source: trunk/source/processes/hadronic/models/parton_string/hadronization/include/G4LundStringFragmentation.hh @ 1340

Last change on this file since 1340 was 1340, checked in by garnier, 14 years ago

update ti head

File size: 4.7 KB
Line 
1//
2// ********************************************************************
3// * License and Disclaimer                                           *
4// *                                                                  *
5// * The  Geant4 software  is  copyright of the Copyright Holders  of *
6// * the Geant4 Collaboration.  It is provided  under  the terms  and *
7// * conditions of the Geant4 Software License,  included in the file *
8// * LICENSE and available at  http://cern.ch/geant4/license .  These *
9// * include a list of copyright holders.                             *
10// *                                                                  *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work  make  any representation or  warranty, express or implied, *
14// * regarding  this  software system or assume any liability for its *
15// * use.  Please see the license in the file  LICENSE  and URL above *
16// * for the full disclaimer and the limitation of liability.         *
17// *                                                                  *
18// * This  code  implementation is the result of  the  scientific and *
19// * technical work of the GEANT4 collaboration.                      *
20// * By using,  copying,  modifying or  distributing the software (or *
21// * any work based  on the software)  you  agree  to acknowledge its *
22// * use  in  resulting  scientific  publications,  and indicate your *
23// * acceptance of all terms of the Geant4 Software license.          *
24// ********************************************************************
25//
26//
27// $Id: G4LundStringFragmentation.hh,v 1.7 2010/09/20 12:46:23 vuzhinsk Exp $
28// GEANT4 tag $Name: geant4-09-03-ref-09 $ Maxim Komogorov
29//
30// -----------------------------------------------------------------------------
31//      GEANT 4 class implementation file
32//
33//      History: first implementation, Maxim Komogorov, 10-Jul-1998
34// -----------------------------------------------------------------------------
35
36#ifndef G4LundStringFragmentation_h
37#define G4LundStringFragmentation_h 1
38
39#include "G4VLongitudinalStringDecay.hh"
40
41//**************************************************************************************************************
42
43class G4LundStringFragmentation: public G4VLongitudinalStringDecay
44    {
45public:
46
47    G4LundStringFragmentation();
48    G4LundStringFragmentation(const G4LundStringFragmentation &right);
49    virtual ~G4LundStringFragmentation();
50
51    const G4LundStringFragmentation & operator=(const G4LundStringFragmentation &right);
52    int operator==(const G4LundStringFragmentation &right) const;
53    int operator!=(const G4LundStringFragmentation &right) const;
54
55    virtual G4KineticTrackVector* FragmentString(const G4ExcitedString& theString);
56
57private:
58   void SetMinimalStringMass(const G4FragmentingString  * const string);                   
59   void SetMinimalStringMass2(const G4double aValue);   
60
61   virtual G4bool StopFragmenting(const G4FragmentingString  * const string);
62   virtual G4bool IsFragmentable(const G4FragmentingString * const string);
63
64   virtual G4bool SplitLast(G4FragmentingString * string, 
65                            G4KineticTrackVector * LeftVector,
66                            G4KineticTrackVector * RightVector);
67
68   virtual void Sample4Momentum(G4LorentzVector* Mom,     G4double Mass, 
69                                G4LorentzVector* AntiMom, G4double AntiMass, 
70                                G4double InitialMass); 
71
72   virtual G4LorentzVector * SplitEandP(G4ParticleDefinition * pHadron, 
73                                        G4FragmentingString * string,
74                                        G4FragmentingString * newString); // Uzhi
75
76   virtual G4double GetLightConeZ(G4double zmin, G4double zmax, 
77                                  G4int PartonEncoding, 
78                                  G4ParticleDefinition* pHadron,
79                                  G4double Px, G4double Py);     
80
81   G4double lambda(G4double s, G4double m1_Sqr, G4double m2_Sqr);
82
83private:
84// ------ For estimation of a minimal string mass ---------------
85   G4double Mass_of_light_quark;
86   G4double Mass_of_heavy_quark;
87   G4double Mass_of_string_junction;
88// ------ An estimated minimal string mass ----------------------
89   G4double MinimalStringMass;
90   G4double MinimalStringMass2;
91// ------ Minimal invariant mass used at a string fragmentation -
92   G4double WminLUND;               
93
94   G4int          Meson[3][3][6];
95   G4double MesonWeight[3][3][6];
96
97   G4int          Baryon[3][3][3][4];
98   G4double BaryonWeight[3][3][3][4];
99
100   G4double Prob_QQbar[3];
101};
102
103//**************************************************************************************************************
104// Class G4LundStringFragmentation
105#endif
106
107
Note: See TracBrowser for help on using the repository browser.