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G4ExcitedMesonConstructor.hh
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33 // $Id$
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36 // --------------------------------------------------------------
37 // GEANT 4 class implementation file
38 //
39 // History: first implementation, based on object model of
40 // 10 oct 1998 H.Kurashige
41 // ---------------------------------------------------------------
42 #ifndef G4ExcitedMesonConstructor_h
43 #define G4ExcitedMesonConstructor_h 1
44 
45 #include "globals.hh"
46 #include "G4ios.hh"
47 class G4DecayTable;
48 
49 class G4ExcitedMesonConstructor
50 {
51  //This class is a utility class for construction
52  //short lived particles
53 
54  public:
55  G4ExcitedMesonConstructor(G4int nStates = 0, G4int isoSpin=0);
56  virtual ~G4ExcitedMesonConstructor();
57 
58  public:
59  virtual void Construct(G4int indexOfState = -1);
60 
61  protected:
62  void ConstructMesons(G4int indexOfState, G4int indexOfType);
63 
64  G4String GetName(G4int iIso3, G4int iState, G4int idxType);
65  G4double GetCharge(G4int iIsoSpin3);
66  G4int GetEncoding(G4int iIsoSpin3, G4int idxState, G4int idxType);
67  G4int GetQuarkContents(G4int iQ, G4int iIso3, G4int iType);
68 
69  public:
70  enum { NMultiplets = 10 };
71  protected:
72  enum {
73  N11P1 = 0, N13P0 = 1, N13P1 = 2, N13P2 = 3,
74  N11D2 = 4, N13D1 = 5, N13D3 = 6,
75  N21S0 = 7, N23S1 = 8, N23P2 = 9
76  };
77 
78  public:
79  enum { NMesonTypes = 5 };
80  protected:
81  enum { TPi=0, TEta=1, TEtaPrime=2, TK=3, TAntiK=4 };
82 
83  protected:
84  const G4String type;
85  const G4int leptonNumber;
86  const G4int baryonNumber;
87 
88  G4bool Exist(G4int idxState, G4int idxType);
89  G4double GetCharge(G4int iIsoSpin3, G4int idxType);
90  static const char* name[ NMultiplets ][ NMesonTypes ];
91  static const G4double mass[ NMultiplets ][ NMesonTypes ];
92  static const G4double massKdiff[ NMultiplets ];
93  static const G4double width[ NMultiplets ][ NMesonTypes ];
94  static const G4double widthKdiff[ NMultiplets ];
95  static const G4int iIsoSpin[ NMesonTypes ];
96  static const G4int iSpin[ NMultiplets ];
97  static const G4int iParity[ NMultiplets ];
98  static const G4int iGParity[ NMultiplets ][ NMesonTypes ];
99  static const G4int iChargeConjugation[ NMultiplets ];
100  static const G4int encodingOffset[ NMultiplets ];
101 
102  public:
103  enum { NumberOfDecayModes = 19 };
104  protected:
105  enum { MPiGamma = 0, MRhoGamma=1, M2Pi=2, MPiRho=3,
106  M3Pi= 4, MPiEta=5, M4Pi=6, MKKStar=7,
107  M2PiEta=8, MRhoEta=9, M2PiRho=10, M2PiOmega=11,
108  M2Eta=12, M2K=13, M2KPi=14, MPiOmega=15,
109  MPiF2=16, MPiF0=17, MPiA2=18 };
110  enum { MKPi = 0, MKStarPi=1, MKRho=2, MKOmega=3,
111  MKStar2Pi=4, MKTwoPi=5, MKEta=6};
112 
113 
114  static const G4double bRatio[ NMultiplets ][ NMesonTypes ][ NumberOfDecayModes];
115 
116  G4DecayTable* CreateDecayTable(const G4String&,
117  G4int , G4int, G4int);
118 
119  G4DecayTable* AddKPiMode( G4DecayTable* table, const G4String& name,
120  G4double br, G4int iIso3, G4int iType);
121  G4DecayTable* AddKStarPiMode( G4DecayTable* table, const G4String& name,
122  G4double br, G4int iIso3, G4int iType);
123  G4DecayTable* AddKStar2PiMode( G4DecayTable* table, const G4String& name,
124  G4double br, G4int iIso3, G4int iType);
125  G4DecayTable* AddKRhoMode( G4DecayTable* table, const G4String& name,
