Gabriele Cosmo
136 lines
5.1 KiB
C++
136 lines
5.1 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// --------------------------------------------------------------
|
|
// GEANT 4 - ULTRA experiment example
|
|
// --------------------------------------------------------------
|
|
//
|
|
// Code developed by:
|
|
// B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues
|
|
//
|
|
// ****************************************************
|
|
// * UltraPrimaryGeneratorAction.cc
|
|
// ****************************************************
|
|
//
|
|
// Class used in the definition of the optical photons source
|
|
// A plane, circular source is used. Depending on the source position, optical
|
|
// photons may reach the UVscope directly or after reflection. By default direct
|
|
// incidence is used. The source parameters can be set directly in this class
|
|
// or through the GeneralParticleSource messenger class.
|
|
//
|
|
#include "UltraPrimaryGeneratorAction.hh"
|
|
|
|
#include "G4Event.hh"
|
|
#include "G4GeneralParticleSource.hh"
|
|
#include "G4SPSAngDistribution.hh"
|
|
#include "G4SPSEneDistribution.hh"
|
|
#include "G4SPSPosDistribution.hh"
|
|
#include "G4ParticleTable.hh"
|
|
#include "G4ParticleDefinition.hh"
|
|
#include "G4ThreeVector.hh"
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
UltraPrimaryGeneratorAction::UltraPrimaryGeneratorAction()
|
|
{
|
|
|
|
particleGun = new G4GeneralParticleSource();
|
|
|
|
|
|
// Define here the user default properties for the General Particle Source (GPS)
|
|
// Can be modified through the GPS Messenger (/gps/... commands)
|
|
|
|
G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
|
|
G4String particleName;
|
|
|
|
G4ParticleDefinition* opticalphoton = particleTable->FindParticle(particleName="opticalphoton");
|
|
|
|
//....PARTICLE DEFINITIONS
|
|
particleGun->SetParticleDefinition(opticalphoton);
|
|
|
|
G4ThreeVector Polarization = G4ThreeVector(1.,1.,0.) ;
|
|
particleGun->SetParticlePolarization(Polarization);
|
|
|
|
// DEFINE A MONO-ENERGETIC SOURCE
|
|
G4SPSEneDistribution *eneDist = particleGun->GetCurrentSource()->GetEneDist() ;
|
|
eneDist->SetEnergyDisType("Mono");
|
|
eneDist->SetMonoEnergy(3.0*eV);
|
|
|
|
// SET POSITION DISTRIBUTION
|
|
G4SPSPosDistribution *posDist = particleGun->GetCurrentSource()->GetPosDist() ;
|
|
posDist->SetPosDisType("Plane");
|
|
posDist->SetPosDisShape("Circle");
|
|
posDist->SetRadius(20.0*cm);
|
|
|
|
#ifdef ULTRA_MIRROR_USE
|
|
#define ULTRA_REFLECTION_USE
|
|
#endif
|
|
|
|
#ifdef ULTRA_GROUND_USE
|
|
#define ULTRA_REFLECTION_USE
|
|
#endif
|
|
|
|
G4SPSAngDistribution *angDist = particleGun->GetCurrentSource()->GetAngDist() ;
|
|
|
|
#ifdef ULTRA_REFLECTION_USE
|
|
angDist->SetParticleMomentumDirection(G4ThreeVector(0.0,-1.0,0.0)) ;
|
|
posDist->SetPosRot1(G4ThreeVector(1.,0.,0.));
|
|
posDist->SetPosRot2(G4ThreeVector(0.,0.,-1.));
|
|
posDist->SetCentreCoords(G4ThreeVector(0.0*cm,90.0*cm,150.0*cm));
|
|
|
|
#else
|
|
angDist->SetParticleMomentumDirection(G4ThreeVector(0.0,0.0,-1.0)) ;
|
|
posDist->SetCentreCoords(G4ThreeVector(0.0*cm,0.0*cm,150.0*cm));
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
UltraPrimaryGeneratorAction::~UltraPrimaryGeneratorAction()
|
|
{
|
|
delete particleGun;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
void UltraPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
|
|
{
|
|
|
|
G4int iEvent = anEvent->GetEventID() ;
|
|
if ( iEvent == 0 ){
|
|
|
|
G4cout << particleGun->GetParticleDefinition()->GetParticleName() << " " ;
|
|
G4cout << particleGun->GetCurrentSource()->GetEneDist()->GetEnergyDisType() << " " ;
|
|
G4cout << particleGun->GetCurrentSource()->GetPosDist()->GetPosDisType() << G4endl ;
|
|
|
|
}
|
|
particleGun->GeneratePrimaryVertex(anEvent);
|
|
}
|
|
|
|
|