336 lines
11 KiB
C++
336 lines
11 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: eRositaPhysicsList.cc 107396 2017-11-10 08:28:08Z gcosmo $
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//
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#include "globals.hh"
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#include "eRositaPhysicsList.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4ProcessManager.hh"
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#include "G4ParticleTypes.hh"
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#include "G4PhotoElectricEffect.hh"
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#include "G4ComptonScattering.hh"
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#include "G4GammaConversion.hh"
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#include "G4RayleighScattering.hh"
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#include "G4eIonisation.hh"
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#include "G4eBremsstrahlung.hh"
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#include "G4eMultipleScattering.hh"
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#include "G4hMultipleScattering.hh"
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#include "G4eIonisation.hh"
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#include "G4eBremsstrahlung.hh"
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#include "G4eplusAnnihilation.hh"
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#include "G4hIonisation.hh"
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#include "G4ionIonisation.hh"
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#include "G4hImpactIonisation.hh"
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#include "G4ProductionCutsTable.hh"
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eRositaPhysicsList::eRositaPhysicsList(): G4VUserPhysicsList()
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{
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defaultCutValue = 0.001*mm;
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SetVerboseLevel(1);
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std::cout << "==============================================================================="
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<< std::endl
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<< "Geant4 eRosita example - based on a simplified version of eROSITA simulation"
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<< std::endl
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<< "Further details can be found in:"
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<< std::endl
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<< "M.G. Pia et al., 'PIXE Simulation With Geant4', "
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<< "IEEE Trans. Nucl. Sci., vol. 56, no. 6, pp. 3614-3649, 2009"
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<< std::endl
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<< "N. Meidinger et al., 'Development of the focal plane PNCCD camera system for the X-ray space telescope eROSITA', "
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<< std::endl
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<<"NIM A 624, 321-329, 2010"
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<< std::endl
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<< "==============================================================================="
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<< std::endl;
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std::cout<< std::endl;
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std::cout << "==============================================================================="
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<< std::endl
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<< " The use of G4LowEnergyIonisation, G4LowEnergyBremsstrahlung, "
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<< std::endl
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<< "G4LowEnergyPhotoElectric, G4LowEnergyCompton, G4LowEnergyGammaConversion"
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<< std::endl
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<< "in this example is intentional. These classes will be replaced by other classes"
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<< std::endl
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<< "appropriate to the problem domain in a forthcoming Geant4 version"
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<< std::endl
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<< "==============================================================================="
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<< std::endl;
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}
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eRositaPhysicsList::~eRositaPhysicsList()
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{}
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void eRositaPhysicsList::ConstructParticle()
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{
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ConstructBosons();
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ConstructLeptons();
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ConstructMesons();
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ConstructBaryons();
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}
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void eRositaPhysicsList::ConstructBosons()
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{
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// pseudo-particles
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//G4Geantino::GeantinoDefinition();
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//G4ChargedGeantino::ChargedGeantinoDefinition();
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// gamma
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G4Gamma::GammaDefinition();
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}
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void eRositaPhysicsList::ConstructLeptons()
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{
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// leptons
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// e+/-
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G4Electron::ElectronDefinition();
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G4Positron::PositronDefinition();
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// mu+/-
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//G4MuonPlus::MuonPlusDefinition();
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//G4MuonMinus::MuonMinusDefinition();
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// nu_e
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//G4NeutrinoE::NeutrinoEDefinition();
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//G4AntiNeutrinoE::AntiNeutrinoEDefinition();
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// nu_mu
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//G4NeutrinoMu::NeutrinoMuDefinition();
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//G4AntiNeutrinoMu::AntiNeutrinoMuDefinition();
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}
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void eRositaPhysicsList::ConstructMesons()
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{
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// mesons
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// light mesons
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//G4PionPlus::PionPlusDefinition();
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//G4PionMinus::PionMinusDefinition();
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//G4PionZero::PionZeroDefinition();
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//G4Eta::EtaDefinition();
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//G4EtaPrime::EtaPrimeDefinition();
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//G4KaonPlus::KaonPlusDefinition();
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//G4KaonMinus::KaonMinusDefinition();
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//G4KaonZero::KaonZeroDefinition();
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//G4AntiKaonZero::AntiKaonZeroDefinition();
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//G4KaonZeroLong::KaonZeroLongDefinition();
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//G4KaonZeroShort::KaonZeroShortDefinition();
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}
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void eRositaPhysicsList::ConstructBaryons()
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{
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// barions
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G4Proton::ProtonDefinition();
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G4AntiProton::AntiProtonDefinition();
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//G4Neutron::NeutronDefinition();
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//G4AntiNeutron::AntiNeutronDefinition();
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}
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void eRositaPhysicsList::ConstructProcess()
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{
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AddTransportation();
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ConstructEM();
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ConstructGeneral();
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//AddStepMax();
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}
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void eRositaPhysicsList::ConstructEM()
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{
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auto theParticleIterator=GetParticleIterator();
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theParticleIterator->reset();
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while( (*theParticleIterator)() ){
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G4ParticleDefinition* particle = theParticleIterator->value();
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G4ProcessManager* processManager = particle->GetProcessManager();
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G4String particleName = particle->GetParticleName();
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if (particleName == "gamma") {
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// photon
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G4PhotoElectricEffect* photoelectric = new G4PhotoElectricEffect;
