[1350] | 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 | // G4IonCoulombScatteringModel.hh |
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| 27 | // ------------------------------------------------------------------- |
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| 28 | // |
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| 29 | // GEANT4 Class header file |
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| 30 | // |
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| 31 | // File name: G4IonCoulombScatteringModel |
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| 32 | // |
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| 33 | // Author: Cristina Consolandi |
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| 34 | // |
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| 35 | // Creation date: 05.10.2010 from G4eCoulombScatteringModel |
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| 36 | // & G4CoulombScatteringModel |
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| 37 | // |
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| 38 | // |
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| 39 | // Class Description: |
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| 40 | // Single Scattering Model for |
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| 41 | // for protons, alpha and heavy Ions |
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| 42 | // |
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| 43 | // Reference: |
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| 44 | // M.J. Boschini et al. "Nuclear and Non-Ionizing Energy-Loss |
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| 45 | // for Coulomb ScatteredParticles from Low Energy up to Relativistic |
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| 46 | // Regime in Space Radiation Environment" |
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| 47 | // Accepted for publication in the Proceedings of the ICATPP Conference |
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| 48 | // on Cosmic Rays for Particle and Astroparticle Physics, Villa Olmo, 7-8 |
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| 49 | // October, 2010, to be published by World Scientific (Singapore). |
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| 50 | // |
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| 51 | // Available for downloading at: |
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| 52 | // http://arxiv.org/abs/1011.4822 |
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| 53 | // |
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| 54 | // ------------------------------------------------------------------- |
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| 55 | // |
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| 56 | |
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| 57 | #ifndef G4IonCoulombScatteringModel_h |
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| 58 | #define G4IonCoulombScatteringModel_h 1 |
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| 59 | |
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| 60 | #include "G4VEmModel.hh" |
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| 61 | #include "globals.hh" |
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| 62 | #include "G4NistManager.hh" |
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| 63 | #include "G4IonCoulombCrossSection.hh" |
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| 64 | |
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| 65 | #include <vector> |
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| 66 | using namespace std; |
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| 67 | |
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| 68 | class G4ParticleChangeForGamma; |
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| 69 | class G4ParticleDefinition; |
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| 70 | |
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| 71 | class G4IonCoulombScatteringModel : public G4VEmModel |
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| 72 | { |
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| 73 | |
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| 74 | public: |
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| 75 | |
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| 76 | G4IonCoulombScatteringModel(const G4String& nam = "IonCoulombScattering"); |
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| 77 | |
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| 78 | virtual ~G4IonCoulombScatteringModel(); |
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| 79 | |
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| 80 | virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&); |
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| 81 | |
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| 82 | virtual G4double ComputeCrossSectionPerAtom( |
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| 83 | const G4ParticleDefinition*, |
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| 84 | G4double kinEnergy, |
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| 85 | G4double Z, |
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| 86 | G4double A, |
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| 87 | G4double cut, |
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| 88 | G4double emax); |
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| 89 | |
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| 90 | virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*, |
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| 91 | const G4MaterialCutsCouple*, |
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| 92 | const G4DynamicParticle*, |
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| 93 | G4double tmin, |
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| 94 | G4double maxEnergy); |
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| 95 | |
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| 96 | |
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| 97 | |
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| 98 | inline void SetRecoilThreshold(G4double eth); |
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| 99 | void SetHeavyIonCorr(G4int b) {heavycorr=b; }; |
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| 100 | G4int GetHeavyIonCorr() {return heavycorr; }; |
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| 101 | |
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| 102 | |
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| 103 | |
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| 104 | |
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| 105 | protected: |
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| 106 | |
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| 107 | |
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| 108 | inline void DefineMaterial(const G4MaterialCutsCouple*); |
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| 109 | |
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| 110 | inline void SetupParticle(const G4ParticleDefinition*); |
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| 111 | |
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| 112 | |
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| 113 | |
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| 114 | private: |
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| 115 | |
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| 116 | |
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| 117 | // hide assignment operator |
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| 118 | G4IonCoulombScatteringModel & operator=(const G4IonCoulombScatteringModel &right); |
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| 119 | G4IonCoulombScatteringModel(const G4IonCoulombScatteringModel&); |
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| 120 | |
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| 121 | |
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| 122 | protected: |
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| 123 | |
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| 124 | |
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| 125 | G4ParticleTable* theParticleTable; |
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| 126 | G4ParticleChangeForGamma* fParticleChange; |
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| 127 | G4NistManager* fNistManager; |
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| 128 | G4IonCoulombCrossSection* ioncross; |
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| 129 | |
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| 130 | const std::vector<G4double>* pCuts; |
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| 131 | const G4MaterialCutsCouple* currentCouple; |
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| 132 | const G4Material* currentMaterial; |
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| 133 | const G4Element* currentElement; |
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| 134 | G4int currentMaterialIndex; |
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| 135 | |
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| 136 | |
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| 137 | G4int heavycorr; |
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| 138 | |
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| 139 | G4double cosThetaMin; |
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| 140 | G4double recoilThreshold; |
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| 141 | |
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| 142 | |
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| 143 | // projectile |
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| 144 | const G4ParticleDefinition* particle; |
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| 145 | const G4ParticleDefinition* theProton; |
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| 146 | G4double mass; |
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| 147 | G4double lowEnergyLimit; |
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| 148 | |
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| 149 | |
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| 150 | private: |
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| 151 | |
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| 152 | G4bool isInitialised; |
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| 153 | |
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| 154 | }; |
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| 155 | |
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| 156 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 157 | void G4IonCoulombScatteringModel::DefineMaterial(const G4MaterialCutsCouple* cup) |
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| 158 | { |
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| 159 | if(cup != currentCouple) { |
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| 160 | currentCouple = cup; |
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| 161 | currentMaterial = cup->GetMaterial(); |
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| 162 | currentMaterialIndex = currentCouple->GetIndex(); |
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| 163 | |
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| 164 | } |
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| 165 | } |
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| 166 | |
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| 167 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 168 | |
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| 169 | inline |
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| 170 | void G4IonCoulombScatteringModel::SetupParticle(const G4ParticleDefinition* p) |
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| 171 | { |
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| 172 | if(p != particle) { |
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| 173 | particle = p; |
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| 174 | mass = particle->GetPDGMass(); |
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| 175 | ioncross->SetupParticle(p); |
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| 176 | } |
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| 177 | } |
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| 178 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 179 | |
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| 180 | inline void G4IonCoulombScatteringModel::SetRecoilThreshold(G4double eth) |
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| 181 | { |
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| 182 | recoilThreshold = eth; |
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| 183 | } |
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| 184 | |
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| 185 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 186 | |
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| 187 | #endif |
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