[819] | 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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[961] | 26 | // $Id: G4FinalStateChargeIncrease.cc,v 1.4 2009/01/20 07:50:28 sincerti Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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[819] | 28 | |
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[961] | 29 | #include "G4FinalStateChargeIncrease.hh" |
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[819] | 30 | |
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[961] | 31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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[819] | 32 | |
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| 33 | G4FinalStateChargeIncrease::G4FinalStateChargeIncrease() |
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| 34 | { |
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| 35 | lowEnergyLimit = 1 * keV; |
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| 36 | highEnergyLimit = 10 * MeV; |
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| 37 | } |
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| 38 | |
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[961] | 39 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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[819] | 40 | |
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| 41 | G4FinalStateChargeIncrease::~G4FinalStateChargeIncrease() |
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| 42 | {} |
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| 43 | |
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[961] | 44 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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[819] | 45 | |
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| 46 | const G4FinalStateProduct& G4FinalStateChargeIncrease::GenerateFinalState(const G4Track& track, const G4Step& /* step */) |
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| 47 | { |
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| 48 | product.Clear(); |
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| 49 | |
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[961] | 50 | //SI - Added protection against total energy deposit |
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| 51 | product.DoNotDepositEnergy(); |
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| 52 | // |
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[819] | 53 | product.KillPrimaryParticle(); |
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| 54 | product.AddEnergyDeposit(0.); |
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[961] | 55 | |
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[819] | 56 | G4ParticleDefinition* definition = track.GetDefinition(); |
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| 57 | |
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| 58 | G4double inK = track.GetDynamicParticle()->GetKineticEnergy(); |
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| 59 | |
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| 60 | G4int finalStateIndex = cross.RandomSelect(inK,definition); |
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| 61 | |
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| 62 | G4int n = NumberOfFinalStates(track.GetDefinition(),finalStateIndex); |
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| 63 | G4double outK = inK - IncomingParticleBindingEnergyConstant(definition,finalStateIndex); |
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| 64 | |
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| 65 | G4DNAGenericIonsManager* instance; |
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| 66 | instance = G4DNAGenericIonsManager::Instance(); |
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| 67 | |
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| 68 | G4double electronK; |
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| 69 | if (definition == instance->GetIon("hydrogen")) electronK = inK*electron_mass_c2/proton_mass_c2; |
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| 70 | else electronK = inK*electron_mass_c2/(3728*MeV); |
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| 71 | |
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| 72 | if (outK<0) |
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[961] | 73 | { |
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| 74 | G4String message; |
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| 75 | message="G4FinalStateChargeIncrease - Final kinetic energy is below 0! Process "; |
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| 76 | } |
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[819] | 77 | |
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| 78 | product.AddSecondary(new G4DynamicParticle(OutgoingParticleDefinition(definition,finalStateIndex), |
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| 79 | track.GetDynamicParticle()->GetMomentumDirection(), |
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| 80 | outK)); |
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| 81 | |
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| 82 | n = n - 1; |
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| 83 | |
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| 84 | while (n>0) |
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[961] | 85 | { |
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| 86 | n--; |
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| 87 | product.AddSecondary |
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[819] | 88 | (new G4DynamicParticle(G4Electron::Electron(), track.GetDynamicParticle()->GetMomentumDirection(), electronK)); |
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[961] | 89 | } |
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[819] | 90 | |
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| 91 | return product; |
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| 92 | } |
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| 93 | |
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[961] | 94 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 95 | |
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[819] | 96 | G4int G4FinalStateChargeIncrease::NumberOfFinalStates(G4ParticleDefinition* particleDefinition, |
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| 97 | G4int finalStateIndex ) |
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| 98 | |
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| 99 | { |
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| 100 | G4DNAGenericIonsManager* instance; |
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| 101 | instance = G4DNAGenericIonsManager::Instance(); |
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| 102 | if (particleDefinition == instance->GetIon("hydrogen")) return 2; |
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| 103 | if (particleDefinition == instance->GetIon("alpha+")) return 2; |
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| 104 | |
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| 105 | if (particleDefinition == instance->GetIon("helium")) |
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[961] | 106 | { if (finalStateIndex==0) return 2; |
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| 107 | return 3; |
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| 108 | } |
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[819] | 109 | return 0; |
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| 110 | } |
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| 111 | |
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[961] | 112 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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[819] | 113 | |
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| 114 | G4ParticleDefinition* G4FinalStateChargeIncrease::OutgoingParticleDefinition (G4ParticleDefinition* particleDefinition, |
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| 115 | G4int finalStateIndex) |
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| 116 | { |
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| 117 | G4DNAGenericIonsManager * instance(G4DNAGenericIonsManager::Instance()); |
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| 118 | if (particleDefinition == instance->GetIon("hydrogen")) return G4Proton::Proton(); |
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| 119 | if (particleDefinition == instance->GetIon("alpha+")) return instance->GetIon("alpha++"); |
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| 120 | |
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| 121 | if (particleDefinition == instance->GetIon("alpha+")) return instance->GetIon("helium"); |
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| 122 | { |
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| 123 | if (finalStateIndex==0) return instance->GetIon("alpha+"); |
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| 124 | return instance->GetIon("alpha++"); |
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| 125 | } |
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| 126 | return 0; |
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| 127 | } |
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| 128 | |
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| 129 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 130 | |
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| 131 | G4double G4FinalStateChargeIncrease::IncomingParticleBindingEnergyConstant(G4ParticleDefinition* particleDefinition, |
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| 132 | G4int finalStateIndex ) |
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| 133 | { |
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| 134 | G4DNAGenericIonsManager * instance(G4DNAGenericIonsManager::Instance()); |
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| 135 | if(particleDefinition == instance->GetIon("hydrogen")) return 13.6*eV; |
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| 136 | |
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| 137 | if(particleDefinition == instance->GetIon("alpha+")) |
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[961] | 138 | { |
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[819] | 139 | // Binding energy for He+ -> He++ + e- 54.509 eV |
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| 140 | // Binding energy for He -> He+ + e- 24.587 eV |
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| 141 | return 54.509*eV; |
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[961] | 142 | } |
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[819] | 143 | |
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| 144 | if(particleDefinition == instance->GetIon("helium")) |
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[961] | 145 | { |
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[819] | 146 | // Binding energy for He+ -> He++ + e- 54.509 eV |
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| 147 | // Binding energy for He -> He+ + e- 24.587 eV |
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| 148 | |
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| 149 | if (finalStateIndex==0) return 24.587*eV; |
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| 150 | return (54.509 + 24.587)*eV; |
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[961] | 151 | } |
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[819] | 152 | |
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| 153 | return 0; |
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| 154 | } |
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