| 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 | // Code developed by:
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| 27 | // S.Larsson
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| 28 | //
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| 29 | // ********************************************
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| 30 | // * *
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| 31 | // * PurgMagPrimaryGeneratorAction.cc *
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| 32 | // * *
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| 33 | // ********************************************
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| 34 | //
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| 35 | // $Id: PurgMagPrimaryGeneratorAction.cc,v 1.3 2006/06/29 16:06:17 gunter Exp $
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| 36 | // GEANT4 tag $Name: $
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| 37 | //
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| 38 |
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| 39 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 40 |
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| 41 | #include "PurgMagPrimaryGeneratorAction.hh"
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| 42 |
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| 43 | #include "PurgMagDetectorConstruction.hh"
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| 44 |
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| 45 | #include "G4Event.hh"
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| 46 | #include "G4ParticleGun.hh"
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| 47 | #include "G4ParticleTable.hh"
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| 48 | #include "G4ParticleDefinition.hh"
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| 49 | #include "Randomize.hh"
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| 50 | #include "G4UnitsTable.hh"
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| 51 |
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| 52 | //Print position of primaries.
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| 53 | #define POSITION 0
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| 54 |
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| 55 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 56 |
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| 57 | PurgMagPrimaryGeneratorAction::PurgMagPrimaryGeneratorAction(PurgMagDetectorConstruction* PurgMagDC)
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| 58 | :PurgMagDetector(PurgMagDC),rndmVertex(false)
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| 59 | {
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| 60 | //default kinematic
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| 61 | G4int n_particle = 1;
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| 62 | particleGun = new G4ParticleGun(n_particle);
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| 63 |
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| 64 | G4ParticleDefinition* particle
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| 65 | =
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| 66 |
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| 67 | G4ParticleTable::GetParticleTable()->FindParticle("e-");
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| 68 | particleGun->SetParticleDefinition(particle);
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| 69 | particleGun->SetParticleEnergy(50.*MeV);
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| 70 |
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| 71 | //Momentum Direction
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| 72 | particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,-1.));
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| 73 |
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| 74 | }
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| 75 |
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| 76 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 77 |
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| 78 | PurgMagPrimaryGeneratorAction::~PurgMagPrimaryGeneratorAction()
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| 79 | {
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| 80 | delete particleGun;
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| 81 | }
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| 82 |
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| 83 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 84 |
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| 85 | void PurgMagPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
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| 86 | {
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| 87 | //this function is called at the begining of event
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| 88 | //Start position of primaries
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| 89 | G4double z0 = 15.*cm;
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| 90 | G4double x0 = 0.*cm;
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| 91 | G4double y0 = 0.*cm;
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| 92 | particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
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| 93 | particleGun->GeneratePrimaryVertex(anEvent);
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| 94 |
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| 95 | #if POSITION
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| 96 | G4cout << "\n----Particle Gun--------------------------------------------\n";
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| 97 | G4cout << "\n ---> SetParticlePosition(G4ThreeVector(x0,y0,z0)) ";
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| 98 | G4cout << "\n ---> x0 = " << x0 << " "<< G4BestUnit(x0,"Length");
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| 99 | G4cout << "\n ---> y0 = " << y0 << " "<< G4BestUnit(y0,"Length");
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| 100 | G4cout << "\n ---> z0 = " << z0 << " "<< G4BestUnit(z0,"Length");
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| 101 | G4cout << "\n-----------------------------------------------------------\n";
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| 102 | #endif
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| 103 | }
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| 104 |
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| 105 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 106 |
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| 107 |
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