#include <ExUCNPrimaryGeneratorAction.hh>

Inheritance diagram for ExUCNPrimaryGeneratorAction:

Collaboration diagram for ExUCNPrimaryGeneratorAction:

Public Member Functions
	ExUCNPrimaryGeneratorAction (void)

virtual	~ExUCNPrimaryGeneratorAction ()

virtual void	GeneratePrimaries (G4Event *)

Public Member Functions inherited from G4VUserPrimaryGeneratorAction
	G4VUserPrimaryGeneratorAction ()

virtual	~G4VUserPrimaryGeneratorAction ()

Private Attributes
G4ParticleGun *	fParticleGun

Detailed Description

Definition at line 46 of file ExUCNPrimaryGeneratorAction.hh.

Constructor & Destructor Documentation

◆ ExUCNPrimaryGeneratorAction()

ExUCNPrimaryGeneratorAction::ExUCNPrimaryGeneratorAction ( void )

Definition at line 49 of file ExUCNPrimaryGeneratorAction.cc.

 {
   G4int n_particle = 1;
   fParticleGun  = new G4ParticleGun(n_particle);
 
   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
 
   G4ParticleDefinition* particle = particleTable->FindParticle("neutron");
   fParticleGun->SetParticleDefinition(particle);
 }

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◆ ~ExUCNPrimaryGeneratorAction()

ExUCNPrimaryGeneratorAction::~ExUCNPrimaryGeneratorAction ( )

virtual

Definition at line 62 of file ExUCNPrimaryGeneratorAction.cc.

 {
   delete fParticleGun;
 }

Member Function Documentation

◆ GeneratePrimaries()

void ExUCNPrimaryGeneratorAction::GeneratePrimaries ( G4Event * anEvent )

virtual

Implements G4VUserPrimaryGeneratorAction.

Definition at line 69 of file ExUCNPrimaryGeneratorAction.cc.

 {
   // This function is called at the begining of event
 
   fParticleGun->SetParticlePosition(G4ThreeVector(0.0, 0.0, 0.0));
   fParticleGun->SetParticlePolarization(G4ThreeVector(0,1,0));
 
   G4double particleEnergy = 1e-9*eV + G4UniformRand()*(1e-7*eV-1e-9*eV);
   fParticleGun->SetParticleEnergy(particleEnergy);
 
   G4double theta = 2*pi*G4UniformRand();
   G4double phi = std::acos(1-2*G4UniformRand());
   if (phi > pi/2 && phi < pi) phi = pi-phi;
 
   G4double z = std::sin(phi)*std::cos(theta);
   G4double x = std::sin(phi)*std::sin(theta);
   G4double y = std::cos(phi);
 
   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(x,y,z));
 
   fParticleGun->GeneratePrimaryVertex(anEvent);
 }

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Member Data Documentation

◆ fParticleGun

G4ParticleGun* ExUCNPrimaryGeneratorAction::fParticleGun

private

Definition at line 57 of file ExUCNPrimaryGeneratorAction.hh.

The documentation for this class was generated from the following files:

Public Member Functions

Private Attributes