| 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 | // $Id: RemSimPositronStandard.cc,v 1.8 2009/11/12 05:29:47 cirrone Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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| 28 | // |
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| 29 | // Author: Susanna Guatelli, guatelli@ge.infn.it |
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| 30 | #include "RemSimPositronStandard.hh" |
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| 31 | #include "G4ProcessManager.hh" |
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| 32 | #include "G4Gamma.hh" |
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| 33 | #include "G4ParticleDefinition.hh" |
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| 34 | #include "G4eMultipleScattering.hh" |
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| 35 | #include "G4eIonisation.hh" |
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| 36 | #include "G4eBremsstrahlung.hh" |
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| 37 | #include "G4eplusAnnihilation.hh" |
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| 38 | #include "G4StepLimiter.hh" |
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| 39 | |
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| 40 | RemSimPositronStandard::RemSimPositronStandard(const G4String& name): G4VPhysicsConstructor(name) |
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| 41 | { } |
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| 42 | |
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| 43 | RemSimPositronStandard::~RemSimPositronStandard() |
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| 44 | { } |
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| 45 | |
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| 46 | void RemSimPositronStandard::ConstructProcess() |
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| 47 | { |
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| 48 | // Add standard processes for positrons |
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| 49 | |
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| 50 | theParticleIterator -> reset(); |
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| 51 | |
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| 52 | while( (*theParticleIterator)() ) |
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| 53 | { |
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| 54 | G4ParticleDefinition* particle = theParticleIterator -> value(); |
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| 55 | G4ProcessManager* manager = particle -> GetProcessManager(); |
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| 56 | G4String particleName = particle -> GetParticleName(); |
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| 57 | |
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| 58 | if (particleName == "e+") |
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| 59 | { |
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| 60 | // Positron |
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| 61 | G4eMultipleScattering* msc = new G4eMultipleScattering(); |
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| 62 | msc->SetStepLimitType(fUseDistanceToBoundary); |
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| 63 | manager->AddProcess(msc,-1, 1, 1); |
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| 64 | |
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| 65 | // Ionisation |
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| 66 | G4eIonisation* eIonisation = new G4eIonisation(); |
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| 67 | eIonisation->SetStepFunction(0.2, 100*um); // |
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| 68 | manager->AddProcess(eIonisation, -1, 2, 2); |
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| 69 | |
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| 70 | //Bremsstrahlung (use default, no low-energy available) |
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| 71 | manager->AddProcess(new G4eBremsstrahlung(), -1,-1, 3); |
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| 72 | |
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| 73 | //Annihilation |
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| 74 | manager->AddProcess(new G4eplusAnnihilation(),0,-1, 4); |
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| 75 | |
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| 76 | manager -> AddProcess(new G4StepLimiter(), -1,-1,3); |
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| 77 | } |
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| 78 | } |
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| 79 | } |
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