PhysListEmStandard.cc

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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 "G4MuMultipleScattering.hh"
#include "G4hMultipleScattering.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"
 
#ifdef theParticleIterator
#undef theParticleIterator
#endif
 
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PhysListEmStandard::PhysListEmStandard(const G4String& name)
  :  G4VPhysicsConstructor(name)
{ }
 
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PhysListEmStandard::~PhysListEmStandard()
{ }
 
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void PhysListEmStandard::ConstructProcess()
{
  G4ParticleTable::G4PTblDicIterator*
  theParticleIterator = theParticleTable-> GetIterator();
    
  // Add standard EM Processes
 
  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->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 == "alpha" || 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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