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 | // $Id: G4ExcitedDeltaConstructor.cc,v 1.12 2008/09/18 08:37:27 kurasige Exp $ |
---|
28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
---|
29 | // |
---|
30 | // |
---|
31 | // -------------------------------------------------------------- |
---|
32 | // GEANT 4 class implementation file |
---|
33 | // |
---|
34 | // History: first implementation, based on object model of |
---|
35 | // 10 oct 1998 H.Kurashige |
---|
36 | // --------------------------------------------------------------- |
---|
37 | |
---|
38 | |
---|
39 | #include "G4ExcitedDeltaConstructor.hh" |
---|
40 | |
---|
41 | #include "G4ParticleDefinition.hh" |
---|
42 | #include "G4ParticleTable.hh" |
---|
43 | #include "G4ShortLivedTable.hh" |
---|
44 | #include "G4PhaseSpaceDecayChannel.hh" |
---|
45 | #include "G4VDecayChannel.hh" |
---|
46 | #include "G4DecayTable.hh" |
---|
47 | |
---|
48 | |
---|
49 | G4ExcitedDeltaConstructor::G4ExcitedDeltaConstructor(): |
---|
50 | G4ExcitedBaryonConstructor(NStates, DeltaIsoSpin) |
---|
51 | { |
---|
52 | |
---|
53 | } |
---|
54 | |
---|
55 | G4ExcitedDeltaConstructor::~G4ExcitedDeltaConstructor() |
---|
56 | { |
---|
57 | } |
---|
58 | |
---|
59 | G4int G4ExcitedDeltaConstructor::GetEncoding(G4int iIsoSpin3, G4int idxState) |
---|
60 | { |
---|
61 | G4int encoding; |
---|
62 | // Delta has exceptinal encoding |
---|
63 | if ((idxState==1)||(idxState==3)||(idxState==4)||(idxState==5)||(idxState==7)) { |
---|
64 | encoding = GetEncodingOffset(idxState); |
---|
65 | if ((iIsoSpin3==3)||(iIsoSpin3==-3)) { |
---|
66 | // normal encoding |
---|
67 | encoding += 1000*GetQuarkContents(0, iIsoSpin3); |
---|
68 | encoding += 100*GetQuarkContents(1, iIsoSpin3); |
---|
69 | encoding += 10*GetQuarkContents(2, iIsoSpin3); |
---|
70 | } else if (iIsoSpin3== +1){ |
---|
71 | // 1st <--> 2nd quark |
---|
72 | encoding += 1000*GetQuarkContents(0, iIsoSpin3); |
---|
73 | encoding += 10*GetQuarkContents(1, iIsoSpin3); |
---|
74 | encoding += 100*GetQuarkContents(2, iIsoSpin3); |
---|
75 | } else if (iIsoSpin3== -1){ |
---|
76 | // 1st <--> 0th quark |
---|
77 | encoding += 100*GetQuarkContents(0, iIsoSpin3); |
---|
78 | encoding += 1000*GetQuarkContents(1, iIsoSpin3); |
---|
79 | encoding += 10*GetQuarkContents(2, iIsoSpin3); |
---|
80 | } |
---|
81 | encoding += GetiSpin(idxState) +1; |
---|
82 | } else { |
---|
83 | encoding = G4ExcitedBaryonConstructor::GetEncoding(iIsoSpin3, idxState); |
---|
84 | } |
---|
85 | return encoding; |
---|
86 | } |
---|
87 | G4DecayTable* G4ExcitedDeltaConstructor::CreateDecayTable( |
---|
88 | const G4String& parentName, |
---|
89 | G4int iIso3, |
---|
90 | G4int iState, |
---|
91 | G4bool fAnti) |
---|
92 | { |
---|
93 | // create decay table |
---|
94 | G4DecayTable* decayTable = new G4DecayTable(); |
---|
95 | |
---|
96 | G4double br; |
---|
97 | if ( (br=bRatio[iState][NGamma]) >0.0) { |
---|
98 | AddNGammaMode( decayTable, parentName, br, iIso3, fAnti); |
---|
99 | } |
---|
100 | |
---|
101 | if ( (br=bRatio[iState][NPi]) >0.0) { |
---|
102 | AddNPiMode( decayTable, parentName, br, iIso3, fAnti); |
---|
103 | } |
---|
104 | |
---|
105 | if ( (br=bRatio[iState][NRho]) >0.0) { |
---|
106 | AddNRhoMode( decayTable, parentName, br, iIso3, fAnti); |
---|
107 | } |
---|
108 | |
---|
109 | if ( (br=bRatio[iState][DeltaPi]) >0.0) { |
---|
110 | AddDeltaPiMode( decayTable, parentName, br, iIso3, fAnti); |
