| [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 | // $Id: G4CrossSectionPairGG.hh,v 1.3 2010/11/18 11:01:01 gunter Exp $
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| 27 | // $ GEANT4 tag $Name: geant4-09-04-ref-00 $
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| 28 | //
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| 29 | // Class G4CrossSectionPairGG
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| 30 | //
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| 31 | // Extend a cross section to higher energies using
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| 32 | // G4GlauberGribovCrossSection at high energies.
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| 33 | // Smoothly join cross section sets by scaling GG at a given
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| 34 | // transition energy to match the given low energy cross section.
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| 35 | //
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| 36 | // Author: Gunter Folger
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| 37 | // November 2010
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| 38 | //
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| 39 | #ifndef G4CrossSectionPairGG_h
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| 40 | #define G4CrossSectionPairGG_h
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| 41 |
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| 42 | #include "globals.hh"
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| 43 | #include "G4VCrossSectionDataSet.hh"
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| 44 | #include "G4ParticleDefinition.hh"
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| 45 | #include "G4GlauberGribovCrossSection.hh"
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| 46 | #include <valarray>
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| 47 |
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| 48 | class G4CrossSectionPairGG : public G4VCrossSectionDataSet
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| 49 | {
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| 50 | private:
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| 51 | G4CrossSectionPairGG();
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| 52 | G4CrossSectionPairGG(const G4CrossSectionPairGG&);
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| 53 | G4CrossSectionPairGG& operator=(const G4CrossSectionPairGG&);
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| 54 |
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| 55 | public:
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| 56 |
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| 57 | G4CrossSectionPairGG(G4VCrossSectionDataSet * low,
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| 58 | // G4VCrossSectionDataSet * high,
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| 59 | G4double Etransit);
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| 60 |
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| 61 | virtual ~G4CrossSectionPairGG();
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| 62 |
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| 63 | G4bool IsApplicable(const G4DynamicParticle* particle, const G4Element* element)
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| 64 | { return IsIsoApplicable(particle, G4lrint(element->GetZ()), G4lrint(element->GetN())); }
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| 65 |
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| 66 | G4bool IsIsoApplicable(const G4DynamicParticle*, G4int Z, G4int N);
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| 67 |
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| 68 | G4double GetCrossSection(const G4DynamicParticle* particle,
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| 69 | const G4Element* element,
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| 70 | G4double temperature)
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| 71 | { return GetZandACrossSection(particle, G4lrint(element->GetZ()),
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| 72 | G4lrint(element->GetN()), temperature); }
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| 73 |
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| 74 | G4double GetZandACrossSection(const G4DynamicParticle*, G4int Z,
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| 75 | G4int A, G4double aTemperature = 0.);
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| 76 |
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| 77 |
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| 78 | void BuildPhysicsTable(const G4ParticleDefinition&);
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| 79 | void DumpPhysicsTable(const G4ParticleDefinition&);
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| 80 |
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| 81 | private:
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| 82 | G4VCrossSectionDataSet * theLowX;
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| 83 | // G4VCrossSectionDataSet * theHighX;
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| 84 | G4GlauberGribovCrossSection * theHighX;
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| 85 | G4double ETransition;
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| 86 | typedef std::valarray<G4double> XS_factors;
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| 87 | typedef std::pair<G4ParticleDefinition *, XS_factors > ParticleXScale;
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| 88 | std::vector<ParticleXScale> scale_factors;
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| 89 |
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| 90 | };
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| 91 |
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| 92 | #endif
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