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G4QParticle.hh
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27 // $Id$
28 //
29 // ---------------- G4QParticle ----------------
30 // by Mikhail Kossov, Sept 1999.
31 // class header for Particles in the CHIPS Model
32 // ---------------------------------------------------
33 // Short description: The G4QParticle is a part of the CHIPS World. It is
34 // characterized by the quark content, spin, mass, width and a vector of
35 // the decay channels (G4QDecayCannelVector).
36 // -----------------------------------------------------------------------
37 
38 #ifndef G4QParticle_h
39 #define G4QParticle_h 1
40 
41 #include <iostream>
42 #include "globals.hh"
43 #include "G4QDecayChanVector.hh"
44 
45 class G4QParticle
46 {
47 public:
48  // Constructors
49  G4QParticle(); // Default Constructor
50  G4QParticle(G4bool f, G4int theQCode); // QCode Constructor, f-verbose
51  G4QParticle(G4int thePDG); // PDGCode Constructor
52  G4QParticle(const G4QParticle& right); // Copy Constructor by value
53  G4QParticle(G4QParticle* right); // Copy Constructor by pointer
54 
55  ~G4QParticle(); // Public Destructor
56 
57  // Operators
58  const G4QParticle& operator=(const G4QParticle& right);
59  G4bool operator==(const G4QParticle& rhs) const;
60  G4bool operator!=(const G4QParticle& rhs) const;
61 
62  // Selectors
63  G4QPDGCode GetQPDG() const; // Get a PDG-Particle of the Particle
64  G4int GetPDGCode() const; // Get a PDG Code of the Particle
65  G4int GetQCode() const; // Get a Q Code of the Particle
66  G4int GetSpin() const; // Get 2s+1 of the Particle
67  G4int GetCharge() const; // Get a Charge of the Particle
68  G4int GetStrange() const; // Get a Strangeness of the Particle
69  G4int GetBaryNum() const; // Get a Baryon Number of the Particle
70  G4QContent GetQContent(); // Get Quark Content of the Particle
71  G4QDecayChanVector GetDecayVector(); // Get a Decay Vector for the Particle
72  G4double GetMass(); // Get a mass value for the Particle
73  G4double GetWidth(); // Get a width value for the Particle
74 
75  // Modifiers
76  G4QDecayChanVector InitDecayVector(G4int Q);// Init DecayVector in theCHIPSWorld by QCode
77  void InitPDGParticle(G4int thePDGCode);
78  void InitQParticle(G4int theQCode);
79 
80  // General
81  G4double MinMassOfFragm(); // Minimal mass of decaing fragments
82 
83 private:
84  // Encapsulated functions
85 
86 private:
87  // the Body
88  G4QPDGCode aQPDG;
89  G4QDecayChanVector aDecay;
90  G4QContent aQuarkCont; // @@ Secondary (added for acceleration - check)
91 };
92 
93 // Not member operators
94 std::ostream& operator<<(std::ostream& lhs, G4QParticle& rhs);
95 // Not member functions
96 //----------------------------------------------------------------------------------------
97 
98 inline G4bool G4QParticle::operator==(const G4QParticle& rhs) const {return this==&rhs;}
99 inline G4bool G4QParticle::operator!=(const G4QParticle& rhs) const {return this!=&rhs;}
100 
101 inline G4QPDGCode G4QParticle::GetQPDG() const {return aQPDG;}
102 inline G4int G4QParticle::GetQCode() const {return aQPDG.GetQCode();}
103 inline G4int G4QParticle::GetPDGCode() const {return aQPDG.GetPDGCode();}
104 inline G4int G4QParticle::GetSpin() const {return aQPDG.GetSpin();}
105 inline G4int G4QParticle::GetCharge() const {return aQuarkCont.GetCharge();}
106 inline G4int G4QParticle::GetStrange() const {return aQuarkCont.GetStrangeness();}
107 inline G4int G4QParticle::GetBaryNum() const {return aQuarkCont.GetBaryonNumber();}
108 inline G4QContent G4QParticle::GetQContent() {return aQuarkCont;}
109 inline G4QDecayChanVector G4QParticle::GetDecayVector() {return aDecay;}
110 inline G4double G4QParticle::GetMass() {return aQPDG.GetMass();}
111 inline G4double G4QParticle::GetWidth() {return aQPDG.GetWidth();}
112 
113 inline G4double G4QParticle::MinMassOfFragm()
114 {
115  G4int nCh=aDecay.size();
116  G4double mass=GetMass();
117  G4double min=mass;
118  if(nCh)
119  {
120  min=aDecay[0]->GetMinMass();
121  if(nCh>1) for(G4int j=1; j<nCh; j++)
122  {
123  G4double next=aDecay[j]->GetMinMass();
124  if(next<min) min=next;
125  }
126  }
127  G4double w=GetWidth();
128  G4double lim=mass+.001;
129  if(w) lim-=1.5*w;
130  if(min<lim) min=lim;
131  return min;
132 }
133 
134 #endif
135 
136 
137 
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