// $Id$
// Category: physics
//
-// According to corresponding part of:
-// ExN04PhysicsList.cc,v 1.7 1999/12/15 14:49:26 gunter
-// GEANT4 tag Name: geant4-01-01
+// Author: I. Hrivnacova
+//
+// Class TG4PhysicsConstructorEM
+// -----------------------------
+// See the class description in the header file.
+// According to ExN04EMPhysics.cc,v 1.1.2.1 2001/06/28 19:07:37 gunter Exp
+// GEANT4 tag Name: geant4-03-02
#include "TG4PhysicsConstructorEM.h"
+#include "TG4ProcessControlMap.h"
+#include "TG4ProcessMCMap.h"
#include <G4ParticleDefinition.hh>
#include <G4ProcessManager.hh>
-#include <G4ComptonScattering.hh>
-#include <G4GammaConversion.hh>
-#include <G4PhotoElectricEffect.hh>
-#include <G4MultipleScattering.hh>
-#include <G4eIonisation.hh>
-#include <G4eBremsstrahlung.hh>
-#include <G4eplusAnnihilation.hh>
-#include <G4MuIonisation.hh>
-#include <G4MuBremsstrahlung.hh>
-#include <G4MuPairProduction.hh>
-#include <G4hIonisation.hh>
+#include <G4Gamma.hh>
+#include <G4Electron.hh>
+#include <G4Positron.hh>
+#include <G4NeutrinoE.hh>
+#include <G4AntiNeutrinoE.hh>
//_____________________________________________________________________________
TG4PhysicsConstructorEM::TG4PhysicsConstructorEM(const G4String& name)
- : G4VPhysicsConstructor(name)
-{
+ : TG4VPhysicsConstructor(name) {
+//
+}
+
+//_____________________________________________________________________________
+TG4PhysicsConstructorEM::TG4PhysicsConstructorEM(G4int verboseLevel,
+ const G4String& name)
+ : TG4VPhysicsConstructor(name, verboseLevel) {
//
- SetVerboseLevel(1);
}
//_____________________________________________________________________________
//
}
+// private methods
+
+//_____________________________________________________________________________
+void TG4PhysicsConstructorEM::ConstructProcessForGamma()
+{
+// Constructs electromagnetic processes for gamma.
+// ---
+
+ // add processes
+ G4ProcessManager* pManager = G4Gamma::Gamma()->GetProcessManager();
+ pManager->AddDiscreteProcess(&fPhotoEffect);
+ pManager->AddDiscreteProcess(&fComptonEffect);
+ pManager->AddDiscreteProcess(&fPairProduction);
+
+ // map to G3 controls
+ TG4ProcessControlMap* controlMap = TG4ProcessControlMap::Instance();
+ controlMap->Add(&fPhotoEffect, kPHOT);
+ controlMap->Add(&fComptonEffect, kCOMP);
+ controlMap->Add(&fPairProduction, kPAIR);
+
+ // map to AliMCProcess codes
+ TG4ProcessMCMap* mcMap = TG4ProcessMCMap::Instance();
+ mcMap->Add(&fPhotoEffect, kPPhotoelectric);
+ mcMap->Add(&fComptonEffect, kPCompton);
+ mcMap->Add(&fPairProduction, kPPair);
+}
+
+
+//_____________________________________________________________________________
+void TG4PhysicsConstructorEM::ConstructProcessForElectron()
+{
+// Constructs electromagnetic processes for e-.
+// ---
+
+ // add process
+ G4ProcessManager* pManager = G4Electron::Electron()->GetProcessManager();
+ pManager->AddDiscreteProcess(&fElectronBremsStrahlung);
+ pManager->AddProcess(&fElectronIonisation, ordInActive, 2, 2);
+ pManager->AddProcess(&fElectronMultipleScattering);
+
+ // set ordering
+ pManager->SetProcessOrdering(&fElectronMultipleScattering, idxAlongStep, 1);
+ pManager->SetProcessOrdering(&fElectronMultipleScattering, idxPostStep, 1);
+
+ // map to G3 controls
+ TG4ProcessControlMap* controlMap = TG4ProcessControlMap::Instance();
+ controlMap->Add(&fElectronBremsStrahlung, kBREM);
+ controlMap->Add(&fElectronIonisation, kLOSS);
+ controlMap->Add(&fElectronMultipleScattering, kMULS);
+
+ // map to AliMCProcess codes
+ TG4ProcessMCMap* mcMap = TG4ProcessMCMap::Instance();
+ mcMap->Add(&fElectronBremsStrahlung, kPBrem);
+ mcMap->Add(&fElectronMultipleScattering, kPMultipleScattering);
+ mcMap->Add(&fElectronIonisation, kPEnergyLoss);
+}
+
+//_____________________________________________________________________________
+void TG4PhysicsConstructorEM::ConstructProcessForPositron()
+{
+// Constructs electromagnetic processes for e+.
