Gabriele Cosmo
337 lines
12 KiB
C++
337 lines
12 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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/// \file electromagnetic/TestEm0/DirectAccess.cc
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/// \brief Main program of the electromagnetic/TestEm0 example
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//
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//
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// $Id: DirectAccess.cc 94302 2015-11-11 12:58:04Z gcosmo $
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//
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// ------------------------------------------------------------
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//
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// To print cross sections per atom and mean free path for simple material
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//
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#include "G4Material.hh"
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#include "G4PEEffectFluoModel.hh"
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#include "G4KleinNishinaCompton.hh"
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#include "G4BetheHeitlerModel.hh"
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#include "G4eeToTwoGammaModel.hh"
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#include "G4MollerBhabhaModel.hh"
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#include "G4SeltzerBergerModel.hh"
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#include "G4BetheBlochModel.hh"
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#include "G4BraggModel.hh"
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#include "G4MuBetheBlochModel.hh"
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#include "G4MuBremsstrahlungModel.hh"
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#include "G4MuPairProductionModel.hh"
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#include "globals.hh"
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#include "G4UnitsTable.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4Gamma.hh"
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#include "G4Positron.hh"
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#include "G4Electron.hh"
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#include "G4Proton.hh"
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#include "G4MuonPlus.hh"
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#include "G4DataVector.hh"
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#include "G4NistManager.hh"
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#include "G4ParticleTable.hh"
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int main() {
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G4UnitDefinition::BuildUnitsTable();
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G4ParticleDefinition* gamma = G4Gamma::Gamma();
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G4ParticleDefinition* posit = G4Positron::Positron();
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G4ParticleDefinition* elec = G4Electron::Electron();
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G4ParticleDefinition* prot = G4Proton::Proton();
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G4ParticleDefinition* muon = G4MuonPlus::MuonPlus();
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G4ParticleTable* partTable = G4ParticleTable::GetParticleTable();
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partTable->SetReadiness();
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G4DataVector cuts;
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cuts.push_back(1*keV);
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// define materials
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//
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G4Material* material =
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G4NistManager::Instance()->FindOrBuildMaterial("G4_Fe");
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G4cout << *(G4Material::GetMaterialTable()) << G4endl;
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G4MaterialCutsCouple* couple = new G4MaterialCutsCouple(material);
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couple->SetIndex(0);
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// work only for simple materials
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G4double Z = material->GetZ();
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G4double A = material->GetA();
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// initialise gamma processes (models)
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//
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G4VEmModel* phot = new G4PEEffectFluoModel();
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G4VEmModel* comp = new G4KleinNishinaCompton();
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G4VEmModel* conv = new G4BetheHeitlerModel();
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phot->Initialise(gamma, cuts);
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comp->Initialise(gamma, cuts);
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conv->Initialise(gamma, cuts);
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// valid pointer to a couple is needed for this model
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phot->SetCurrentCouple(couple);
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// compute CrossSection per atom and MeanFreePath
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//
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G4double Emin = 1.01*MeV, Emax = 2.01*MeV, dE = 100*keV;
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G4cout << "\n #### Gamma : CrossSectionPerAtom and MeanFreePath for "
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<< material->GetName() << G4endl;
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G4cout << "\n Energy \t PhotoElec \t Compton \t Conversion \t";
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G4cout << "\t PhotoElec \t Compton \t Conversion" << G4endl;
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for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
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G4cout << "\n " << G4BestUnit (Energy, "Energy")
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<< "\t"
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<< G4BestUnit (phot->ComputeCrossSectionPerAtom(gamma,Energy,Z),"Surface")
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<< "\t"
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<< G4BestUnit (comp->ComputeCrossSectionPerAtom(gamma,Energy,Z),"Surface")
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<< "\t"
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<< G4BestUnit (conv->ComputeCrossSectionPerAtom(gamma,Energy,Z),"Surface")
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<< "\t \t"
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<< G4BestUnit (phot->ComputeMeanFreePath(gamma,Energy,material),"Length")
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<< "\t"
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<< G4BestUnit (comp->ComputeMeanFreePath(gamma,Energy,material),"Length")