---|
111 | } |
---|
112 | |
---|
113 | if ( (br=bRatio[iState][NStarPi]) >0.0) { |
---|
114 | AddNStarPiMode( decayTable, parentName, br, iIso3, fAnti); |
---|
115 | } |
---|
116 | |
---|
117 | return decayTable; |
---|
118 | } |
---|
119 | |
---|
120 | G4DecayTable* G4ExcitedDeltaConstructor::AddNGammaMode( |
---|
121 | G4DecayTable* decayTable, const G4String& nameParent, |
---|
122 | G4double br, G4int iIso3, G4bool fAnti) |
---|
123 | { |
---|
124 | G4VDecayChannel* mode; |
---|
125 | |
---|
126 | // |
---|
127 | G4String daughterN; |
---|
128 | if (iIso3 == +1) { |
---|
129 | daughterN = "proton"; |
---|
130 | } else if (iIso3 == -1) { |
---|
131 | daughterN = "neutron"; |
---|
132 | } else { |
---|
133 | // can not decay into N+gamma |
---|
134 | return decayTable; |
---|
135 | } |
---|
136 | |
---|
137 | if (fAnti) daughterN = "anti_" + daughterN; |
---|
138 | |
---|
139 | // create decay channel [parent BR #daughters] |
---|
140 | mode = new G4PhaseSpaceDecayChannel(nameParent, br, 2, |
---|
141 | daughterN,"gamma"); |
---|
142 | // add decay table |
---|
143 | decayTable->Insert(mode); |
---|
144 | |
---|
145 | return decayTable; |
---|
146 | } |
---|
147 | |
---|
148 | G4DecayTable* G4ExcitedDeltaConstructor::AddNPiMode( |
---|
149 | G4DecayTable* decayTable, const G4String& nameParent, |
---|
150 | G4double br, G4int iIso3, G4bool fAnti) |
---|
151 | { |
---|
152 | G4VDecayChannel* mode; |
---|
153 | |
---|
154 | G4String daughterN; |
---|
155 | G4String daughterPi; |
---|
156 | G4double r = 0.; |
---|
157 | |
---|
158 | // ------------ N pi0 ------------ |
---|
159 | // determine daughters |
---|
160 | if ((iIso3 == +1)||(iIso3 == -1)) { |
---|
161 | if (iIso3 == +1) { |
---|
162 | daughterN = "proton"; |
---|
163 | daughterPi = "pi0"; |
---|
164 | r = br*2./3.; |
---|
165 | } else if (iIso3 == -1) { |
---|
166 | daughterN = "neutron"; |
---|
167 | daughterPi = "pi0"; |
---|
168 | r = br/3.; |
---|
169 | } |
---|
170 | if (fAnti) daughterN = "anti_" + daughterN; |
---|
171 | // create decay channel [parent BR #daughters] |
---|
172 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
---|
173 | daughterN,daughterPi); |
---|
174 | // add decay table |
---|
175 | decayTable->Insert(mode); |
---|
176 | } |
---|
177 | |
---|
178 | // -------------N pi +/- -------------- |
---|
179 | // determine daughters |
---|
180 | if (iIso3 == +3) { |
---|
181 | daughterN = "proton"; |
---|
182 | if (!fAnti) { |
---|
183 | daughterPi = "pi+"; |
---|
184 | } else { |
---|
185 | daughterPi = "pi-"; |
---|
186 | } |
---|
187 | r = br; |
---|
188 | } else if (iIso3 == +1) { |
---|
189 | daughterN = "neutron"; |
---|
190 | if (!fAnti) { |
---|
191 | daughterPi = "pi+"; |
---|
192 | } else { |
---|
193 | daughterPi = "pi-"; |
---|
194 | } |
---|
195 | r = br/3.; |
---|
196 | } else if (iIso3 == -1) { |
---|
197 | daughterN = "proton"; |
---|
198 | if (!fAnti) { |
---|
199 | daughterPi = "pi-"; |
---|
200 | } else { |
---|
201 | daughterPi = "pi+"; |
---|
202 | } |
---|
203 | r = br*2./3.; |
---|
204 | } else if (iIso3 == -3) { |
---|
205 | daughterN = "neutron"; |
---|
206 | if (!fAnti) { |
---|
207 | daughterPi = "pi-"; |
---|
208 | } else { |
---|
209 | daughterPi = "pi+"; |
---|
210 | } |
---|
211 | r = br; |
---|
212 | } |
---|
213 | if (fAnti) daughterN = "anti_" + daughterN; |
---|
214 | |
---|
215 | // create decay channel [parent BR #daughters] |
---|