+// ---
+
+ // add processes
+ G4ProcessManager * pManager = G4Positron::Positron()->GetProcessManager();
+ pManager->AddDiscreteProcess(&fPositronBremsStrahlung);
+ pManager->AddDiscreteProcess(&fAnnihilation);
+ pManager->AddRestProcess(&fAnnihilation);
+ pManager->AddProcess(&fPositronIonisation, ordInActive,2, 2);
+ pManager->AddProcess(&fPositronMultipleScattering);
+
+ // set ordering
+ pManager->SetProcessOrdering(&fPositronMultipleScattering, idxAlongStep, 1);
+ pManager->SetProcessOrdering(&fPositronMultipleScattering, idxPostStep, 1);
+
+ // map to G3 controls
+ TG4ProcessControlMap* controlMap = TG4ProcessControlMap::Instance();
+ controlMap->Add(&fPositronBremsStrahlung, kBREM);
+ controlMap->Add(&fAnnihilation, kANNI);
+ controlMap->Add(&fPositronIonisation, kLOSS);
+ controlMap->Add(&fPositronMultipleScattering, kMULS);
+
+ // map to AliMCProcess codes
+ TG4ProcessMCMap* mcMap = TG4ProcessMCMap::Instance();
+ mcMap->Add(&fPositronBremsStrahlung, kPBrem);
+ mcMap->Add(&fAnnihilation, kPAnnihilation);
+ mcMap->Add(&fPositronIonisation, kPEnergyLoss);
+ mcMap->Add(&fPositronMultipleScattering, kPMultipleScattering);
+}
+
// protected methods
//_____________________________________________________________________________
void TG4PhysicsConstructorEM::ConstructParticle()
{
-// The particles are constructed in the
-// TG4ModularPhysicsList.
+// Instantiates particles.
// ---
+
+ // gamma
+ G4Gamma::GammaDefinition();
+
+ // electron
+ G4Electron::ElectronDefinition();
+ G4Positron::PositronDefinition();
+ G4NeutrinoE::NeutrinoEDefinition();
+ G4AntiNeutrinoE::AntiNeutrinoEDefinition();
}
//_____________________________________________________________________________
void TG4PhysicsConstructorEM::ConstructProcess()
{
-// Constructs electromagnetic processes.
+// Constructs electromagnetic processes for e+.
// ---
- theParticleIterator->reset();
- while( (*theParticleIterator)() ){
- G4ParticleDefinition* particle = theParticleIterator->value();
- G4ProcessManager* pmanager = particle->GetProcessManager();
- G4String particleName = particle->GetParticleName();
-
- if (particleName == "gamma") {
- // gamma
- // Construct processes for gamma
- pmanager->AddDiscreteProcess(new G4GammaConversion());
- pmanager->AddDiscreteProcess(new G4ComptonScattering());
- pmanager->AddDiscreteProcess(new G4PhotoElectricEffect());
-
- } else if (particleName == "e-") {
- //electron
- // Construct processes for electron
- G4VProcess* theeminusMultipleScattering = new G4MultipleScattering();
- G4VProcess* theeminusIonisation = new G4eIonisation();
- G4VProcess* theeminusBremsstrahlung = new G4eBremsstrahlung();
- // add processes
- pmanager->AddProcess(theeminusMultipleScattering);
- pmanager->AddProcess(theeminusIonisation);
- pmanager->AddProcess(theeminusBremsstrahlung);
- // set ordering for AlongStepDoIt
- pmanager->SetProcessOrdering(theeminusMultipleScattering, idxAlongStep, 1);
- pmanager->SetProcessOrdering(theeminusIonisation, idxAlongStep, 2);
- // set ordering for PostStepDoIt
- pmanager->SetProcessOrdering(theeminusMultipleScattering, idxPostStep, 1);
- pmanager->SetProcessOrdering(theeminusIonisation, idxPostStep, 2);
- pmanager->SetProcessOrdering(theeminusBremsstrahlung, idxPostStep, 3);
-
- } else if (particleName == "e+") {
- //positron
- // Construct processes for positron
- G4VProcess* theeplusMultipleScattering = new G4MultipleScattering();
- G4VProcess* theeplusIonisation = new G4eIonisation();
- G4VProcess* theeplusBremsstrahlung = new G4eBremsstrahlung();