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<< "\t"
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<< G4BestUnit (conv->ComputeMeanFreePath(gamma,Energy,material),"Length");
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}
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G4cout << G4endl;
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// initialise positron annihilation (model)
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//
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G4VEmModel* anni = new G4eeToTwoGammaModel();
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anni->Initialise(posit, cuts);
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// compute CrossSection per atom and MeanFreePath
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//
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Emin = 1.01*MeV; Emax = 2.01*MeV; dE = 100*keV;
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G4cout << "\n #### e+ annihilation : CrossSectionPerAtom and MeanFreePath"
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<< " for " << material->GetName() << G4endl;
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G4cout << "\n Energy \t e+ annihil \t";
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G4cout << "\t e+ annihil" << G4endl;
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for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
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G4cout << "\n " << G4BestUnit (Energy, "Energy")
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<< "\t"
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<< G4BestUnit (anni->ComputeCrossSectionPerAtom(posit,Energy,Z),"Surface")
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<< "\t \t"
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<< G4BestUnit (anni->ComputeMeanFreePath(posit,Energy,material),"Length");
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}
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G4cout << G4endl;
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// initialise electron processes (models)
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//
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G4VEmModel* ioni = new G4MollerBhabhaModel();
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G4VEmModel* brem = new G4SeltzerBergerModel();
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ioni->Initialise(elec, cuts);
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brem->Initialise(elec, cuts);
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// compute CrossSection per atom and MeanFreePath
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//
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Emin = 1.01*MeV; Emax = 101.01*MeV; dE = 10*MeV;
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G4double Ecut = 100*keV;
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G4cout << "\n ####electron: CrossSection, MeanFreePath and StoppingPower"
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<< " for " << material->GetName()
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<< ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
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G4cout << "\n Energy \t ionization \t bremsstra \t";
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G4cout << "\t ionization \t bremsstra \t";
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G4cout << "\t ionization \t bremsstra" << G4endl;
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for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
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G4cout << "\n " << G4BestUnit (Energy, "Energy")
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<< "\t"
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<< G4BestUnit (ioni->ComputeCrossSectionPerAtom(elec,Energy,Z,A,Ecut),
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"Surface")
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<< "\t"
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<< G4BestUnit (brem->ComputeCrossSectionPerAtom(elec,Energy,Z,A,Ecut),
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"Surface")
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<< "\t \t"
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<< G4BestUnit (ioni->ComputeMeanFreePath(elec,Energy,material,Ecut),
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"Length")
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<< "\t"
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<< G4BestUnit (brem->ComputeMeanFreePath(elec,Energy,material,Ecut),
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"Length")
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<< "\t \t"
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<< G4BestUnit (ioni->ComputeDEDXPerVolume(material,elec,Energy,Ecut),
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"Energy/Length")
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<< "\t"
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<< G4BestUnit (brem->ComputeDEDXPerVolume(material,elec,Energy,Ecut),
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"Energy/Length");
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}
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G4cout << G4endl;
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// initialise proton processes (models)
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//
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ioni = new G4BetheBlochModel();
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ioni->Initialise(prot, cuts);
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// compute CrossSection per atom and MeanFreePath
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//
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Emin = 1.01*MeV; Emax = 102.01*MeV; dE = 10*MeV;
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Ecut = 100*keV;
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G4cout << "\n #### proton : CrossSection, MeanFreePath and StoppingPower"
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<< " for " << material->GetName()
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<< ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
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G4cout << "\n Energy \t ionization \t";
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G4cout << "\t ionization \t";
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G4cout << "\t ionization" << G4endl;
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for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
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G4cout << "\n " << G4BestUnit (Energy, "Energy")
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<< "\t"
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<< G4BestUnit (ioni->ComputeCrossSectionPerAtom(prot,Energy,Z,A,Ecut),
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"Surface")
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<< "\t \t"
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<< G4BestUnit (ioni->ComputeMeanFreePath(prot,Energy,material,Ecut),
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"Length")
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<< "\t \t"
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<< G4BestUnit (ioni->ComputeDEDXPerVolume(material,prot,Energy,Ecut),
