///////////////////////////////////////////////////////////////////////// // G4Tutorial: // // PhysicsEMPhotonStandard.cc // // Assembling electromagnetic physics processes for photons. // // The considered processes are G4PhotoElectricEffect, G4ComptonScattering // and G4GammaConversion // ///////////////////////////////////////////////////////////////////////// #include "PhysicsEMPhotonStandard.hh" #include "G4ProcessManager.hh" #include "G4ParticleDefinition.hh" #include "G4Gamma.hh" #include "G4ComptonScattering.hh" #include "G4GammaConversion.hh" #include "G4PhotoElectricEffect.hh" #include "G4StepLimiter.hh" PhysicsEMPhotonStandard::PhysicsEMPhotonStandard(const G4String& name): G4VPhysicsConstructor(name) { // Information about physics processes is printed: G4cout << "ELECTROMAGNETIC PROCESS(ES): G4PhotoElectricEffect (photon)" << G4endl << " G4ComptonScattering (photon)" << G4endl << " G4GammaConversion (photon)" << G4endl << "APPLIED MODEL(S): -" << G4endl; } PhysicsEMPhotonStandard::~PhysicsEMPhotonStandard() { } void PhysicsEMPhotonStandard::ConstructProcess() { // ************** // *** Photon *** // ************** // The considered physics processes are instantiated: G4PhotoElectricEffect* photPhotoElectricProcess = new G4PhotoElectricEffect(); G4ComptonScattering* photComptonProcess = new G4ComptonScattering; G4GammaConversion* photGammaConvProcess = new G4GammaConversion; // The step limiter process is instantiated: G4StepLimiter* photStepLimiter = new G4StepLimiter(); // Finally, the processes are added to the particles' process manager: G4ParticleDefinition* particle = G4Gamma::Gamma(); G4ProcessManager* processManager = particle -> GetProcessManager(); processManager -> AddDiscreteProcess(photPhotoElectricProcess); processManager -> AddDiscreteProcess(photComptonProcess); processManager -> AddDiscreteProcess(photGammaConvProcess); processManager -> AddDiscreteProcess(photStepLimiter); }