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//photoelectric->ActivateAuger(true);
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//photoelectric->SetCutForLowEnSecPhotons(0.250 * keV);
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//photoelectric->SetCutForLowEnSecElectrons(0.250 * keV);
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G4ComptonScattering* compton = new G4ComptonScattering;
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G4GammaConversion* gammaConversion = new G4GammaConversion;
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G4RayleighScattering* rayleigh = new G4RayleighScattering;
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processManager -> AddDiscreteProcess(photoelectric);
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processManager -> AddDiscreteProcess(compton);
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processManager -> AddDiscreteProcess(gammaConversion);
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processManager -> AddDiscreteProcess(rayleigh);
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} else if (particleName == "e-") {
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// electron
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G4eMultipleScattering* eMultipleScattering = new G4eMultipleScattering();
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G4eIonisation* eIonisation = new G4eIonisation();
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G4eBremsstrahlung* eBremsstrahlung = new G4eBremsstrahlung();
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processManager -> AddProcess(eMultipleScattering, -1, 1, 1);
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processManager -> AddProcess(eIonisation, -1, 2, 2);
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processManager -> AddProcess(eBremsstrahlung, -1, -1, 3);
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} else if (particleName == "e+") {
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// positron
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processManager->AddProcess(new G4eMultipleScattering, -1, 1, 1);
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processManager->AddProcess(new G4eIonisation, -1, 2, 2);
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processManager->AddProcess(new G4eBremsstrahlung, -1, 3, 3);
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processManager->AddProcess(new G4eplusAnnihilation, 0,-1, 4);
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//} else if( particleName == "mu+" ||
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// particleName == "mu-" ) {
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//muon
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//processManager->AddProcess(new G4MuMultipleScattering, -1, 1, 1);
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//processManager->AddProcess(new G4MuIonisation, -1, 2, 2);
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//processManager->AddProcess(new G4MuBremsstrahlung, -1, 3, 3);
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//processManager->AddProcess(new G4MuPairProduction, -1, 4, 4);
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} else if( particleName == "proton" ||
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particleName == "pi-" ||
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particleName == "pi+" ) {
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//proton
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/*
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G4hImpactIonisation* hIonisation = new G4hImpactIonisation();
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hIonisation->SetPixeCrossSectionK("ecpssr");
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hIonisation->SetPixeCrossSectionL("ecpssr");
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hIonisation->SetPixeCrossSectionM("ecpssr");
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hIonisation->SetPixeProjectileMinEnergy(1.* keV);
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hIonisation->SetPixeProjectileMaxEnergy(200. * MeV);
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hIonisation->SetCutForSecondaryPhotons(250. * eV);
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hIonisation->SetCutForAugerElectrons(250. * eV);
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*/
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G4hIonisation* hIonisation = new G4hIonisation();
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G4hMultipleScattering* hMultipleScattering = new G4hMultipleScattering();
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processManager -> AddProcess(hMultipleScattering, -1, 1, 1);
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processManager -> AddProcess(hIonisation, -1, 2, 2);
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} else if( particleName == "alpha" ||
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particleName == "He3" ||
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particleName == "pi-" ||
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particleName == "pi+" ||
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particleName == "GenericIon" ) {
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// pions, alpha, ions (should never occur in the current example)
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processManager->AddProcess(new G4hMultipleScattering, -1, 1, 1);
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processManager->AddProcess(new G4ionIonisation, -1, 2, 2);
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} else if ((!particle->IsShortLived()) &&
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(particle->GetPDGCharge() != 0.0) &&
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(particle->GetParticleName() != "chargedgeantino")) {
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//all others charged particles except geantino
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processManager->AddProcess(new G4hMultipleScattering, -1, 1, 1);
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processManager->AddProcess(new G4hIonisation, -1, 2, 2);
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}
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}
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}
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#include "G4Decay.hh"
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void eRositaPhysicsList::ConstructGeneral()
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{
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// Add Decay Process
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G4Decay* theDecayProcess = new G4Decay();
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auto theParticleIterator=GetParticleIterator();
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theParticleIterator->reset();
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while( (*theParticleIterator)() ){
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G4ParticleDefinition* particle = theParticleIterator->value();
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G4ProcessManager* processManager = particle->GetProcessManager();
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if (theDecayProcess->IsApplicable(*particle)) {
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processManager ->AddProcess(theDecayProcess);
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// set ordering for PostStepDoIt and AtRestDoIt
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processManager ->SetProcessOrdering(theDecayProcess, idxPostStep);
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processManager ->SetProcessOrdering(theDecayProcess, idxAtRest);
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}
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}
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}
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/*
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#include "G4StepLimiter.hh"
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#include "G4UserSpecialCuts.hh"
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void eRositaPhysicsList::AddStepMax()
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{
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// Step limitation seen as a process
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G4StepLimiter* stepLimiter = new G4StepLimiter();
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////G4UserSpecialCuts* userCuts = new G4UserSpecialCuts();
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theParticleIterator->reset();
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while ((*theParticleIterator)()){
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G4ParticleDefinition* particle = theParticleIterator->value();
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G4ProcessManager* processManager = particle->GetProcessManager();
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if (particle->GetPDGCharge() != 0.0)
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{
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processManager ->AddDiscreteProcess(stepLimiter);
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////processManager ->AddDiscreteProcess(userCuts);
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}
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}
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}
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*/
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void eRositaPhysicsList::SetCuts()
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{
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//G4VUserPhysicsList::SetCutsWithDefault method sets
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//the default cut value for all particle types
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//
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SetCutsWithDefault();
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// Set the secondary production cut lower than 990. eV
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// Very important for processes at low energies
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G4double lowLimit = 250. * eV;
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G4double highLimit = 100. * GeV;
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G4ProductionCutsTable::GetProductionCutsTable()->SetEnergyRange(lowLimit, highLimit);
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if (verboseLevel>0) DumpCutValuesTable();
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}
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