[966] | 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: G4PenelopeRayleighModel.hh,v 1.1 2008/10/28 08:50:21 pandola Exp $ |
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[1055] | 27 | // GEANT4 tag $Name: geant4-09-03-beta-cand-00 $ |
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[966] | 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 | // 13 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, Rayleigh Scattering |
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| 40 | // with Penelope Model |
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| 41 | // ------------------------------------------------------------------- |
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| 42 | |
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| 43 | #ifndef G4PENELOPERAYLEIGHMODEL_HH |
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| 44 | #define G4PENELOPERAYLEIGHMODEL_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 G4PenelopeRayleighModel : public G4VEmModel |
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| 57 | { |
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| 58 | |
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| 59 | public: |
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| 60 | G4PenelopeRayleighModel(const G4ParticleDefinition* p=0, |
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| 61 | const G4String& processName ="PenRayleigh"); |
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| 62 | |
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| 63 | virtual ~G4PenelopeRayleighModel(); |
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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 CrossSectionPerVolume(const G4Material*, |
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| 68 | const G4ParticleDefinition*, |
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| 69 | G4double kineticEnergy, |
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| 70 | G4double cutEnergy = 0.0, |
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| 71 | G4double maxEnergy = DBL_MAX); |
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| 72 | |
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| 73 | virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*, |
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| 74 | const G4MaterialCutsCouple*, |
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| 75 | const G4DynamicParticle*, |
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| 76 | G4double tmin, |
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| 77 | G4double maxEnergy); |
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| 78 | |
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| 79 | void SetVerbosityLevel(G4int lev){verboseLevel = lev;}; |
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| 80 | G4int GetVerbosityLevel(){return verboseLevel;}; |
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| 81 | |
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| 82 | protected: |
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| 83 | G4ParticleChangeForGamma* fParticleChange; |
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| 84 | |
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| 85 | private: |
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| 86 | G4PenelopeRayleighModel & operator=(const G4PenelopeRayleighModel &right); |
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| 87 | G4PenelopeRayleighModel(const G4PenelopeRayleighModel&); |
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| 88 | |
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| 89 | //Method to initialize sampling |
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| 90 | void InitialiseSampling(); |
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| 91 | std::map <const G4Material*,G4DataVector*> SamplingTable; |
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| 92 | G4DataVector* samplingFunction_x; |
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| 93 | G4DataVector* samplingFunction_xNoLog; |
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| 94 | |
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| 95 | //Parameters for building the sampling tables |
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| 96 | G4int nPoints; |
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| 97 | G4double Xhigh; |
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| 98 | G4double Xlow; |
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| 99 | |
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| 100 | void PrepareConstants(); |
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| 101 | |
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| 102 | //Parameters that must be in common between methods |
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| 103 | const G4Material* theMaterial; |
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| 104 | |
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| 105 | //Cross section calculation |
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| 106 | G4double MolecularFormFactor(G4double x); |
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| 107 | G4double DifferentialCrossSection(G4double cosTheta); |
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| 108 | |
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| 109 | // Energy dependent factor in the differential cross section |
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| 110 | G4double factorE; |
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| 111 | |
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| 112 | //Intrinsic energy limits of the model: cannot be extended by the parent process |
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| 113 | G4double fIntrinsicLowEnergyLimit; |
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| 114 | G4double fIntrinsicHighEnergyLimit; |
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| 115 | |
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| 116 | G4int verboseLevel; |
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| 117 | G4bool isInitialised; |
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| 118 | }; |
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| 119 | |
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| 120 | |
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| 121 | #endif |
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| 122 | |
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