| 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 | // G4MuonNucleusInteractionModel.hh |
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| 27 | // |
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| 28 | // M.Takahata (Makoto.Takahata@cern.ch) |
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| 29 | // |
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| 30 | // ----------------------------------------------------------------------- |
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| 31 | // This class is the translation of Geant3/Gheisha routine GMUNU + GMUSIG |
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| 32 | // , which calculate the final state of outgoing muon and force cascade |
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| 33 | // through pion-Nucleus inelastic scattering. |
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| 34 | // ----------------------------------------------------------------------- |
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| 35 | |
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| 36 | #ifndef G4MuonNucleusInteractionModel_h |
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| 37 | #define G4MuonNucleusInteractionModel_h 1 |
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| 38 | |
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| 39 | #include "G4LeptonHadronInteractionModel.hh" |
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| 40 | #include "G4DynamicParticle.hh" |
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| 41 | #include "G4ParticleTypes.hh" |
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| 42 | #include "G4PhysicsLogVector.hh" |
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| 43 | #include "G4LEPionPlusInelastic.hh" |
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| 44 | #include "G4LEPionMinusInelastic.hh" |
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| 45 | #include "G4HEPionPlusInelastic.hh" |
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| 46 | #include "G4HEPionMinusInelastic.hh" |
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| 47 | #include "G4HadFinalState.hh" |
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| 48 | |
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| 49 | |
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| 50 | class G4MuonNucleusInteractionModel : public G4LeptonHadronInteractionModel |
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| 51 | { |
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| 52 | public: |
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| 53 | |
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| 54 | G4MuonNucleusInteractionModel(); |
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| 55 | virtual ~G4MuonNucleusInteractionModel(); |
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| 56 | |
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| 57 | void makePhysicsVector(); |
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| 58 | G4double computeMicroscopicCrossSection(const G4Track &muonTrack); |
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| 59 | G4VParticleChange* applyInteractionModel(const G4Track &muonTrack, |
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| 60 | G4Nucleus &targetNucleus); |
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| 61 | |
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| 62 | private: |
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| 63 | |
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| 64 | // member functions |
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| 65 | void invokePionNucleus(const G4Track &pionTrack, |
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| 66 | G4Nucleus &targetNucleus); |
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| 67 | G4double computeDifferentialCrossSection |
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| 68 | (G4double initialEnergy, G4double finalEnergy, G4double cosTheta); |
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| 69 | |
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| 70 | // for physics vector |
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| 71 | static G4double tetal[35], xeml[23]; |
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| 72 | G4PhysicsLogVector *theCoefficientVector; |
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| 73 | G4int Nbin; |
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| 74 | G4double kEmin, kEmax; |
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| 75 | |
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| 76 | // kinematic |
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| 77 | G4double cosTheta; |
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| 78 | G4HadFinalState * pionChange; |
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| 79 | |
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| 80 | // pi-N models |
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| 81 | G4double cascadeModelMarginalEnergy; |
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| 82 | G4LEPionPlusInelastic* LEPionPlusInelastic; |
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| 83 | G4LEPionMinusInelastic* LEPionMinusInelastic; |
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| 84 | G4HEPionPlusInelastic* HEPionPlusInelastic; |
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| 85 | G4HEPionMinusInelastic* HEPionMinusInelastic; |
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| 86 | }; |
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| 87 | |
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| 88 | #endif |
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