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"Energy/Length");
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}
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G4cout << G4endl;
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// low energy : Bragg Model
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ioni = new G4BraggModel(prot);
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ioni->Initialise(prot, cuts);
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// compute CrossSection per atom and MeanFreePath
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//
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Emin = 1.1*keV; Emax = 2.01*MeV; dE = 300*keV;
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Ecut = 10*keV;
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G4cout << "\n #### proton : low energy model (Bragg) "
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<< ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
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G4cout << "\n Energy \t ionization \t";
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G4cout << "\t ionization \t";
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G4cout << "\t ionization" << G4endl;
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for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
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G4cout << "\n " << G4BestUnit (Energy, "Energy")
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<< "\t"
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<< G4BestUnit (ioni->ComputeCrossSectionPerAtom(prot,Energy,Z,A,Ecut),
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"Surface")
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<< "\t \t"
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<< G4BestUnit (ioni->ComputeMeanFreePath(prot,Energy,material,Ecut),
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"Length")
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<< "\t \t"
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<< G4BestUnit (ioni->ComputeDEDXPerVolume(material,prot,Energy,Ecut),
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"Energy/Length");
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}
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G4cout << G4endl;
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// initialise muon processes (models)
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//
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ioni = new G4MuBetheBlochModel();
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brem = new G4MuBremsstrahlungModel();
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G4VEmModel* pair = new G4MuPairProductionModel();
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ioni->Initialise(muon, cuts);
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brem->Initialise(muon, cuts);
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pair->Initialise(muon, cuts);
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// compute CrossSection per atom and MeanFreePath
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//
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Emin = 1.01*GeV; Emax = 101.01*GeV; dE = 10*GeV;
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Ecut = 10*MeV;
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G4cout << "\n ####muon: CrossSection and MeanFreePath for "
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<< material->GetName()
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<< ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
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G4cout << "\n Energy \t ionization \t bremsstra \t pair_prod \t";
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G4cout << "\t ionization \t bremsstra \t pair_prod" << G4endl;
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for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
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G4cout << "\n " << G4BestUnit (Energy, "Energy")
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<< "\t"
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<< G4BestUnit (ioni->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut),
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"Surface")
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<< "\t"
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<< G4BestUnit (brem->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut),
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"Surface")
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<< "\t"
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<< G4BestUnit (pair->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut),
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"Surface")
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<< "\t \t"
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<< G4BestUnit (ioni->ComputeMeanFreePath(muon,Energy,material,Ecut),
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"Length")
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<< "\t"
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<< G4BestUnit (brem->ComputeMeanFreePath(muon,Energy,material,Ecut),
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"Length")
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<< "\t"
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<< G4BestUnit (pair->ComputeMeanFreePath(muon,Energy,material,Ecut),
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"Length");
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}
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G4cout << G4endl;
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G4cout << "\n ####muon: StoppingPower for "
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<< material->GetName()
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<< ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
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G4cout << "\n Energy \t ionization \t bremsstra \t pair_prod \t" << G4endl;
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for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
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G4cout << "\n " << G4BestUnit (Energy, "Energy")
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<< "\t"
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<< G4BestUnit (ioni->ComputeDEDXPerVolume(material,muon,Energy,Ecut),
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"Energy/Length")
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<< "\t"
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<< G4BestUnit (brem->ComputeDEDXPerVolume(material,muon,Energy,Ecut),
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"Energy/Length")
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<< "\t"
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<< G4BestUnit (pair->ComputeDEDXPerVolume(material,muon,Energy,Ecut),
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"Energy/Length");
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}
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G4cout << G4endl;
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return EXIT_SUCCESS;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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