| 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 | // $Id: G4LundStringFragmentation.hh,v 1.7 2010/09/20 12:46:23 vuzhinsk Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-03-ref-09 $ Maxim Komogorov
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| 29 | //
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| 30 | // -----------------------------------------------------------------------------
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| 31 | // GEANT 4 class implementation file
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| 32 | //
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| 33 | // History: first implementation, Maxim Komogorov, 10-Jul-1998
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| 34 | // -----------------------------------------------------------------------------
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| 35 |
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| 36 | #ifndef G4LundStringFragmentation_h
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| 37 | #define G4LundStringFragmentation_h 1
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| 38 |
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| 39 | #include "G4VLongitudinalStringDecay.hh"
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| 40 |
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| 41 | //**************************************************************************************************************
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| 42 |
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| 43 | class G4LundStringFragmentation: public G4VLongitudinalStringDecay
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| 44 | {
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| 45 | public:
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| 46 |
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| 47 | G4LundStringFragmentation();
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| 48 | G4LundStringFragmentation(const G4LundStringFragmentation &right);
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| 49 | virtual ~G4LundStringFragmentation();
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| 50 |
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| 51 | const G4LundStringFragmentation & operator=(const G4LundStringFragmentation &right);
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| 52 | int operator==(const G4LundStringFragmentation &right) const;
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| 53 | int operator!=(const G4LundStringFragmentation &right) const;
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| 54 |
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| 55 | virtual G4KineticTrackVector* FragmentString(const G4ExcitedString& theString);
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| 56 |
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| 57 | private:
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| 58 | void SetMinimalStringMass(const G4FragmentingString * const string);
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| 59 | void SetMinimalStringMass2(const G4double aValue);
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| 60 |
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| 61 | virtual G4bool StopFragmenting(const G4FragmentingString * const string);
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| 62 | virtual G4bool IsFragmentable(const G4FragmentingString * const string);
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| 63 |
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| 64 | virtual G4bool SplitLast(G4FragmentingString * string,
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| 65 | G4KineticTrackVector * LeftVector,
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| 66 | G4KineticTrackVector * RightVector);
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| 67 |
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| 68 | virtual void Sample4Momentum(G4LorentzVector* Mom, G4double Mass,
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| 69 | G4LorentzVector* AntiMom, G4double AntiMass,
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| 70 | G4double InitialMass);
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| 71 |
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| 72 | virtual G4LorentzVector * SplitEandP(G4ParticleDefinition * pHadron,
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| 73 | G4FragmentingString * string,
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| 74 | G4FragmentingString * newString); // Uzhi
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| 75 |
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| 76 | virtual G4double GetLightConeZ(G4double zmin, G4double zmax,
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| 77 | G4int PartonEncoding,
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| 78 | G4ParticleDefinition* pHadron,
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| 79 | G4double Px, G4double Py);
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| 80 |
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| 81 | G4double lambda(G4double s, G4double m1_Sqr, G4double m2_Sqr);
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| 82 |
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| 83 | private:
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| 84 | // ------ For estimation of a minimal string mass ---------------
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| 85 | G4double Mass_of_light_quark;
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| 86 | G4double Mass_of_heavy_quark;
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| 87 | G4double Mass_of_string_junction;
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| 88 | // ------ An estimated minimal string mass ----------------------
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| 89 | G4double MinimalStringMass;
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| 90 | G4double MinimalStringMass2;
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| 91 | // ------ Minimal invariant mass used at a string fragmentation -
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| 92 | G4double WminLUND;
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| 93 |
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| 94 | G4int Meson[3][3][6];
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| 95 | G4double MesonWeight[3][3][6];
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| 96 |
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| 97 | G4int Baryon[3][3][3][4];
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| 98 | G4double BaryonWeight[3][3][3][4];
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| 99 |
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| 100 | G4double Prob_QQbar[3];
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| 101 | };
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| 102 |
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| 103 | //**************************************************************************************************************
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| 104 | // Class G4LundStringFragmentation
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| 105 | #endif
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| 106 |
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| 107 |
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