Material* pttoMaterial;
for (size_t J = 0 ; J < theMaterialTable->size() ; J++)
{
pttoMaterial = (*theMaterialTable)[J];
if(pttoMaterial->GetName() == materialChoice)
{
fAbsorberMaterial = pttoMaterial;
fLogicAbsorber->SetMaterial(pttoMaterial);
// PrintCalorParameters();
}
}
}
////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetWorldMaterial(G4String materialChoice)
{
// get the pointer to the material table
const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
// search the material by its name
G4Material* pttoMaterial;
for (size_t J=0 ; J<theMaterialTable->size() ; J++)
{
pttoMaterial = (*theMaterialTable)[J];
if(pttoMaterial->GetName() == materialChoice)
{
fWorldMaterial = pttoMaterial;
fLogicWorld->SetMaterial(pttoMaterial);
// PrintCalorParameters();
}
}
}
///////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetAbsorberThickness(G4double val)
{
// change Absorber thickness and recompute the calorimeter parameters
fAbsorberThickness = val;
ComputeCalorParameters();
}
/////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetAbsorberRadius(G4double val)
{
// change the transverse size and recompute the calorimeter parameters
fAbsorberRadius = val;
ComputeCalorParameters();
}
////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetWorldSizeZ(G4double val)
{
fWorldChanged=true;
fWorldSizeZ = val;
ComputeCalorParameters();
}
///////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetWorldSizeR(G4double val)
{
fWorldChanged=true;
fWorldSizeR = val;
ComputeCalorParameters();
}
//////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::SetAbsorberZpos(G4double val)
{
fAbsorberZ = val;
ComputeCalorParameters();
}
///////////////////////////////////////////////////////////////////////////////
//
//
void Em8DetectorConstruction::UpdateGeometry()
{
G4RunManager::GetRunManager()->DefineWorldVolume(ConstructCalorimeter());
}
//
//
////////////////////////////////////////////////////////////////////////////
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