[819] | 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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[962] | 26 | // $Id: G4QElastic.hh,v 1.4 2008/10/02 21:10:07 dennis Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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[819] | 28 | // |
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| 29 | // ---------------- G4QElastic header ---------------- |
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| 30 | // by Mikhail Kossov, December 2003. |
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| 31 | // Header of G4QElastic class (hadron+A) of the CHIPS Simulation Branch in GEANT4 |
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| 32 | // ------------------------------------------------------------------------------- |
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| 33 | // This is a unique CHIPS class for the Hadron-Nuclear Elastic Scattering Prosesses |
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| 34 | // ------------------------------------------------------------------------------- |
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| 35 | // At present (Jan-06) only proton-proton scattering is implemented The interaction with |
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| 36 | // nuclei are planned only. The scattering of nuclei on nuclei are possible... |
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| 37 | // The simulation is based on the CHIPS approximation of total elastic and differential |
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| 38 | // elastic cross sections from E=0 to the highest energyes. |
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| 39 | // ------------------------------------------------------------------------------- |
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| 40 | |
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| 41 | #ifndef G4QElastic_hh |
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| 42 | #define G4QElastic_hh |
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| 43 | |
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| 44 | // GEANT4 Headers |
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| 45 | #include "globals.hh" |
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| 46 | #include "G4ios.hh" |
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| 47 | #include "Randomize.hh" |
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| 48 | #include "G4VDiscreteProcess.hh" |
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| 49 | #include "G4Track.hh" |
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| 50 | #include "G4Step.hh" |
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| 51 | #include "G4ParticleTypes.hh" |
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| 52 | #include "G4VParticleChange.hh" |
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| 53 | #include "G4ParticleDefinition.hh" |
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| 54 | #include "G4DynamicParticle.hh" |
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| 55 | #include "G4NucleiPropertiesTable.hh" |
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| 56 | #include "G4ThreeVector.hh" |
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| 57 | #include "G4LorentzVector.hh" |
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[962] | 58 | #include "G4HadronicProcessType.hh" |
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[819] | 59 | |
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| 60 | // CHIPS Headers |
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| 61 | #include "G4QElasticCrossSection.hh" |
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| 62 | #include "G4QIsotope.hh" |
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| 63 | #include "G4QPDGToG4Particle.hh" |
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| 64 | #include "G4QCHIPSWorld.hh" |
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| 65 | #include "G4QHadron.hh" |
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| 66 | #include <vector> |
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| 67 | |
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| 68 | class G4QElastic : public G4VDiscreteProcess |
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| 69 | { |
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| 70 | public: |
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| 71 | |
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| 72 | // Constructor |
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| 73 | G4QElastic(const G4String& processName ="CHIPSElasticScattering"); |
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| 74 | |
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| 75 | // Destructor |
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| 76 | ~G4QElastic(); |
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| 77 | |
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| 78 | G4bool IsApplicable(const G4ParticleDefinition& particle); |
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| 79 | |
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| 80 | G4double GetMeanFreePath(const G4Track& aTrack, G4double previousStepSize, |
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| 81 | G4ForceCondition* condition); |
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| 82 | // It returns the MeanFreePath of the process for the current track : |
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| 83 | // (energy, material) |
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| 84 | // The previousStepSize and G4ForceCondition* are not used. |
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| 85 | // This function overloads a virtual function of the base class. |
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| 86 | // It is invoked by the ProcessManager of the Particle. |
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| 87 | |
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| 88 | |
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| 89 | G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep); |
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| 90 | // It computes the final state of the process (at end of step), |
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| 91 | // returned as a ParticleChange object. |
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| 92 | // This function overloads a virtual function of the base class. |
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| 93 | // It is invoked by the ProcessManager of the Particle. |
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| 94 | |
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| 95 | |
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| 96 | G4LorentzVector GetEnegryMomentumConservation(); |
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| 97 | |
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| 98 | G4int GetNumberOfNeutronsInTarget(); |
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| 99 | |
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| 100 | private: |
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| 101 | |
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| 102 | // Hide assignment operator as private |
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| 103 | G4QElastic& operator=(const G4QElastic &right); |
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| 104 | |
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| 105 | // Copy constructor |
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| 106 | G4QElastic(const G4QElastic&); |
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| 107 | |
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| 108 | // Calculate XS/t: oxs=true - only CS; xst=true - calculate XS, xst=false(oxs=f/t) - t/tm |
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| 109 | G4double CalculateXSt(G4bool oxs, G4bool xst, G4double p, G4int Z, G4int N, G4int pPDG); |
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| 110 | |
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| 111 | // BODY |
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| 112 | // Static Parameters -------------------------------------------------------------------- |
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| 113 | static G4int nPartCWorld; // The#of particles for hadronization (limit of A of fragm.) |
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| 114 | //--------------------------------- End of static parameters --------------------------- |
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| 115 | // Working parameters |
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| 116 | G4VQCrossSection* theCS; |
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| 117 | G4LorentzVector EnMomConservation; // Residual of Energy/Momentum Cons. |
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| 118 | G4int nOfNeutrons; // #of neutrons in the target nucleus |
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| 119 | |
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| 120 | // Modifires for the reaction |
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| 121 | G4double Time; // Time shift of the capture reaction |
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| 122 | G4double EnergyDeposition; // Energy deposited in the reaction |
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| 123 | static std::vector <G4int> ElementZ; // Z of the element(i) in theLastCalc |
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| 124 | static std::vector <G4double> ElProbInMat; // SumProbabilityElements in Material |
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| 125 | static std::vector <std::vector<G4int>*> ElIsoN; // N of isotope(j) of Element(i) |
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| 126 | static std::vector <std::vector<G4double>*> IsoProbInEl;// SumProbabIsotopes in Element i |
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| 127 | }; |
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| 128 | #endif |
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| 129 | |
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