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 | // |
---|
28 | |
---|
29 | #ifndef G4Parton_h |
---|
30 | #define G4Parton_h 1 |
---|
31 | |
---|
32 | // ------------------------------------------------------------ |
---|
33 | // GEANT 4 class header file |
---|
34 | // |
---|
35 | // ---------------- G4Parton ---------------- |
---|
36 | // by Gunter Folger, June 1998. |
---|
37 | // class for Parton (inside a string) used by Parton String Models |
---|
38 | // ------------------------------------------------------------ |
---|
39 | |
---|
40 | #include "globals.hh" |
---|
41 | #include "G4ThreeVector.hh" |
---|
42 | #include "G4LorentzVector.hh" |
---|
43 | #include <iostream> |
---|
44 | #include "G4ParticleTable.hh" |
---|
45 | #include "Randomize.hh" |
---|
46 | |
---|
47 | class G4Parton |
---|
48 | { |
---|
49 | public: |
---|
50 | G4Parton() |
---|
51 | { |
---|
52 | // CAUTION: |
---|
53 | // this is a preliminary definition yielding u and d quarks only! |
---|
54 | // |
---|
55 | PDGencoding=(G4int)(2.*G4UniformRand()); |
---|
56 | theColour = (G4int)(3.*G4UniformRand())+1; |
---|
57 | theIsoSpinZ = ((G4int)(G4UniformRand()))-0.5; |
---|
58 | theSpinZ = ((G4int)(G4UniformRand()))-0.5; |
---|
59 | } |
---|
60 | |
---|
61 | G4Parton(G4int PDGencoding); |
---|
62 | G4Parton(const G4Parton &right); |
---|
63 | |
---|
64 | ~G4Parton(); |
---|
65 | |
---|
66 | const G4Parton & operator=(const G4Parton &right); |
---|
67 | |
---|
68 | int operator==(const G4Parton &right) const; |
---|
69 | |
---|
70 | int operator!=(const G4Parton &right) const; |
---|
71 | |
---|
72 | G4int GetPDGcode() const; |
---|
73 | |
---|
74 | G4ParticleDefinition * GetDefinition(); |
---|
75 | |
---|
76 | void DefineMomentumInZ(G4double aLightConeMomentum, G4bool aDirection); |
---|
77 | void DefineMomentumInZ(G4double aLightConeMomentum,G4double aLightConeE, G4bool aDirection); |
---|
78 | |
---|
79 | const G4ThreeVector & GetPosition()const; |
---|
80 | void SetPosition(const G4ThreeVector &aPosition); |
---|
81 | |
---|
82 | const G4LorentzVector & Get4Momentum() const; |
---|
83 | void Set4Momentum(const G4LorentzVector & aMomentum); |
---|
84 | |
---|
85 | void SetX(G4double anX) { theX = anX; } |
---|
86 | G4double GetX() {return theX;} |
---|
87 | |
---|
88 | void SetColour(G4int aColour) {theColour = aColour;} |
---|
89 | G4int GetColour() {return theColour;} |
---|
90 | |
---|
91 | void SetIsoSpinZ(G4double anIsoSpinZ) {theIsoSpinZ = anIsoSpinZ;} |
---|
92 | G4double GetIsoSpinZ() {return theIsoSpinZ;} |
---|
93 | |
---|
94 | void SetSpinZ(G4double aSpinZ) {theSpinZ = aSpinZ;} |
---|
95 | G4double GetSpinZ() {return theSpinZ;} |
---|
96 | |
---|
97 | private: |
---|
98 | G4double GetMass(); |
---|
99 | |
---|
100 | private: |
---|
101 | G4int PDGencoding; |
---|
102 | G4ParticleDefinition * theDefinition; |
---|
103 | G4LorentzVector theMomentum; |
---|
104 | G4ThreeVector thePosition; |
---|
105 | |
---|
106 | G4int theColour; |
---|
107 | G4double theIsoSpinZ; |
---|
108 | G4double theSpinZ; |
---|
109 | |
---|
110 | G4double theX; |
---|
111 | |
---|
112 | }; |
---|
113 | |
---|
114 | inline int G4Parton::operator==(const G4Parton &right) const |
---|
115 | { |
---|
116 | return this==&right; |
---|
117 | } |
---|
118 | |
---|
119 | inline int G4Parton::operator!=(const G4Parton &right) const |
---|
120 | { |
---|
121 | return this!=&right; |
---|
122 | } |
---|
123 | |
---|
124 | inline G4int G4Parton::GetPDGcode() const |
---|
125 | { |
---|
126 | return PDGencoding; |
---|
127 | } |
---|
128 | |
---|
129 | inline const G4ThreeVector & G4Parton::GetPosition() const |
---|
130 | { |
---|
131 | return thePosition; |
---|
132 | } |
---|
133 | |
---|
134 | inline void G4Parton::SetPosition(const G4ThreeVector &aPosition) |
---|
135 | { |
---|
136 | thePosition=aPosition; |
---|
137 | } |
---|
138 | |
---|
139 | |
---|
140 | inline const G4LorentzVector & G4Parton::Get4Momentum() const |
---|
141 | { |
---|
142 | return theMomentum; |
---|
143 | } |
---|
144 | |
---|
145 | inline void G4Parton::Set4Momentum(const G4LorentzVector & aMomentum) |
---|
146 | { |
---|
147 | theMomentum=aMomentum; |
---|
148 | } |
---|
149 | |
---|
150 | |
---|
151 | inline |
---|
152 | G4double G4Parton::GetMass() |
---|
153 | { |
---|
154 | return theDefinition->GetPDGMass(); |
---|
155 | } |
---|
156 | |
---|
157 | inline |
---|
158 | G4ParticleDefinition * G4Parton::GetDefinition() |
---|
159 | { |
---|
160 | return theDefinition; |
---|
161 | } |
---|
162 | |
---|
163 | |
---|
164 | #endif |
---|