| 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: ExN02PrimaryGeneratorAction.cc,v 1.7 2006/06/29 17:48:13 gunter Exp $ |
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| 28 | // GEANT4 tag $Name: $ |
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| 29 | // |
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| 30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 32 | |
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| 33 | #include "ExN02PrimaryGeneratorAction.hh" |
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| 34 | #include "ExN02DetectorConstruction.hh" |
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| 35 | |
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| 36 | #include "G4Event.hh" |
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| 37 | #include "G4ParticleGun.hh" |
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| 38 | #include "G4ParticleTable.hh" |
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| 39 | #include "G4ParticleDefinition.hh" |
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| 40 | #include "globals.hh" |
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| 41 | |
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| 42 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 43 | |
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| 44 | ExN02PrimaryGeneratorAction::ExN02PrimaryGeneratorAction( |
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| 45 | ExN02DetectorConstruction* myDC) |
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| 46 | :myDetector(myDC) |
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| 47 | { |
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| 48 | G4int n_particle = 1; |
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| 49 | particleGun = new G4ParticleGun(n_particle); |
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| 50 | |
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| 51 | // default particle |
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| 52 | |
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| 53 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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| 54 | G4ParticleDefinition* particle = particleTable->FindParticle("proton"); |
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| 55 | |
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| 56 | particleGun->SetParticleDefinition(particle); |
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| 57 | particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.)); |
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| 58 | particleGun->SetParticleEnergy(3.0*GeV); |
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| 59 | } |
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| 60 | |
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| 61 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 62 | |
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| 63 | ExN02PrimaryGeneratorAction::~ExN02PrimaryGeneratorAction() |
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| 64 | { |
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| 65 | delete particleGun; |
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| 66 | } |
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| 67 | |
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| 68 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 69 | |
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| 70 | void ExN02PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
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| 71 | { |
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| 72 | G4double position = -0.5*(myDetector->GetWorldFullLength()); |
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| 73 | particleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,position)); |
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| 74 | |
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| 75 | particleGun->GeneratePrimaryVertex(anEvent); |
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| 76 | } |
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| 77 | |
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| 78 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 79 | |
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