96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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/// \file PrimaryGeneratorAction.hh
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/// \brief Definition of the B5::PrimaryGeneratorAction class
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#ifndef B5PrimaryGeneratorAction_h
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#define B5PrimaryGeneratorAction_h 1
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#include "G4VUserPrimaryGeneratorAction.hh"
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#include "globals.hh"
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#include <CLHEP/Units/SystemOfUnits.h>
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class G4ParticleGun;
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class G4GenericMessenger;
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class G4Event;
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class G4ParticleDefinition;
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namespace B5
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{
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/// Primary generator
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///
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/// A single particle is generated.
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/// User can select
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/// - the initial momentum and angle
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/// - the momentum and angle spreads
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/// - random selection of a particle type from proton, kaon+, pi+, muon+, e+
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class PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
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{
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public:
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PrimaryGeneratorAction();
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~PrimaryGeneratorAction() override;
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void GeneratePrimaries(G4Event*) override;
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void SetMomentum(G4double val) { fMomentum = val; }
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G4double GetMomentum() const { return fMomentum; }
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void SetSigmaMomentum(G4double val) { fSigmaMomentum = val; }
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G4double GetSigmaMomentum() const { return fSigmaMomentum; }
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void SetSigmaAngle(G4double val) { fSigmaAngle = val; }
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G4double GetSigmaAngle() const { return fSigmaAngle; }
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void SetRandomize(G4bool val) { fRandomizePrimary = val; }
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G4bool GetRandomize() const { return fRandomizePrimary; }
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private:
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void DefineCommands();
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G4ParticleGun* fParticleGun = nullptr;
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G4GenericMessenger* fMessenger = nullptr;
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G4ParticleDefinition* fPositron = nullptr;
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G4ParticleDefinition* fMuon = nullptr;
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G4ParticleDefinition* fPion = nullptr;
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G4ParticleDefinition* fKaon = nullptr;
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G4ParticleDefinition* fProton = nullptr;
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G4double fMomentum = 1000. * CLHEP::MeV;
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G4double fSigmaMomentum = 50. * CLHEP::MeV;
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G4double fSigmaAngle = 2. * CLHEP::deg;
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G4bool fRandomizePrimary = true;
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};
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#endif
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