source: trunk/source/processes/hadronic/models/parton_string/hadronization/include/G4LundStringFragmentation.hh@ 1199

Last change on this file since 1199 was 1196, checked in by garnier, 16 years ago

update CVS release candidate geant4.9.3.01

File size: 4.5 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 1.6 2008/04/25 14:20:14 vuzhinsk Exp $
28// GEANT4 tag $Name: geant4-09-03-cand-01 $ 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
81private:
82// ------ For estimation of a minimal string mass ---------------
83 G4double Mass_of_light_quark;
84 G4double Mass_of_heavy_quark;
85 G4double Mass_of_string_junction;
86// ------ An estimated minimal string mass ----------------------
87 G4double MinimalStringMass;
88 G4double MinimalStringMass2;
89// ------ Minimal invariant mass used at a string fragmentation -
90 G4double WminLUND;
91};
92
93//**************************************************************************************************************
94// Class G4LundStringFragmentation
95#endif
96
97
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