Gabriele Cosmo
171 lines
5.4 KiB
C++
171 lines
5.4 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: Em4PhysicsList.cc,v 1.3.4.1 2001/06/28 19:07:02 gunter Exp $
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// GEANT4 tag $Name: $
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//
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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 "Em4PhysicsList.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4ParticleWithCuts.hh"
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#include "G4ProcessManager.hh"
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#include "G4ParticleTypes.hh"
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#include "G4ParticleTable.hh"
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#include "G4ios.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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Em4PhysicsList::Em4PhysicsList()
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: G4VUserPhysicsList()
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{
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defaultCutValue = 1.0*mm;
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SetVerboseLevel(1);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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Em4PhysicsList::~Em4PhysicsList()
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{}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void Em4PhysicsList::ConstructParticle()
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{
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// In this method, static member functions should be called
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// for all particles which you want to use.
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// This ensures that objects of these particle types will be
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// created in the program.
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ConstructBosons();
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ConstructLeptons();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void Em4PhysicsList::ConstructBosons()
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{
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// gamma
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G4Gamma::GammaDefinition();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void Em4PhysicsList::ConstructLeptons()
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{
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// leptons
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G4Electron::ElectronDefinition();
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G4Positron::PositronDefinition();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void Em4PhysicsList::ConstructProcess()
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{
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AddTransportation();
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ConstructEM();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#include "G4ComptonScattering.hh"
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#include "G4GammaConversion.hh"
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#include "G4PhotoElectricEffect.hh"
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#include "G4MultipleScattering.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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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void Em4PhysicsList::ConstructEM()
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{
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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* pmanager = particle->GetProcessManager();
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G4String particleName = particle->GetParticleName();
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if (particleName == "gamma") {
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// gamma
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pmanager->AddDiscreteProcess(new G4PhotoElectricEffect);
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pmanager->AddDiscreteProcess(new G4ComptonScattering);
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pmanager->AddDiscreteProcess(new G4GammaConversion);
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} else if (particleName == "e-") {
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//electron
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pmanager->AddProcess(new G4MultipleScattering,-1,1,1);
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pmanager->AddProcess(new G4eIonisation, -1,2,2);
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pmanager->AddProcess(new G4eBremsstrahlung, -1,-1,3);
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} else if (particleName == "e+") {
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//positron
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pmanager->AddProcess(new G4MultipleScattering,-1,1,1);
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pmanager->AddProcess(new G4eIonisation, -1,2,2);
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pmanager->AddProcess(new G4eBremsstrahlung, -1,-1,3);
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pmanager->AddProcess(new G4eplusAnnihilation, 0,-1,4);
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}
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void Em4PhysicsList::SetCuts()
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{
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if (verboseLevel >0){
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G4cout << "Em4PhysicsList::SetCuts:";
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G4cout << "CutLength : " << defaultCutValue/mm << " (mm)" << G4endl;
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}
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//special for low energy physics
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//
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G4double lowlimit=250*eV;
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G4Gamma ::SetEnergyRange(lowlimit,100*GeV);
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G4Electron::SetEnergyRange(lowlimit,100*GeV);
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G4Positron::SetEnergyRange(lowlimit,100*GeV);
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// set cut values for gamma at first and for e- second and next for e+,
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// because some processes for e+/e- need cut values for gamma
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SetCutValue(defaultCutValue, "gamma");
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SetCutValue(defaultCutValue, "e-");
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SetCutValue(defaultCutValue, "e+");
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if (verboseLevel>0) DumpCutValuesTable();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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