126  G4double br, G4int iIso3, G4int iType);
127  G4DecayTable* AddKTwoPiMode( G4DecayTable* table, const G4String& name,
128  G4double br, G4int iIso3, G4int iType);
129  G4DecayTable* AddKOmegaMode( G4DecayTable* table, const G4String& name,
130  G4double br, G4int iIso3, G4int iType);
131  G4DecayTable* AddKEtaMode( G4DecayTable* table, const G4String& name,
132  G4double br, G4int iIso3, G4int iType);
133  G4DecayTable* AddPiGammaMode( G4DecayTable* table, const G4String& name,
134  G4double br, G4int iIso3,G4int iIso);
135  G4DecayTable* AddRhoGammaMode( G4DecayTable* table, const G4String& name,
136  G4double br, G4int iIso3, G4int iIso);
137  G4DecayTable* Add2PiMode( G4DecayTable* table, const G4String& name,
138  G4double br, G4int iIso3, G4int iIso);
139  G4DecayTable* AddPiRhoMode( G4DecayTable* table, const G4String& name,
140  G4double br, G4int iIso3, G4int iIso);
141  G4DecayTable* AddPiEtaMode( G4DecayTable* table, const G4String& name,
142  G4double br, G4int iIso3, G4int iIso);
143  G4DecayTable* AddPiF2Mode( G4DecayTable* table, const G4String& name,
144  G4double br, G4int iIso3, G4int iIso);
145  G4DecayTable* AddPiF0Mode( G4DecayTable* table, const G4String& name,
146  G4double br, G4int iIso3, G4int iIso);
147  G4DecayTable* AddPiA2Mode( G4DecayTable* table, const G4String& name,
148  G4double br, G4int iIso3, G4int iIso);
149  G4DecayTable* Add3PiMode( G4DecayTable* table, const G4String& name,
150  G4double br, G4int iIso3, G4int iIso);
151  G4DecayTable* Add4PiMode( G4DecayTable* table, const G4String& name,
152  G4double br, G4int iIso3, G4int iIso);
153  G4DecayTable* AddKKStarMode( G4DecayTable* table, const G4String& name,
154  G4double br, G4int iIso3, G4int iIso);
155  G4DecayTable* Add2PiEtaMode( G4DecayTable* table, const G4String& name,
156  G4double br, G4int iIso3, G4int iIso);
157  G4DecayTable* AddRhoEtaMode( G4DecayTable* table, const G4String& name,
158  G4double br, G4int iIso3, G4int iIso);
159  G4DecayTable* Add2PiRhoMode( G4DecayTable* table, const G4String& name,
160  G4double br, G4int iIso3, G4int iIso);
161  G4DecayTable* Add2PiOmegaMode( G4DecayTable* table, const G4String& name,
162  G4double br, G4int iIso3, G4int iIso);
163  G4DecayTable* AddPiOmegaMode( G4DecayTable* table, const G4String& name,
164  G4double br, G4int iIso3, G4int iIso);
165  G4DecayTable* Add2EtaMode( G4DecayTable* table, const G4String& name,
166  G4double br, G4int iIso3, G4int iIso);
167  G4DecayTable* Add2KMode( G4DecayTable* table, const G4String& name,
168  G4double br, G4int iIso3, G4int iIso);
169  G4DecayTable* Add2KPiMode( G4DecayTable* table, const G4String& name,
170  G4double br, G4int iIso3, G4int iIso);
171 
172 
173 
174 };
175 
176 
177 inline
178  G4String G4ExcitedMesonConstructor::GetName(G4int iIso3,
179  G4int iState,
180  G4int iType)
181 {
182  G4String particle = name[iState][iType];
183  if (iType == TPi) {
184  if ( iIso3 == +2 ){
185  particle += "+";
186  } else if ( iIso3 == -2 ){
187  particle += "-";
188  } else {
189  particle += "0";
190  }
191  } else if (iType == TK) {
192  if ( iIso3 == +1 ){
193  particle += "+";
194  } else if ( iIso3 == -1 ){
195  particle += "0";
196  }
197  } else if (iType == TAntiK) {
198  if ( iIso3 == +1 ){
199  particle += "0";
200  particle = "anti_" + particle;
201  } else if ( iIso3 == -1 ){
202  particle += "-";
203  }
204  }
205  return particle;
206 }
207 
208 #endif
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