Gabriele Cosmo
296 lines
11 KiB
C++
296 lines
11 KiB
C++
//
|
|
// ********************************************************************
|
|
// * 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. *
|
|
// ********************************************************************
|
|
//
|
|
/// \file DirectAccess.cc
|
|
/// \brief Main program of the electromagnetic/TestEm0 example
|
|
|
|
// ------------------------------------------------------------
|
|
//
|
|
// To print cross sections per atom and mean free path for simple material
|
|
//
|
|
#include "G4BetheBlochModel.hh"
|
|
#include "G4BetheHeitlerModel.hh"
|
|
#include "G4BraggModel.hh"
|
|
#include "G4DataVector.hh"
|
|
#include "G4Electron.hh"
|
|
#include "G4Gamma.hh"
|
|
#include "G4KleinNishinaCompton.hh"
|
|
#include "G4Material.hh"
|
|
#include "G4MollerBhabhaModel.hh"
|
|
#include "G4MuBetheBlochModel.hh"
|
|
#include "G4MuBremsstrahlungModel.hh"
|
|
#include "G4MuPairProductionModel.hh"
|
|
#include "G4MuonPlus.hh"
|
|
#include "G4NistManager.hh"
|
|
#include "G4PEEffectFluoModel.hh"
|
|
#include "G4ParticleTable.hh"
|
|
#include "G4Positron.hh"
|
|
#include "G4Proton.hh"
|
|
#include "G4SeltzerBergerModel.hh"
|
|
#include "G4SystemOfUnits.hh"
|
|
#include "G4UnitsTable.hh"
|
|
#include "G4eeToTwoGammaModel.hh"
|
|
#include "globals.hh"
|
|
|
|
int main()
|
|
{
|
|
G4UnitDefinition::BuildUnitsTable();
|
|
|
|
G4ParticleDefinition* gamma = G4Gamma::Gamma();
|
|
G4ParticleDefinition* posit = G4Positron::Positron();
|
|
G4ParticleDefinition* elec = G4Electron::Electron();
|
|
G4ParticleDefinition* prot = G4Proton::Proton();
|
|
G4ParticleDefinition* muon = G4MuonPlus::MuonPlus();
|
|
G4ParticleTable* partTable = G4ParticleTable::GetParticleTable();
|
|
partTable->SetReadiness();
|
|
|
|
G4DataVector cuts;
|
|
cuts.push_back(1 * keV);
|
|
|
|
// define materials
|
|
//
|
|
G4Material* material = G4NistManager::Instance()->FindOrBuildMaterial("G4_Fe");
|
|
|
|
G4cout << *(G4Material::GetMaterialTable()) << G4endl;
|
|
|
|
G4MaterialCutsCouple* couple = new G4MaterialCutsCouple(material);
|
|
couple->SetIndex(0);
|
|
|
|
// work only for simple materials
|
|
G4double Z = material->GetZ();
|
|
G4double A = material->GetA();
|
|
|
|
// initialise gamma processes (models)
|
|
//
|
|
G4VEmModel* phot = new G4PEEffectFluoModel();
|
|
G4VEmModel* comp = new G4KleinNishinaCompton();
|
|
G4VEmModel* conv = new G4BetheHeitlerModel();
|
|
phot->Initialise(gamma, cuts);
|
|
comp->Initialise(gamma, cuts);
|
|
conv->Initialise(gamma, cuts);
|
|
|
|
// valid pointer to a couple is needed for this model
|
|
phot->SetCurrentCouple(couple);
|
|
|
|
// compute CrossSection per atom and MeanFreePath
|
|
//
|
|
G4double Emin = 1.01 * MeV, Emax = 2.01 * MeV, dE = 100 * keV;
|
|
|
|
G4cout << "\n #### Gamma : CrossSectionPerAtom and MeanFreePath for " << material->GetName()
|
|
<< G4endl;
|
|
G4cout << "\n Energy \t PhotoElec \t Compton \t Conversion \t";
|
|
G4cout << "\t PhotoElec \t Compton \t Conversion" << G4endl;
|
|
|
|
for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
|
|
G4cout << "\n " << G4BestUnit(Energy, "Energy") << "\t"
|
|
<< G4BestUnit(phot->ComputeCrossSectionPerAtom(gamma, Energy, Z), "Surface") << "\t"
|
|
<< G4BestUnit(comp->ComputeCrossSectionPerAtom(gamma, Energy, Z), "Surface") << "\t"
|
|
<< G4BestUnit(conv->ComputeCrossSectionPerAtom(gamma, Energy, Z), "Surface") << "\t \t"
|
|
