| [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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| [1196] | 27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $
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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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