| Geant4 Cross Reference |
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 // GEANT 4 class implementation file
28 //
29 // History: first implementation, based on object model of
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 construction
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 = 0, G4int isoSpin = 0);
60 virtual ~G4ExcitedMesonConstructor() = default;
61
62 virtual void Construct(G4int indexOfState = -1);
63
64 protected:
65 void ConstructMesons(G4int indexOfState, G4int indexOfType);
66
67 G4String GetName(G4int iIso3, G4int iState, G4int idxType);
68 G4double GetCharge(G4int iIsoSpin3);
69 G4int GetEncoding(G4int iIsoSpin3, G4int idxState, G4int idxType);
70 G4int GetQuarkContents(G4int iQ, G4int iIso3, G4int iType);
71
72 protected:
73 G4DecayTable* CreateDecayTable(const G4String&, G4int, G4int, G4int);
74
75 G4DecayTable* AddKPiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
76 G4int iType);
77 G4DecayTable* AddKStarPiMode(G4DecayTable* table, const G4String& name, G4double br,
78 G4int iIso3, G4int iType);
79 G4DecayTable* AddKStar2PiMode(G4DecayTable* table, const G4String& name, G4double br,
80 G4int iIso3, G4int iType);
81 G4DecayTable* AddKRhoMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
82 G4int iType);
83 G4DecayTable* AddKTwoPiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
84 G4int iType);
85 G4DecayTable* AddKOmegaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
86 G4int iType);
87 G4DecayTable* AddKEtaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
88 G4int iType);
89 G4DecayTable* AddPiGammaMode(G4DecayTable* table, const G4String& name, G4double br,
90 G4int iIso3, G4int iIso);
91 G4DecayTable* AddRhoGammaMode(G4DecayTable* table, const G4String& name, G4double br,
92 G4int iIso3, G4int iIso);
93 G4DecayTable* Add2PiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
94 G4int iIso);
95 G4DecayTable* AddPiRhoMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
96 G4int iIso);
97 G4DecayTable* AddPiEtaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
98 G4int iIso);
99 G4DecayTable* AddPiF2Mode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
100 G4int iIso);
101 G4DecayTable* AddPiF0Mode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
102 G4int iIso);
103 G4DecayTable* AddPiA2Mode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
104 G4int iIso);
105 G4DecayTable* Add3PiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
106 G4int iIso);
107 G4DecayTable* Add4PiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
108 G4int iIso);
109 G4DecayTable* AddKKStarMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
110 G4int iIso);
111 G4DecayTable* Add2PiEtaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
112 G4int iIso);
113 G4DecayTable* AddRhoEtaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
114 G4int iIso);
115 G4DecayTable* Add2PiRhoMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
116 G4int iIso);
117 G4DecayTable* Add2PiOmegaMode(G4DecayTable* table, const G4String& name, G4double br,
118 G4int iIso3, G4int iIso);
119 G4DecayTable* AddPiOmegaMode(G4DecayTable* table, const G4String& name, G4double br,
120 G4int iIso3, G4int iIso);
121 G4DecayTable* Add2EtaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
122 G4int iIso);
123 G4DecayTable* Add2KMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
124 G4int iIso);
125 G4DecayTable* Add2KPiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
126 G4int iIso);
127
128 G4bool Exist(G4int idxState, G4int idxType);
129 G4double GetCharge(G4int iIsoSpin3, G4int idxType);
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][NMesonTypes];
160 static const G4double mass[NMultiplets][NMesonTypes];
161 static const G4double massKdiff[NMultiplets];
162 static const G4double width[NMultiplets][NMesonTypes];
163 static const G4double widthKdiff[NMultiplets];
164 static const G4int iIsoSpin[NMesonTypes];
165 static const G4int iSpin[NMultiplets];
166 static const G4int iParity[NMultiplets];
167 static const G4int iGParity[NMultiplets][NMesonTypes];
168 static const G4int iChargeConjugation[NMultiplets];
169 static const G4int encodingOffset[NMultiplets];
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][NMesonTypes][NumberOfDecayModes];
205 };
206
207 inline G4String G4ExcitedMesonConstructor::GetName(G4int iIso3, G4int iState, G4int iType)
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