| 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 | // |
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| 27 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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| 28 | // |
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| 29 | // |
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| 30 | // GEANT4 physics class: G4QuasiFreeRatios -- header file |
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| 31 | // M.V. Kossov, ITEP(Moscow), 24-OCT-01 |
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| 32 | // The last update: M.V. Kossov, CERN/ITEP (Moscow) 15-Oct-2006 |
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| 33 | // |
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| 34 | |
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| 35 | #ifndef G4QuasiFreeRatios_h |
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| 36 | #define G4QuasiFreeRatios_h 1 |
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| 37 | |
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| 38 | #include "globals.hh" |
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| 39 | #include "G4ios.hh" |
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| 40 | #include "Randomize.hh" |
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| 41 | #include <vector> |
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| 42 | //#include "G4DynamicParticle.hh" |
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| 43 | //#include "G4Element.hh" |
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| 44 | //#include "G4ParticleTable.hh" |
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| 45 | //#include "G4NucleiProperties.hh" |
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| 46 | //#include "G4NucleiPropertiesTable.hh" |
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| 47 | #include "G4QPDGCode.hh" |
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| 48 | #include "G4QHadron.hh" |
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| 49 | #include "G4VCrossSectionDataSet.hh" |
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| 50 | #include "G4QElasticCrossSection.hh" |
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| 51 | |
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| 52 | |
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| 53 | class G4QuasiFreeRatios |
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| 54 | { |
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| 55 | protected: |
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| 56 | |
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| 57 | G4QuasiFreeRatios(); // Constructor |
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| 58 | |
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| 59 | public: |
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| 60 | |
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| 61 | ~G4QuasiFreeRatios(); // Destructor |
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| 62 | |
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| 63 | static G4QuasiFreeRatios* GetPointer(); // Gives a pointer to this singletone |
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| 64 | |
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| 65 | // Pair(QuasiFree/Inelastic,QuasiElastic/QuasiFree) |
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| 66 | std::pair<G4double,G4double> GetRatios(G4double pIU, G4int prPDG, G4int tgZ, G4int tgN); |
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| 67 | // ChargeExchange/QuasiElastic factor pair<for protons (Z), for neutrons(N)> |
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| 68 | std::pair<G4double,G4double> GetChExFactor(G4double pIU, G4int pPDG, G4int Z, G4int N); |
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| 69 | // scatter (pPDG,p4M) on a virtual nucleon (NPDG,N4M), result: final pair(newN4M,newp4M) |
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| 70 | // if(newN4M.e()==0.) - below threshold, XS=0, no scattering of the progectile happened |
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| 71 | std::pair<G4LorentzVector,G4LorentzVector> Scatter(G4int NPDG, G4LorentzVector N4M, |
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| 72 | G4int pPDG, G4LorentzVector p4M); |
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| 73 | // ChExer (pPDG,p4M) on a virtual nucleon (NPDG,N4M), result: final pair(newN4M,newp4M) |
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| 74 | // if(newN4M.e()==0.) - keep projectile, XS=0, no interaction of the progectile happened |
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| 75 | // User should himself change the charge (PDG) (e.g. pn->np, pi+n->pi0p, pi-p->pi0n etc.) |
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| 76 | // Recepy: change target n to p or taget p to n and conserve enrgy, changing projectile |
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| 77 | // Do not use for the nucleon, as it is already included in quasielastic, and for pi0. |
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| 78 | std::pair<G4LorentzVector,G4LorentzVector> ChExer(G4int NPDG, G4LorentzVector N4M, |
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| 79 | G4int pPDG, G4LorentzVector p4M); |
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| 80 | // Mean hN El and Tot XS(IU) for the isotopic (Z,N): on p -> (Z=1,N=0), on n -> (Z=0,N=1) |
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| 81 | std::pair<G4double,G4double> GetElTot(G4double pIU, G4int hPDG, G4int Z, G4int N); //(IU) |
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| 82 | |
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| 83 | // Calculate ChEx/El ratio coefficient (p is in independent units, (Z,N) is a target) |
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| 84 | G4double ChExElCoef(G4double p, G4int Z, G4int N, G4int pPDG); |
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| 85 | |
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| 86 | private: |
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| 87 | // These working member functions are in CHIPS units and must not be used externally |
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| 88 | G4double GetQF2IN_Ratio(G4double TotCS_mb, G4int A); // QuasiFree/Inelastic (fast) |
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| 89 | G4double CalcQF2IN_Ratio(G4double TCSmb, G4int A); // R=QuasuFree/Inelastic (sig_t in mb) |
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| 90 | std::pair<G4double,G4double> FetchElTot(G4double pGeV,G4int PDG,G4bool F);//(E,T)fromAMDB |
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| 91 | std::pair<G4double,G4double> CalcElTot(G4double pGeV,G4int Index);//(sigE,sigT)(Index) |
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| 92 | |
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| 93 | // Body |
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| 94 | private: |
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| 95 | static std::vector<G4double*> vT; // Vector of pointers to LinTable |
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| 96 | static std::vector<G4double*> vL; // Vector of pointers to LogTable |
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| 97 | static std::vector<std::pair<G4double,G4double>*> vX; // Vector of ETPointers to LogTable |
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| 98 | }; |
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| 99 | #endif |
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