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: G4PenelopeAnnihilationModel.hh,v 1.1 2008/11/04 10:14:56 pandola Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03 $ |
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28 | // |
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29 | // Author: Luciano Pandola |
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30 | // |
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31 | // History: |
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32 | // ----------- |
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33 | // 29 Oct 2008 L. Pandola 1st implementation. Migration from EM process |
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34 | // to EM model |
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35 | // |
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36 | // ------------------------------------------------------------------- |
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37 | // |
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38 | // Class description: |
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39 | // Low Energy Electromagnetic Physics, Positron Annihilation |
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40 | // with Penelope Model |
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41 | // ------------------------------------------------------------------- |
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42 | |
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43 | #ifndef G4PENELOPEANNIHILATIONMODEL_HH |
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44 | #define G4PENELOPEANNIHILATIONMODEL_HH 1 |
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45 | |
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46 | #include "globals.hh" |
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47 | #include "G4VEmModel.hh" |
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48 | #include "G4DataVector.hh" |
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49 | #include "G4ParticleChangeForGamma.hh" |
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50 | |
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51 | class G4ParticleDefinition; |
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52 | class G4DynamicParticle; |
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53 | class G4MaterialCutsCouple; |
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54 | class G4Material; |
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55 | |
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56 | class G4PenelopeAnnihilationModel : public G4VEmModel |
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57 | { |
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58 | public: |
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59 | |
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60 | G4PenelopeAnnihilationModel(const G4ParticleDefinition* p=0, |
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61 | const G4String& processName ="PenAnnih"); |
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62 | |
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63 | virtual ~G4PenelopeAnnihilationModel(); |
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64 | |
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65 | virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&); |
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66 | |
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67 | virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*, |
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68 | G4double kinEnergy, |
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69 | G4double Z, |
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70 | G4double A=0, |
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71 | G4double cut=0, |
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72 | G4double emax=DBL_MAX); |
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73 | |
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74 | virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*, |
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75 | const G4MaterialCutsCouple*, |
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76 | const G4DynamicParticle*, |
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77 | G4double tmin, |
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78 | G4double maxEnergy); |
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79 | |
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80 | void SetVerbosityLevel(G4int lev){verboseLevel = lev;}; |
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81 | G4int GetVerbosityLevel(){return verboseLevel;}; |
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82 | |
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83 | protected: |
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84 | G4ParticleChangeForGamma* fParticleChange; |
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85 | |
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86 | private: |
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87 | G4double ComputeCrossSectionPerElectron(G4double energy); |
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88 | |
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89 | G4PenelopeAnnihilationModel & operator=(const G4PenelopeAnnihilationModel &right); |
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90 | G4PenelopeAnnihilationModel(const G4PenelopeAnnihilationModel&); |
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91 | |
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92 | G4int verboseLevel; |
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93 | G4bool isInitialised; |
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94 | |
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95 | G4double fIntrinsicLowEnergyLimit; |
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96 | G4double fIntrinsicHighEnergyLimit; |
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97 | |
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98 | //Stored here so it is not recalculated every time |
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99 | G4double fPielr2; |
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100 | }; |
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101 | |
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102 | #endif |
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103 | |
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