<< G4BestUnit(phot->ComputeMeanFreePath(gamma, Energy, material), "Length") << "\t"
|
|
<< G4BestUnit(comp->ComputeMeanFreePath(gamma, Energy, material), "Length") << "\t"
|
|
<< G4BestUnit(conv->ComputeMeanFreePath(gamma, Energy, material), "Length");
|
|
}
|
|
|
|
G4cout << G4endl;
|
|
|
|
// initialise positron annihilation (model)
|
|
//
|
|
G4VEmModel* anni = new G4eeToTwoGammaModel();
|
|
anni->Initialise(posit, cuts);
|
|
|
|
// compute CrossSection per atom and MeanFreePath
|
|
//
|
|
Emin = 1.01 * MeV;
|
|
Emax = 2.01 * MeV;
|
|
dE = 100 * keV;
|
|
|
|
G4cout << "\n #### e+ annihilation : CrossSectionPerAtom and MeanFreePath"
|
|
<< " for " << material->GetName() << G4endl;
|
|
G4cout << "\n Energy \t e+ annihil \t";
|
|
G4cout << "\t e+ annihil" << G4endl;
|
|
|
|
for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
|
|
G4cout << "\n " << G4BestUnit(Energy, "Energy") << "\t"
|
|
<< G4BestUnit(anni->ComputeCrossSectionPerAtom(posit, Energy, Z), "Surface") << "\t \t"
|
|
<< G4BestUnit(anni->ComputeMeanFreePath(posit, Energy, material), "Length");
|
|
}
|
|
|
|
G4cout << G4endl;
|
|
|
|
// initialise electron processes (models)
|
|
//
|
|
G4VEmModel* ioni = new G4MollerBhabhaModel();
|
|
G4VEmModel* brem = new G4SeltzerBergerModel();
|
|
ioni->Initialise(elec, cuts);
|
|
brem->Initialise(elec, cuts);
|
|
|
|
// compute CrossSection per atom and MeanFreePath
|
|
//
|
|
Emin = 1.01 * MeV;
|
|
Emax = 101.01 * MeV;
|
|
dE = 10 * MeV;
|
|
G4double Ecut = 100 * keV;
|
|
|
|
G4cout << "\n ####electron: CrossSection, MeanFreePath and StoppingPower"
|
|
<< " for " << material->GetName() << ";\tEnergy cut = " << G4BestUnit(Ecut, "Energy")
|
|
<< G4endl;
|
|
|
|
G4cout << "\n Energy \t ionization \t bremsstra \t";
|
|
G4cout << "\t ionization \t bremsstra \t";
|
|
G4cout << "\t ionization \t bremsstra" << G4endl;
|
|
|
|
for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
|
|
G4cout << "\n " << G4BestUnit(Energy, "Energy") << "\t"
|
|
<< G4BestUnit(ioni->ComputeCrossSectionPerAtom(elec, Energy, Z, A, Ecut), "Surface")
|
|
<< "\t"
|
|
<< G4BestUnit(brem->ComputeCrossSectionPerAtom(elec, Energy, Z, A, Ecut), "Surface")
|
|
<< "\t \t"
|
|
<< G4BestUnit(ioni->ComputeMeanFreePath(elec, Energy, material, Ecut), "Length") << "\t"
|
|
<< G4BestUnit(brem->ComputeMeanFreePath(elec, Energy, material, Ecut), "Length")
|
|
<< "\t \t"
|
|
<< G4BestUnit(ioni->ComputeDEDXPerVolume(material, elec, Energy, Ecut), "Energy/Length")
|
|
<< "\t"
|
|
<< G4BestUnit(brem->ComputeDEDXPerVolume(material, elec, Energy, Ecut), "Energy/Length");
|
|
}
|
|
|
|
G4cout << G4endl;
|
|
|
|
// initialise proton processes (models)
|
|
//
|
|
ioni = new G4BetheBlochModel();
|
|
ioni->Initialise(prot, cuts);
|
|
|
|
// compute CrossSection per atom and MeanFreePath
|
|
//
|
|
Emin = 1.01 * MeV;
|
|
Emax = 102.01 * MeV;
|
|
dE = 10 * MeV;
|
|
Ecut = 100 * keV;
|
|
|
|
G4cout << "\n #### proton : CrossSection, MeanFreePath and StoppingPower"
|
|
<< " for " << material->GetName() << ";\tEnergy cut = " << G4BestUnit(Ecut, "Energy")
|
|
<< G4endl;
|
|
|
|
G4cout << "\n Energy \t ionization \t";
|
|
G4cout << "\t ionization \t";
|
|
G4cout << "\t ionization" << G4endl;
|
|
|
|
for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
|
|
G4cout << "\n " << G4BestUnit(Energy, "Energy") << "\t"
|
|
<< G4BestUnit(ioni->ComputeCrossSectionPerAtom(prot, Energy, Z, A, Ecut), "Surface")
|
|
<< "\t \t"
