| 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 | // Hadronic Process: Nuclear De-excitations |
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| 27 | // by V. Lara |
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| 28 | |
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| 29 | #ifndef G4FermiPhaseSpaceDecay_hh |
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| 30 | #define G4FermiPhaseSpaceDecay_hh |
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| 31 | |
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| 32 | |
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| 33 | #include "G4LorentzVector.hh" |
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| 34 | #include "G4ParticleMomentum.hh" |
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| 35 | #include <CLHEP/Random/RandGamma.h> |
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| 36 | |
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| 37 | #include <vector> |
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| 38 | #include <cmath> |
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| 39 | |
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| 40 | class G4FermiPhaseSpaceDecay |
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| 41 | { |
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| 42 | public: |
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| 43 | inline G4FermiPhaseSpaceDecay(); |
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| 44 | inline ~G4FermiPhaseSpaceDecay(); |
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| 45 | |
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| 46 | inline std::vector<G4LorentzVector*> * |
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| 47 | Decay(const G4double, const std::vector<G4double>&) const; |
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| 48 | |
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| 49 | private: |
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| 50 | inline G4FermiPhaseSpaceDecay(const G4FermiPhaseSpaceDecay&); |
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| 51 | inline const G4FermiPhaseSpaceDecay & operator=(const G4FermiPhaseSpaceDecay &); |
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| 52 | inline G4bool operator==(const G4FermiPhaseSpaceDecay&); |
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| 53 | inline G4bool operator!=(const G4FermiPhaseSpaceDecay&); |
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| 54 | |
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| 55 | inline G4double PtwoBody(G4double E, G4double P1, G4double P2) const; |
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| 56 | |
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| 57 | G4ParticleMomentum IsotropicVector(const G4double Magnitude = 1.0) const; |
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| 58 | |
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| 59 | inline G4double BetaKopylov(const G4int) const; |
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| 60 | |
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| 61 | std::vector<G4LorentzVector*> * |
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| 62 | TwoBodyDecay(const G4double, const std::vector<G4double>&) const; |
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| 63 | |
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| 64 | std::vector<G4LorentzVector*> * |
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| 65 | NBodyDecay(const G4double, const std::vector<G4double>&) const; |
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| 66 | |
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| 67 | std::vector<G4LorentzVector*> * |
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| 68 | KopylovNBodyDecay(const G4double, const std::vector<G4double>&) const; |
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| 69 | }; |
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| 70 | |
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| 71 | #include "G4FermiPhaseSpaceDecay.icc" |
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| 72 | |
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| 73 | #endif |
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