| 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: G4eeToHadronsMultiModel.hh,v 1.6 2008/07/10 18:06:38 vnivanch Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-02 $
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| 28 | //
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| 29 | // -------------------------------------------------------------------
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| 30 | //
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| 31 | // GEANT4 Class header file
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| 32 | //
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| 33 | //
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| 34 | // File name: G4eeToHadronsMultiModel
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| 35 | //
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| 36 | // Author: Vladimir Ivanchenko
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| 37 | //
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| 38 | // Creation date: 18.05.2005
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| 39 | //
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| 40 | // Modifications:
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| 41 | //
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| 42 |
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| 43 | //
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| 44 | // Class Description: vector of e+e- -> hadrons models
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| 45 | //
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| 46 |
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| 47 | // -------------------------------------------------------------------
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| 48 | //
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| 49 |
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| 50 | #ifndef G4eeToHadronsMultiModel_h
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| 51 | #define G4eeToHadronsMultiModel_h 1
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| 52 |
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| 53 | #include "G4VEmModel.hh"
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| 54 | #include "G4eeToHadronsModel.hh"
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| 55 | #include "G4ParticleChangeForGamma.hh"
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| 56 | #include "G4TrackStatus.hh"
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| 57 | #include "Randomize.hh"
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| 58 | #include <vector>
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| 59 |
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| 60 | class G4eeCrossSections;
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| 61 | class G4Vee2hadrons;
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| 62 |
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| 63 | class G4eeToHadronsMultiModel : public G4VEmModel
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| 64 | {
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| 65 |
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| 66 | public:
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| 67 |
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| 68 | G4eeToHadronsMultiModel(G4int ver=0, const G4String& nam = "eeToHadrons");
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| 69 |
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| 70 | virtual ~G4eeToHadronsMultiModel();
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| 71 |
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| 72 | virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
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| 73 |
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| 74 | virtual G4double CrossSectionPerVolume(const G4Material*,
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| 75 | const G4ParticleDefinition*,
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| 76 | G4double kineticEnergy,
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| 77 | G4double cutEnergy,
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| 78 | G4double maxEnergy);
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| 79 |
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| 80 | virtual G4double ComputeCrossSectionPerAtom(
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| 81 | const G4ParticleDefinition*,
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| 82 | G4double kineticEnergy,
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| 83 | G4double Z, G4double A,
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| 84 | G4double cutEnergy = 0.0,
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| 85 | G4double maxEnergy = DBL_MAX);
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| 86 |
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| 87 | virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
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| 88 | const G4MaterialCutsCouple*,
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| 89 | const G4DynamicParticle*,
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| 90 | G4double tmin = 0.0,
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| 91 | G4double maxEnergy = DBL_MAX);
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| 92 |
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| 93 | inline G4double ComputeCrossSectionPerElectron(
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| 94 | const G4ParticleDefinition*,
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| 95 | G4double kineticEnergy,
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| 96 | G4double cutEnergy = 0.0,
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| 97 | G4double maxEnergy = DBL_MAX);
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| 98 |
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| 99 | void PrintInfo();
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| 100 |
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| 101 | // Set the factor to artificially increase the crossSection (default 1)
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| 102 | void SetCrossSecFactor(G4double fac);
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| 103 |
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| 104 | private:
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| 105 |
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| 106 | void AddEEModel(G4Vee2hadrons*);
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| 107 |
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| 108 | // hide assignment operator
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| 109 | G4eeToHadronsMultiModel & operator=(const G4eeToHadronsMultiModel &right);
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| 110 | G4eeToHadronsMultiModel(const G4eeToHadronsMultiModel&);
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| 111 |
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| 112 | G4eeCrossSections* cross;
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| 113 | G4ParticleChangeForGamma* fParticleChange;
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| 114 |
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| 115 | std::vector<G4eeToHadronsModel*> models;
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| 116 |
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| 117 | std::vector<G4double> ekinMin;
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| 118 | std::vector<G4double> ekinPeak;
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| 119 | std::vector<G4double> ekinMax;
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| 120 | std::vector<G4double> cumSum;
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| 121 |
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| 122 | G4double thKineticEnergy;
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| 123 | G4double maxKineticEnergy;
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| 124 | G4double csFactor;
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| 125 |
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| 126 | G4int nModels;
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| 127 | G4int verbose;
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| 128 | G4bool isInitialised;
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| 129 | };
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| 130 |
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| 131 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 132 |
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| 133 | inline G4double G4eeToHadronsMultiModel::ComputeCrossSectionPerElectron(
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| 134 | const G4ParticleDefinition*,
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| 135 | G4double kineticEnergy,
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| 136 | G4double, G4double)
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| 137 | {
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| 138 | G4double res = 0.0;
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| 139 | if (kineticEnergy > thKineticEnergy) {
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| 140 | for(G4int i=0; i<nModels; i++) {
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| 141 | if(kineticEnergy >= ekinMin[i] && kineticEnergy <= ekinMax[i])
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| 142 | res += (models[i])->ComputeCrossSectionPerElectron(0,kineticEnergy);
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| 143 | cumSum[i] = res;
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| 144 | }
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| 145 | }
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| 146 | return res*csFactor;
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| 147 | }
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| 148 |
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| 149 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 150 |
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| 151 | #endif
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