|
|
<< G4BestUnit(ioni->ComputeMeanFreePath(prot, Energy, material, Ecut), "Length")
|
|
<< "\t \t"
|
|
<< G4BestUnit(ioni->ComputeDEDXPerVolume(material, prot, Energy, Ecut), "Energy/Length");
|
|
}
|
|
|
|
G4cout << G4endl;
|
|
|
|
// low energy : Bragg Model
|
|
ioni = new G4BraggModel(prot);
|
|
ioni->Initialise(prot, cuts);
|
|
|
|
// compute CrossSection per atom and MeanFreePath
|
|
//
|
|
Emin = 1.1 * keV;
|
|
Emax = 2.01 * MeV;
|
|
dE = 300 * keV;
|
|
Ecut = 10 * keV;
|
|
|
|
G4cout << "\n #### proton : low energy model (Bragg) "
|
|
<< ";\tEnergy cut = " << G4BestUnit(Ecut, "Energy") << G4endl;
|
|
|
|
G4cout << "\n Energy \t ionization \t";
|
|
G4cout << "\t ionization \t";
|
|
G4cout << "\t ionization" << G4endl;
|
|
|
|
for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
|
|
G4cout << "\n " << G4BestUnit(Energy, "Energy") << "\t"
|
|
<< G4BestUnit(ioni->ComputeCrossSectionPerAtom(prot, Energy, Z, A, Ecut), "Surface")
|
|
<< "\t \t"
|
|
<< G4BestUnit(ioni->ComputeMeanFreePath(prot, Energy, material, Ecut), "Length")
|
|
<< "\t \t"
|
|
<< G4BestUnit(ioni->ComputeDEDXPerVolume(material, prot, Energy, Ecut), "Energy/Length");
|
|
}
|
|
|
|
G4cout << G4endl;
|
|
|
|
// initialise muon processes (models)
|
|
//
|
|
ioni = new G4MuBetheBlochModel();
|
|
brem = new G4MuBremsstrahlungModel();
|
|
G4VEmModel* pair = new G4MuPairProductionModel();
|
|
ioni->Initialise(muon, cuts);
|
|
brem->Initialise(muon, cuts);
|
|
pair->Initialise(muon, cuts);
|
|
|
|
// compute CrossSection per atom and MeanFreePath
|
|
//
|
|
Emin = 1.01 * GeV;
|
|
Emax = 101.01 * GeV;
|
|
dE = 10 * GeV;
|
|
Ecut = 10 * MeV;
|
|
|
|
G4cout << "\n ####muon: CrossSection and MeanFreePath for " << material->GetName()
|
|
<< ";\tEnergy cut = " << G4BestUnit(Ecut, "Energy") << G4endl;
|
|
|
|
G4cout << "\n Energy \t ionization \t bremsstra \t pair_prod \t";
|
|
G4cout << "\t ionization \t bremsstra \t pair_prod" << G4endl;
|
|
|
|
for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
|
|
G4cout << "\n " << G4BestUnit(Energy, "Energy") << "\t"
|
|
<< G4BestUnit(ioni->ComputeCrossSectionPerAtom(muon, Energy, Z, A, Ecut), "Surface")
|
|
<< "\t"
|
|
<< G4BestUnit(brem->ComputeCrossSectionPerAtom(muon, Energy, Z, A, Ecut), "Surface")
|
|
<< "\t"
|
|
<< G4BestUnit(pair->ComputeCrossSectionPerAtom(muon, Energy, Z, A, Ecut), "Surface")
|
|
<< "\t \t"
|
|
<< G4BestUnit(ioni->ComputeMeanFreePath(muon, Energy, material, Ecut), "Length") << "\t"
|
|
<< G4BestUnit(brem->ComputeMeanFreePath(muon, Energy, material, Ecut), "Length") << "\t"
|
|
<< G4BestUnit(pair->ComputeMeanFreePath(muon, Energy, material, Ecut), "Length");
|
|
}
|
|
|
|
G4cout << G4endl;
|
|
|
|
G4cout << "\n ####muon: StoppingPower for " << material->GetName()
|
|
<< ";\tEnergy cut = " << G4BestUnit(Ecut, "Energy") << G4endl;
|
|
|
|
G4cout << "\n Energy \t ionization \t bremsstra \t pair_prod \t" << G4endl;
|
|
|
|
for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
|
|
G4cout << "\n " << G4BestUnit(Energy, "Energy") << "\t"
|
|
<< G4BestUnit(ioni->ComputeDEDXPerVolume(material, muon, Energy, Ecut), "Energy/Length")
|
|
<< "\t"
|
|
<< G4BestUnit(brem->ComputeDEDXPerVolume(material, muon, Energy, Ecut), "Energy/Length")
|
|
<< "\t"
|
|
<< G4BestUnit(pair->ComputeDEDXPerVolume(material, muon, Energy, Ecut), "Energy/Length");
|
|
}
|
|
|
|
G4cout << G4endl;
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|