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1 // 1
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25 //
26 // -------------------------------------------
27 // GEANT 4 class implementation file
28 //
29 // History: first implementation, based o
30 // 10 oct 1998 H.Kurashige
31 // -------------------------------------------
32 #ifndef G4ExcitedMesonConstructor_h
33 #define G4ExcitedMesonConstructor_h 1
34
35 #include "globals.hh"
36 class G4DecayTable;
37
38 class G4ExcitedMesonConstructor
39 {
40 // This class is a utility class for const
41 // short lived particles
42 public:
43 enum
44 {
45 NMultiplets = 10
46 };
47
48 enum
49 {
50 NMesonTypes = 5
51 };
52
53 enum
54 {
55 NumberOfDecayModes = 19
56 };
57
58 public:
59 G4ExcitedMesonConstructor(G4int nStates =
60 virtual ~G4ExcitedMesonConstructor() = def
61
62 virtual void Construct(G4int indexOfState
63
64 protected:
65 void ConstructMesons(G4int indexOfState, G
66
67 G4String GetName(G4int iIso3, G4int iState
68 G4double GetCharge(G4int iIsoSpin3);
69 G4int GetEncoding(G4int iIsoSpin3, G4int i
70 G4int GetQuarkContents(G4int iQ, G4int iIs
71
72 protected:
73 G4DecayTable* CreateDecayTable(const G4Str
74
75 G4DecayTable* AddKPiMode(G4DecayTable* tab
76 G4int iType);
77 G4DecayTable* AddKStarPiMode(G4DecayTable*
78 G4int iIso3,
79 G4DecayTable* AddKStar2PiMode(G4DecayTable
80 G4int iIso3,
81 G4DecayTable* AddKRhoMode(G4DecayTable* ta
82 G4int iType);
83 G4DecayTable* AddKTwoPiMode(G4DecayTable*
84 G4int iType);
85 G4DecayTable* AddKOmegaMode(G4DecayTable*
86 G4int iType);
87 G4DecayTable* AddKEtaMode(G4DecayTable* ta
88 G4int iType);
89 G4DecayTable* AddPiGammaMode(G4DecayTable*
90 G4int iIso3,
91 G4DecayTable* AddRhoGammaMode(G4DecayTable
92 G4int iIso3,
93 G4DecayTable* Add2PiMode(G4DecayTable* tab
94 G4int iIso);
95 G4DecayTable* AddPiRhoMode(G4DecayTable* t
96 G4int iIso);
97 G4DecayTable* AddPiEtaMode(G4DecayTable* t
98 G4int iIso);
99 G4DecayTable* AddPiF2Mode(G4DecayTable* ta
100 G4int iIso);
101 G4DecayTable* AddPiF0Mode(G4DecayTable* ta
102 G4int iIso);
103 G4DecayTable* AddPiA2Mode(G4DecayTable* ta
104 G4int iIso);
105 G4DecayTable* Add3PiMode(G4DecayTable* tab
106 G4int iIso);
107 G4DecayTable* Add4PiMode(G4DecayTable* tab
108 G4int iIso);
109 G4DecayTable* AddKKStarMode(G4DecayTable*
110 G4int iIso);
111 G4DecayTable* Add2PiEtaMode(G4DecayTable*
112 G4int iIso);
113 G4DecayTable* AddRhoEtaMode(G4DecayTable*
114 G4int iIso);
115 G4DecayTable* Add2PiRhoMode(G4DecayTable*
116 G4int iIso);
117 G4DecayTable* Add2PiOmegaMode(G4DecayTable
118 G4int iIso3,
119 G4DecayTable* AddPiOmegaMode(G4DecayTable*
120 G4int iIso3,
121 G4DecayTable* Add2EtaMode(G4DecayTable* ta
122 G4int iIso);
123 G4DecayTable* Add2KMode(G4DecayTable* tabl
124 G4int iIso);
125 G4DecayTable* Add2KPiMode(G4DecayTable* ta
126 G4int iIso);
127
128 G4bool Exist(G4int idxState, G4int idxType
129 G4double GetCharge(G4int iIsoSpin3, G4int
130
131 protected:
132 enum
133 {
134 N11P1 = 0,
135 N13P0 = 1,
136 N13P1 = 2,
137 N13P2 = 3,
138 N11D2 = 4,
139 N13D1 = 5,
140 N13D3 = 6,
141 N21S0 = 7,
142 N23S1 = 8,
143 N23P2 = 9
144 };
145
146 enum
147 {
148 TPi = 0,
149 TEta = 1,
150 TEtaPrime = 2,
151 TK = 3,
152 TAntiK = 4
153 };
154
155 const G4String type;
156 const G4int leptonNumber{0};
157 const G4int baryonNumber{0};
158
159 static const char* name[NMultiplets][NMeso
160 static const G4double mass[NMultiplets][NM
161 static const G4double massKdiff[NMultiplet
162 static const G4double width[NMultiplets][N
163 static const G4double widthKdiff[NMultiple
164 static const G4int iIsoSpin[NMesonTypes];
165 static const G4int iSpin[NMultiplets];
166 static const G4int iParity[NMultiplets];
167 static const G4int iGParity[NMultiplets][N
168 static const G4int iChargeConjugation[NMul
169 static const G4int encodingOffset[NMultipl
170
171 enum
172 {
173 MPiGamma = 0,
174 MRhoGamma = 1,
175 M2Pi = 2,
176 MPiRho = 3,
177 M3Pi = 4,
178 MPiEta = 5,
179 M4Pi = 6,
180 MKKStar = 7,
181 M2PiEta = 8,
182 MRhoEta = 9,
183 M2PiRho = 10,
184 M2PiOmega = 11,
185 M2Eta = 12,
186 M2K = 13,
187 M2KPi = 14,
188 MPiOmega = 15,
189 MPiF2 = 16,
190 MPiF0 = 17,
191 MPiA2 = 18
192 };
193 enum
194 {
195 MKPi = 0,
196 MKStarPi = 1,
197 MKRho = 2,
198 MKOmega = 3,
199 MKStar2Pi = 4,
200 MKTwoPi = 5,
201 MKEta = 6
202 };
203
204 static const G4double bRatio[NMultiplets][
205 };
206
207 inline G4String G4ExcitedMesonConstructor::Get
208 {
209 G4String particle = name[iState][iType];
210 if (iType == TPi) {
211 if (iIso3 == +2) {
212 particle += "+";
213 }
214 else if (iIso3 == -2) {
215 particle += "-";
216 }
217 else {
218 particle += "0";
219 }
220 }
221 else if (iType == TK) {
222 if (iIso3 == +1) {
223 particle += "+";
224 }
225 else if (iIso3 == -1) {
226 particle += "0";
227 }
228 }
229 else if (iType == TAntiK) {
230 if (iIso3 == +1) {
231 particle += "0";
232 particle = "anti_" + particle;
233 }
234 else if (iIso3 == -1) {
235 particle += "-";
236 }
237 }
238 return particle;
239 }
240
241 #endif
242