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G4Parton.hh
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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:
51  {
52  // CAUTION:
53  // this is a preliminary definition yielding u and d quarks only!
54  //
56  theColour = (G4int)(3.*G4UniformRand())+1;
57  theIsoSpinZ = ((G4int)(G4UniformRand()))-0.5;
58  theSpinZ = ((G4int)(G4UniformRand()))-0.5;
59  }
60 
62  G4Parton(const G4Parton &right);
63 
64  ~G4Parton();
65 
66  G4Parton & operator=(const G4Parton &right);
67 
68  G4bool operator==(const G4Parton &right) const;
69 
70  G4bool operator!=(const G4Parton &right) const;
71 
72  G4int GetPDGcode() const;
73 
75  void SetDefinition(G4ParticleDefinition * aDefinition); // Uzhi
76 
77  void DefineMomentumInZ(G4double aLightConeMomentum, G4bool aDirection);
78  void DefineMomentumInZ(G4double aLightConeMomentum,G4double aLightConeE, G4bool aDirection);
79 
80  const G4ThreeVector & GetPosition()const;
81  void SetPosition(const G4ThreeVector &aPosition);
82 
83  const G4LorentzVector & Get4Momentum() const;
84  void Set4Momentum(const G4LorentzVector & aMomentum);
85 
86  void SetX(G4double anX) { theX = anX; }
87  G4double GetX() {return theX;}
88 
89  void SetColour(G4int aColour) {theColour = aColour;}
91 
92  void SetIsoSpinZ(G4double anIsoSpinZ) {theIsoSpinZ = anIsoSpinZ;}
94 
95  void SetSpinZ(G4double aSpinZ) {theSpinZ = aSpinZ;}
97 
98  private:
99  G4double GetMass();
100 
101  public:
104 
105  private:
108 
112 
114 
115 };
116 
118 {
119  return this==&right;
120 }
121 
123 {
124  return this!=&right;
125 }
126 
128 {
129  return PDGencoding;
130 }
131 
132 inline const G4ThreeVector & G4Parton::GetPosition() const
133 {
134  return thePosition;
135 }
136 
137 inline void G4Parton::SetPosition(const G4ThreeVector &aPosition)
138 {
139  thePosition=aPosition;
140 }
141 
142 
144 {
145  return theMomentum;
146 }
147 
148 inline void G4Parton::Set4Momentum(const G4LorentzVector & aMomentum)
149 {
150  theMomentum=aMomentum;
151 }
152 
153 
154 inline
156 {
157  return theDefinition->GetPDGMass();
158 }
159 
160 inline
162 {
163  return theDefinition;
164 }
165 
166 inline void G4Parton::SetDefinition(G4ParticleDefinition * aDefinition) // Uzhi
167 {
168  theDefinition = aDefinition;
170 }
171 
172 
173 #endif