- G4VProcess* theeplusAnnihilation = new G4eplusAnnihilation();
- // add processes
- pmanager->AddProcess(theeplusMultipleScattering);
- pmanager->AddProcess(theeplusIonisation);
- pmanager->AddProcess(theeplusBremsstrahlung);
- pmanager->AddProcess(theeplusAnnihilation);
- // set ordering for AtRestDoIt
- pmanager->SetProcessOrderingToFirst(theeplusAnnihilation, idxAtRest);
- // set ordering for AlongStepDoIt
- pmanager->SetProcessOrdering(theeplusMultipleScattering, idxAlongStep, 1);
- pmanager->SetProcessOrdering(theeplusIonisation, idxAlongStep, 2);
- // set ordering for PostStepDoIt
- pmanager->SetProcessOrdering(theeplusMultipleScattering, idxPostStep, 1);
- pmanager->SetProcessOrdering(theeplusIonisation, idxPostStep, 2);
- pmanager->SetProcessOrdering(theeplusBremsstrahlung, idxPostStep, 3);
- pmanager->SetProcessOrdering(theeplusAnnihilation, idxPostStep, 4);
-
- } else if( particleName == "mu+" ||
- particleName == "mu-" ) {
- //muon
- // Construct processes for muon+
- G4VProcess* aMultipleScattering = new G4MultipleScattering();
- G4VProcess* aBremsstrahlung = new G4MuBremsstrahlung();
- G4VProcess* aPairProduction = new G4MuPairProduction();
- G4VProcess* anIonisation = new G4MuIonisation();
- // add processes
- pmanager->AddProcess(anIonisation);
- pmanager->AddProcess(aMultipleScattering);
- pmanager->AddProcess(aBremsstrahlung);
- pmanager->AddProcess(aPairProduction);
- // set ordering for AlongStepDoIt
- pmanager->SetProcessOrdering(aMultipleScattering, idxAlongStep, 1);
- pmanager->SetProcessOrdering(anIonisation, idxAlongStep, 2);
- // set ordering for PostStepDoIt
- pmanager->SetProcessOrdering(aMultipleScattering, idxPostStep, 1);
- pmanager->SetProcessOrdering(anIonisation, idxPostStep, 2);
- pmanager->SetProcessOrdering(aBremsstrahlung, idxPostStep, 3);
- pmanager->SetProcessOrdering(aPairProduction, idxPostStep, 4);
-
- } else if( particleName == "GenericIon" ) {
- G4VProcess* aionIonization = new G4hIonisation;
- G4VProcess* aMultipleScattering = new G4MultipleScattering();
- pmanager->AddProcess(aionIonization);
- pmanager->AddProcess(aMultipleScattering);
- // set ordering for AlongStepDoIt
- pmanager->SetProcessOrdering(aMultipleScattering, idxAlongStep, 1);
- pmanager->SetProcessOrdering(aionIonization, idxAlongStep, 2);
- // set ordering for PostStepDoIt
- pmanager->SetProcessOrdering(aMultipleScattering, idxPostStep, 1);
- pmanager->SetProcessOrdering(aionIonization, idxPostStep, 2);
-
- } else if ((!particle->IsShortLived()) &&
- (particle->GetPDGCharge() != 0.0) &&
- (particle->GetParticleName() != "chargedgeantino")) {
- // all others charged particles except geantino
- G4VProcess* aMultipleScattering = new G4MultipleScattering();
- G4VProcess* anIonisation = new G4hIonisation();
- // add processes
- pmanager->AddProcess(anIonisation);
- pmanager->AddProcess(aMultipleScattering);
- // set ordering for AlongStepDoIt
- pmanager->SetProcessOrdering(aMultipleScattering, idxAlongStep, 1);
- pmanager->SetProcessOrdering(anIonisation, idxAlongStep, 2);
- // set ordering for PostStepDoIt
- pmanager->SetProcessOrdering(aMultipleScattering, idxPostStep, 1);
- pmanager->SetProcessOrdering(anIonisation, idxPostStep, 2);
- }
- }
-
- if (verboseLevel>0)
+ ConstructProcessForGamma();
+ ConstructProcessForElectron();
+ ConstructProcessForPositron();
+
+ if (VerboseLevel() > 0) {
G4cout << "### Electromagnetic physics constructed." << G4endl;
+ }
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff