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25 // 25 //
>> 26 //
>> 27 //
>> 28 //
26 // ------------------------------------------- 29 // --------------------------------------------------------------
27 // GEANT 4 class implementation file << 30 // GEANT 4 class implementation file
28 // 31 //
29 // History: first implementation, based o 32 // History: first implementation, based on object model of
30 // 10 oct 1998 H.Kurashige 33 // 10 oct 1998 H.Kurashige
31 // <<
32 // Update mass and width following PDG 20 <<
33 // 4 nov 2023 S.Okada <<
34 // ------------------------------------------- 34 // ---------------------------------------------------------------
35 35
>> 36
36 #include "G4ExcitedXiConstructor.hh" 37 #include "G4ExcitedXiConstructor.hh"
37 38
38 #include "G4DecayTable.hh" <<
39 #include "G4PhaseSpaceDecayChannel.hh" <<
40 #include "G4SystemOfUnits.hh" 39 #include "G4SystemOfUnits.hh"
>> 40 #include "G4ParticleDefinition.hh"
>> 41 #include "G4ParticleTable.hh"
>> 42 #include "G4PhaseSpaceDecayChannel.hh"
41 #include "G4VDecayChannel.hh" 43 #include "G4VDecayChannel.hh"
>> 44 #include "G4DecayTable.hh"
>> 45
>> 46 G4ExcitedXiConstructor::G4ExcitedXiConstructor():
>> 47 G4ExcitedBaryonConstructor(NStates, XiIsoSpin)
>> 48 {
>> 49
>> 50 }
42 51
43 G4ExcitedXiConstructor::G4ExcitedXiConstructor << 52 G4ExcitedXiConstructor::~G4ExcitedXiConstructor()
>> 53 {
>> 54 }
44 55
45 G4DecayTable* G4ExcitedXiConstructor::CreateDe << 56 G4DecayTable* G4ExcitedXiConstructor::CreateDecayTable(
46 << 57 const G4String& parentName,
>> 58 G4int iIso3,
>> 59 G4int iState,
>> 60 G4bool fAnti)
47 { 61 {
>> 62
48 // create decay table 63 // create decay table
49 auto decayTable = new G4DecayTable(); << 64 G4DecayTable* decayTable = new G4DecayTable();
50 65
51 G4double br; 66 G4double br;
52 if ((br = bRatio[iState][XiPi]) > 0.0) { << 67 if ( (br=bRatio[iState][XiPi]) >0.0) {
53 AddXiPiMode(decayTable, parentName, br, iI << 68 AddXiPiMode( decayTable, parentName, br, iIso3, fAnti);
54 } 69 }
55 70
56 if ((br = bRatio[iState][XiGamma]) > 0.0) { << 71 if ( (br=bRatio[iState][XiGamma]) >0.0) {
57 AddXiGammaMode(decayTable, parentName, br, << 72 AddXiGammaMode( decayTable, parentName, br, iIso3, fAnti);
58 } 73 }
59 74
60 if ((br = bRatio[iState][LambdaK]) > 0.0) { << 75 if ( (br=bRatio[iState][LambdaK]) >0.0) {
61 AddLambdaKMode(decayTable, parentName, br, << 76 AddLambdaKMode( decayTable, parentName, br, iIso3, fAnti);
62 } 77 }
63 78
64 if ((br = bRatio[iState][SigmaK]) > 0.0) { << 79 if ( (br=bRatio[iState][SigmaK]) >0.0) {
65 AddSigmaKMode(decayTable, parentName, br, << 80 AddSigmaKMode( decayTable, parentName, br, iIso3, fAnti);
66 } 81 }
67 82
68 return decayTable; << 83 return decayTable;
69 } 84 }
70 85
71 G4DecayTable* G4ExcitedXiConstructor::AddXiGam << 86 G4DecayTable* G4ExcitedXiConstructor::AddXiGammaMode(
72 << 87 G4DecayTable* decayTable, const G4String& nameParent,
73 << 88 G4double br, G4int iIso3, G4bool fAnti)
74 { 89 {
75 G4VDecayChannel* mode; 90 G4VDecayChannel* mode;
76 G4String daughterH; << 91 //
77 if (iIso3 == +1) { << 92 G4String daughterH;
78 daughterH = "xi0"; << 93 if (iIso3== +1) {
79 } << 94 daughterH = "xi0";
80 else if (iIso3 == -1) { << 95 } else if (iIso3==-1) {
81 daughterH = "xi-"; << 96 daughterH = "xi-";
82 } << 97 }
83 if (fAnti) daughterH = "anti_" + daughterH; 98 if (fAnti) daughterH = "anti_" + daughterH;
84 99
85 // create decay channel [parent BR # 100 // create decay channel [parent BR #daughters]
86 mode = new G4PhaseSpaceDecayChannel(namePare << 101 mode = new G4PhaseSpaceDecayChannel(nameParent, br, 2,
>> 102 daughterH,"gamma");
87 // add decay table 103 // add decay table
88 decayTable->Insert(mode); 104 decayTable->Insert(mode);
89 105
90 return decayTable; 106 return decayTable;
91 } 107 }
92 108
93 G4DecayTable* G4ExcitedXiConstructor::AddLambd << 109 G4DecayTable* G4ExcitedXiConstructor::AddLambdaKMode(
94 << 110 G4DecayTable* decayTable, const G4String& nameParent,
95 << 111 G4double br, G4int iIso3, G4bool fAnti)
>> 112
96 113
97 { 114 {
98 G4VDecayChannel* mode; 115 G4VDecayChannel* mode;
99 116
100 G4String lambda = "lambda"; 117 G4String lambda = "lambda";
101 G4String daughterK; 118 G4String daughterK;
102 G4double r = 0.; 119 G4double r = 0.;
103 120
104 // ------------ Lambda K- ------------ << 121 // ------------ Lambda K- ------------
105 // determine daughters 122 // determine daughters
106 if (iIso3 == +1) { 123 if (iIso3 == +1) {
107 if (!fAnti) { 124 if (!fAnti) {
108 daughterK = "kaon0"; 125 daughterK = "kaon0";
109 } << 126 } else {
110 else { <<
111 daughterK = "anti_kaon0"; 127 daughterK = "anti_kaon0";
112 } << 128 }
113 r = br; 129 r = br;
114 } << 130 } else if (iIso3 == -1) {
115 else if (iIso3 == -1) { <<
116 if (!fAnti) { 131 if (!fAnti) {
117 daughterK = "kaon-"; 132 daughterK = "kaon-";
118 } << 133 } else {
119 else { <<
120 daughterK = "kaon+"; 134 daughterK = "kaon+";
121 } << 135 }
122 r = br; 136 r = br;
123 } 137 }
124 if (fAnti) lambda = "anti_" + lambda; 138 if (fAnti) lambda = "anti_" + lambda;
125 if (r > 0.) { << 139 if (r>0.) {
126 // create decay channel [parent BR 140 // create decay channel [parent BR #daughters]
127 mode = new G4PhaseSpaceDecayChannel(namePa << 141 mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2,
>> 142 lambda,daughterK);
128 // add decay table 143 // add decay table
129 decayTable->Insert(mode); 144 decayTable->Insert(mode);
130 } 145 }
131 146
132 return decayTable; 147 return decayTable;
133 } 148 }
134 149
135 G4DecayTable* G4ExcitedXiConstructor::AddSigma << 150 G4DecayTable* G4ExcitedXiConstructor::AddSigmaKMode(
136 << 151 G4DecayTable* decayTable, const G4String& nameParent,
137 << 152 G4double br, G4int iIso3, G4bool fAnti)
138 { 153 {
139 G4VDecayChannel* mode; 154 G4VDecayChannel* mode;
140 155
141 G4String daughterH; 156 G4String daughterH;
142 G4String daughterK; 157 G4String daughterK;
143 G4double r = 0.; 158 G4double r = 0.;
144 159
145 // ------------ Sigma K- ------------ << 160 // ------------ Sigma K- ------------
146 // determine daughters 161 // determine daughters
147 if (iIso3 == +1) { << 162 if (iIso3== +1) {
148 daughterH = "sigma+"; << 163 daughterH = "sigma+";
149 r = br / 2.; << 164 r= br/2.;
150 } << 165 } else if (iIso3== -1) {
151 else if (iIso3 == -1) { << 166 daughterH = "sigma0";
152 daughterH = "sigma0"; << 167 r = br/2.;
153 r = br / 2.; <<
154 } 168 }
155 if (!fAnti) { 169 if (!fAnti) {
156 daughterK = "kaon-"; 170 daughterK = "kaon-";
157 } << 171 } else {
158 else { <<
159 daughterK = "kaon+"; 172 daughterK = "kaon+";
160 } 173 }
161 if (fAnti) daughterH = "anti_" + daughterH; 174 if (fAnti) daughterH = "anti_" + daughterH;
162 if (r > 0.) { << 175 if (r>0.) {
163 // create decay channel [parent BR 176 // create decay channel [parent BR #daughters]
164 mode = new G4PhaseSpaceDecayChannel(namePa << 177 mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2,
>> 178 daughterH,daughterK);
165 // add decay table 179 // add decay table
166 decayTable->Insert(mode); 180 decayTable->Insert(mode);
167 } 181 }
168 182
169 // ------------ Sigma K0 ------------ << 183 // ------------ Sigma K0 ------------
170 // determine daughters 184 // determine daughters
171 if (iIso3 == +1) { 185 if (iIso3 == +1) {
172 daughterH = "sigma0"; << 186 daughterH = "sigma0";
173 r = br / 2.; << 187 r= br/2.;
174 } << 188 } else if (iIso3 == -1) {
175 else if (iIso3 == -1) { << 189 daughterH = "sigma-";
176 daughterH = "sigma-"; << 190 r = br/2.;
177 r = br / 2.; <<
178 } 191 }
179 if (!fAnti) { 192 if (!fAnti) {
180 daughterK = "anti_kaon0"; 193 daughterK = "anti_kaon0";
181 } << 194 } else {
182 else { <<
183 daughterK = "kaon0"; 195 daughterK = "kaon0";
184 } 196 }
185 if (fAnti) daughterH = "anti_" + daughterH; 197 if (fAnti) daughterH = "anti_" + daughterH;
186 if (r > 0.) { << 198 if (r>0.) {
187 // create decay channel [parent BR 199 // create decay channel [parent BR #daughters]
188 mode = new G4PhaseSpaceDecayChannel(namePa << 200 mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2,
>> 201 daughterH,daughterK);
189 // add decay table 202 // add decay table
190 decayTable->Insert(mode); 203 decayTable->Insert(mode);
191 } 204 }
192 205
193 return decayTable; 206 return decayTable;
194 } 207 }
195 208
196 G4DecayTable* G4ExcitedXiConstructor::AddXiPiM << 209 G4DecayTable* G4ExcitedXiConstructor::AddXiPiMode(
197 << 210 G4DecayTable* decayTable, const G4String& nameParent,
198 << 211 G4double br, G4int iIso3, G4bool fAnti)
199 { 212 {
200 G4VDecayChannel* mode; 213 G4VDecayChannel* mode;
201 214
202 G4String daughterXi; 215 G4String daughterXi;
203 G4String daughterPi; 216 G4String daughterPi;
204 G4double r = 0.; 217 G4double r = 0.;
205 218
206 // ------------ Xi pi- ------------ << 219 // ------------ Xi pi- ------------
207 // determine daughters 220 // determine daughters
208 if (iIso3 == +1) { << 221 if (iIso3== +1) {
209 r = 0.; 222 r = 0.;
210 } << 223 } else if (iIso3 == -1) {
211 else if (iIso3 == -1) { <<
212 daughterXi = "xi0"; 224 daughterXi = "xi0";
213 r = br / 2.; << 225 r = br/2.;
214 } 226 }
215 if (!fAnti) { 227 if (!fAnti) {
216 daughterPi = "pi-"; 228 daughterPi = "pi-";
217 } << 229 } else {
218 else { <<
219 daughterPi = "pi+"; 230 daughterPi = "pi+";
220 } 231 }
221 if (fAnti) daughterXi = "anti_" + daughterXi 232 if (fAnti) daughterXi = "anti_" + daughterXi;
222 if (r > 0.) { << 233 if (r>0.) {
223 // create decay channel [parent BR 234 // create decay channel [parent BR #daughters]
224 mode = new G4PhaseSpaceDecayChannel(namePa << 235 mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2,
>> 236 daughterXi,daughterPi);
225 // add decay table 237 // add decay table
226 decayTable->Insert(mode); 238 decayTable->Insert(mode);
227 } 239 }
228 // ------------ Xi Pi0 ------------ << 240 // ------------ Xi Pi0 ------------
229 // determine daughters 241 // determine daughters
230 if (iIso3 == +1) { << 242 if (iIso3== +1) {
231 daughterXi = "xi0"; 243 daughterXi = "xi0";
232 r = br / 2.; << 244 r = br/2.;
233 } << 245 } else if (iIso3 == -1) {
234 else if (iIso3 == -1) { <<
235 daughterXi = "xi-"; 246 daughterXi = "xi-";
236 r = br / 2.; << 247 r = br/2.;
237 } 248 }
238 daughterPi = "pi0"; 249 daughterPi = "pi0";
239 if (fAnti) daughterXi = "anti_" + daughterXi 250 if (fAnti) daughterXi = "anti_" + daughterXi;
240 if (r > 0.) { << 251 if (r>0.) {
241 // create decay channel [parent BR 252 // create decay channel [parent BR #daughters]
242 mode = new G4PhaseSpaceDecayChannel(namePa << 253 mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2,
>> 254 daughterXi,daughterPi);
243 // add decay table 255 // add decay table
244 decayTable->Insert(mode); 256 decayTable->Insert(mode);
245 } 257 }
246 258
247 // ------------ XI pi + ------------ << 259 // ------------ XI pi + ------------
248 // determine daughters 260 // determine daughters
249 if (iIso3 == +1) { << 261 if (iIso3== +1) {
250 daughterXi = "xi-"; 262 daughterXi = "xi-";
251 r = br / 2.; << 263 r = br/2.;
252 } << 264 } else if (iIso3==-1) {
253 else if (iIso3 == -1) { <<
254 r = 0.; 265 r = 0.;
255 } 266 }
256 if (!fAnti) { 267 if (!fAnti) {
257 daughterPi = "pi+"; 268 daughterPi = "pi+";
258 } << 269 } else {
259 else { <<
260 daughterPi = "pi-"; 270 daughterPi = "pi-";
261 } 271 }
262 if (fAnti) daughterXi = "anti_" + daughterXi 272 if (fAnti) daughterXi = "anti_" + daughterXi;
263 if (r > 0.) { << 273 if (r>0.) {
264 // create decay channel [parent BR 274 // create decay channel [parent BR #daughters]
265 mode = new G4PhaseSpaceDecayChannel(namePa << 275 mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2,
>> 276 daughterXi,daughterPi);
266 // add decay table 277 // add decay table
267 decayTable->Insert(mode); 278 decayTable->Insert(mode);
268 } 279 }
269 280
270 return decayTable; 281 return decayTable;
271 } 282 }
272 283
273 G4double G4ExcitedXiConstructor::GetMass(G4int 284 G4double G4ExcitedXiConstructor::GetMass(G4int iState, G4int iso3)
274 { << 285 {
275 G4double fm = mass[iState]; 286 G4double fm = mass[iState];
276 if (iState == 0) { << 287 if ( iState==0 ) {
277 if (iso3 == -1) fm = 1.5350 * GeV; // xi- << 288 if (iso3== -1) fm = 1.5350*GeV; // xi-
278 } 289 }
279 return fm; 290 return fm;
280 } 291 }
281 292
282 G4double G4ExcitedXiConstructor::GetWidth(G4in 293 G4double G4ExcitedXiConstructor::GetWidth(G4int iState, G4int iso3)
283 { 294 {
284 G4double fw = width[iState]; 295 G4double fw = width[iState];
285 if (iState == 0) { << 296 if ( iState==0 ) {
286 if (iso3 == -1) fw = 9.9 * MeV; // xi- << 297 if (iso3== -1) fw = 9.9*MeV; // xi-
287 } 298 }
288 return fw; 299 return fw;
289 } 300 }
290 301
291 // clang-format off <<
292 <<
293 const char* G4ExcitedXiConstructor::name[] = { 302 const char* G4ExcitedXiConstructor::name[] = {
294 "xi(1530)", "xi(1690)", "xi(1820)", "xi(195 303 "xi(1530)", "xi(1690)", "xi(1820)", "xi(1950)", "xi(2030)"
295 }; 304 };
296 305
297 const G4double G4ExcitedXiConstructor::mass[] 306 const G4double G4ExcitedXiConstructor::mass[] = {
298 1.5318*GeV, 1.690*GeV, 1.823*GeV, 1.950*GeV, << 307 1.5318*GeV, 1.690*GeV, 1.823*GeV, 1.950*GeV, 2.025*GeV
299 }; 308 };
300 309
301 const G4double G4ExcitedXiConstructor::width[] 310 const G4double G4ExcitedXiConstructor::width[] = {
302 9.1*MeV, 20.0*MeV, 24.0*MeV, 60.0*MeV, << 311 9.1*MeV, 50.0*MeV, 24.0*MeV, 60.0*MeV, 20.0*MeV
303 }; 312 };
304 313
305 const G4int G4ExcitedXiConstructor::iSpin[] = 314 const G4int G4ExcitedXiConstructor::iSpin[] = {
306 3, 3, 3, 3, 5 315 3, 3, 3, 3, 5
307 }; 316 };
308 317
309 const G4int G4ExcitedXiConstructor::iParity[] 318 const G4int G4ExcitedXiConstructor::iParity[] = {
310 +1, +1, -1, -1, +1 319 +1, +1, -1, -1, +1
311 }; 320 };
312 321
313 322
314 const G4int G4ExcitedXiConstructor::encodingOf 323 const G4int G4ExcitedXiConstructor::encodingOffset[] = {
315 0, 20000, 10000, 30000, 10000 324 0, 20000, 10000, 30000, 10000
316 }; 325 };
317 326
318 const G4double G4ExcitedXiConstructor::bRatio[ << 327 const G4double G4ExcitedXiConstructor::bRatio[ G4ExcitedXiConstructor::NStates ][ G4ExcitedXiConstructor::NumberOfDecayModes] =
319 { 328 {
320 { 0.98, 0.02, 0.0, 0.0}, << 329 { 0.98, 0.02, 0.0, 0.0},
321 { 0.10, 0.0, 0.70, 0.20}, << 330 { 0.10, 0.0, 0.70, 0.20},
322 { 0.15, 0.0, 0.70, 0.15}, << 331 { 0.15, 0.0, 0.70, 0.15},
323 { 0.25, 0.0, 0.50, 0.25}, << 332 { 0.25, 0.0, 0.50, 0.25},
324 { 0.10, 0.0, 0.20, 0.70} 333 { 0.10, 0.0, 0.20, 0.70}
325 }; 334 };
>> 335
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>> 337
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>> 339
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>> 341
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>> 344
>> 345
326 346