#include <RE02PrimaryGeneratorAction.hh>

Inheritance diagram for RE02PrimaryGeneratorAction:

Collaboration diagram for RE02PrimaryGeneratorAction:

Public Member Functions
	RE02PrimaryGeneratorAction ()

	~RE02PrimaryGeneratorAction ()

virtual void	GeneratePrimaries (G4Event *)

Public Member Functions inherited from G4VUserPrimaryGeneratorAction
	G4VUserPrimaryGeneratorAction ()

virtual	~G4VUserPrimaryGeneratorAction ()

Private Attributes
G4double	fSigmaPosition

G4ParticleGun *	fParticleGun

Detailed Description

User primary particle generator class

void GeneratePrimaries(G4Event*) an incident particle is proton with 150 MeV energy at the position (x,y,-100 cm) toward the (0,0,1) direction. The x and y positions are uniformly varied from -5 mm to 5 mm, respectively.

Definition at line 51 of file RE02PrimaryGeneratorAction.hh.

Constructor & Destructor Documentation

◆ RE02PrimaryGeneratorAction()

RE02PrimaryGeneratorAction::RE02PrimaryGeneratorAction ( )

Definition at line 45 of file RE02PrimaryGeneratorAction.cc.

  : G4VUserPrimaryGeneratorAction(),
    fParticleGun(0)
 {
   G4int n_particle = 1;
   fParticleGun = new G4ParticleGun(n_particle);
 
 // default particle
   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
   G4ParticleDefinition* particle = particleTable->FindParticle("proton");
   fParticleGun->SetParticleDefinition(particle);
   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.0,0.0,1.));
   fParticleGun->SetParticleEnergy(150.0*MeV);
 //
 // default beam position
   G4double position = -200./2.*cm;
 //
 // Initial beam spot size in sigma.; This is not a part of ParticleGun.
   fSigmaPosition = 10.* mm;
 
 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 //
   fParticleGun->SetParticlePosition(G4ThreeVector(0.*cm, 0.*cm, position));
 }

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◆ ~RE02PrimaryGeneratorAction()

RE02PrimaryGeneratorAction::~RE02PrimaryGeneratorAction ( )

Definition at line 72 of file RE02PrimaryGeneratorAction.cc.

 {
   delete fParticleGun;
 }

Member Function Documentation

◆ GeneratePrimaries()

void RE02PrimaryGeneratorAction::GeneratePrimaries ( G4Event * anEvent )

virtual

Implements G4VUserPrimaryGeneratorAction.

Definition at line 79 of file RE02PrimaryGeneratorAction.cc.

 { 
 
   G4ThreeVector position = fParticleGun->GetParticlePosition();
   G4double dx = (G4UniformRand()-0.5)*fSigmaPosition;
   G4double dy = (G4UniformRand()-0.5)*fSigmaPosition;
   position.setX(dx);
   position.setY(dy);
   fParticleGun->SetParticlePosition(position);
   fParticleGun->GeneratePrimaryVertex(anEvent);
 }

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Member Data Documentation

◆ fParticleGun

G4ParticleGun* RE02PrimaryGeneratorAction::fParticleGun

private

Definition at line 62 of file RE02PrimaryGeneratorAction.hh.

◆ fSigmaPosition

G4double RE02PrimaryGeneratorAction::fSigmaPosition