PhysListEmStandard.cc

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// $Id: PhysListEmStandard.cc 100277 2016-10-17 08:32:55Z gcosmo $
//
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#include "PhysListEmStandard.hh"
#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"

#include "G4ComptonScattering.hh"
#include "G4GammaConversion.hh"
#include "G4PhotoElectricEffect.hh"

#include "G4eMultipleScattering.hh"
#include "G4hMultipleScattering.hh"
#include "G4MuMultipleScattering.hh"

#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"

#include "G4MuIonisation.hh"
#include "G4MuBremsstrahlung.hh"
#include "G4MuPairProduction.hh"

#include "G4hIonisation.hh"
#include "G4ionIonisation.hh"

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PhysListEmStandard::PhysListEmStandard(const G4String& name)
   :  G4VPhysicsConstructor(name)
{}

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PhysListEmStandard::~PhysListEmStandard()
{}

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void PhysListEmStandard::ConstructProcess()
{
  // Add standard EM Processes
  
  auto particleIterator=GetParticleIterator();
  particleIterator->reset();
  while( (*particleIterator)() ){
    G4ParticleDefinition* particle = particleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String particleName = particle->GetParticleName();
     
    if (particleName == "gamma") {
      // gamma         
      pmanager->AddDiscreteProcess(new G4PhotoElectricEffect);
      pmanager->AddDiscreteProcess(new G4ComptonScattering);
      pmanager->AddDiscreteProcess(new G4GammaConversion);
      
    } else if (particleName == "e-") {
      //electron
      pmanager->AddProcess(new G4eMultipleScattering, -1, 1,1);            
      pmanager->AddProcess(new G4eIonisation,         -1, 2,2);
      pmanager->AddProcess(new G4eBremsstrahlung,     -1, 3,3);
                  
    } else if (particleName == "e+") {
      //positron
      pmanager->AddProcess(new G4eMultipleScattering, -1, 1,1);           
      pmanager->AddProcess(new G4eIonisation,         -1, 2,2);
      pmanager->AddProcess(new G4eBremsstrahlung,     -1, 3,3);
      pmanager->AddProcess(new G4eplusAnnihilation,    0,-1,4);
            
    } else if( particleName == "mu+" || 
               particleName == "mu-"    ) {
      //muon  
      pmanager->AddProcess(new G4MuMultipleScattering, -1, 1,1);
      pmanager->AddProcess(new G4MuIonisation,         -1, 2,2);
      pmanager->AddProcess(new G4MuBremsstrahlung,     -1, 3,3);
      pmanager->AddProcess(new G4MuPairProduction,     -1, 4,4);       
     
    } else if( particleName == "GenericIon" ) { 
      pmanager->AddProcess(new G4hMultipleScattering,  -1, 1,1);
      pmanager->AddProcess(new G4ionIonisation,        -1, 2,2);

    } else if ((!particle->IsShortLived()) &&
               (particle->GetPDGCharge() != 0.0) && 
               (particle->GetParticleName() != "chargedgeantino")) {
      //all others charged particles except geantino
      pmanager->AddProcess(new G4hMultipleScattering, -1,1,1);
      pmanager->AddProcess(new G4hIonisation,         -1,2,2);
    }
  }
}

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