216 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
---|
217 | daughterN,daughterPi); |
---|
218 | // add decay table |
---|
219 | decayTable->Insert(mode); |
---|
220 | |
---|
221 | return decayTable; |
---|
222 | } |
---|
223 | |
---|
224 | |
---|
225 | G4DecayTable* G4ExcitedDeltaConstructor::AddNRhoMode( |
---|
226 | G4DecayTable* decayTable, const G4String& nameParent, |
---|
227 | G4double br, G4int iIso3, G4bool fAnti) |
---|
228 | { |
---|
229 | G4VDecayChannel* mode; |
---|
230 | |
---|
231 | G4String daughterN; |
---|
232 | G4String daughterRho; |
---|
233 | G4double r = 0.; |
---|
234 | |
---|
235 | // ------------ N Rho0 ------------ |
---|
236 | // determine daughters |
---|
237 | if ((iIso3 == +1)||(iIso3 == -1)) { |
---|
238 | if (iIso3 == +1) { |
---|
239 | daughterN = "proton"; |
---|
240 | daughterRho = "rho0"; |
---|
241 | r = br*2./3.; |
---|
242 | } else if (iIso3 == -1) { |
---|
243 | daughterN = "neutron"; |
---|
244 | daughterRho = "rho0"; |
---|
245 | r = br/3.; |
---|
246 | } |
---|
247 | if (fAnti) daughterN = "anti_" + daughterN; |
---|
248 | // create decay channel [parent BR #daughters] |
---|
249 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
---|
250 | daughterN,daughterRho); |
---|
251 | // add decay table |
---|
252 | decayTable->Insert(mode); |
---|
253 | } |
---|
254 | |
---|
255 | // -------------N Rho +/- -------------- |
---|
256 | // determine daughters |
---|
257 | if (iIso3 == +3) { |
---|
258 | daughterN = "proton"; |
---|
259 | if (!fAnti) { |
---|
260 | daughterRho = "rho+"; |
---|
261 | } else { |
---|
262 | daughterRho = "rho-"; |
---|
263 | } |
---|
264 | r = br; |
---|
265 | } else if (iIso3 == +1) { |
---|
266 | daughterN = "neutron"; |
---|
267 | if (!fAnti) { |
---|
268 | daughterRho = "rho+"; |
---|
269 | } else { |
---|
270 | daughterRho = "rho-"; |
---|
271 | } |
---|
272 | r = br/3.; |
---|
273 | } else if (iIso3 == -1) { |
---|
274 | daughterN = "proton"; |
---|
275 | if (!fAnti) { |
---|
276 | daughterRho = "rho-"; |
---|
277 | } else { |
---|
278 | daughterRho = "rho+"; |
---|
279 | } |
---|
280 | r = br*2./3.; |
---|
281 | } else if (iIso3 == -3) { |
---|
282 | daughterN = "neutron"; |
---|
283 | if (!fAnti) { |
---|
284 | daughterRho = "rho-"; |
---|
285 | } else { |
---|
286 | daughterRho = "rho+"; |
---|
287 | } |
---|
288 | r = br; |
---|
289 | } |
---|
290 | if (fAnti) daughterN = "anti_" + daughterN; |
---|
291 | |
---|
292 | // create decay channel [parent BR #daughters] |
---|
293 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
---|
294 | daughterN,daughterRho); |
---|
295 | // add decay table |
---|
296 | decayTable->Insert(mode); |
---|
297 | |
---|
298 | return decayTable; |
---|
299 | } |
---|
300 | |
---|
301 | G4DecayTable* G4ExcitedDeltaConstructor::AddNStarPiMode( |
---|
302 | G4DecayTable* decayTable, const G4String& nameParent, |
---|
303 | G4double br, G4int iIso3, G4bool fAnti) |
---|
304 | { |
---|
305 | G4VDecayChannel* mode; |
---|
306 | |
---|
307 | G4String daughterN; |
---|
308 | G4String daughterPi; |
---|
309 | G4double r = 0.; |
---|
310 | |
---|
311 | // ------------ N pi0 ------------ |
---|
312 | // determine daughters |
---|
313 | if ((iIso3 == +1)||(iIso3 == -1)) { |
---|
314 | if (iIso3 == +1) { |
---|
315 | daughterN = "N(1440)+"; |
---|
316 | daughterPi = "pi0"; |
---|
317 | r = br*2./3.; |
---|
318 | } else if (iIso3 == -1) { |
---|
319 | daughterN = "N(1440)0"; |
---|
320 | daughterPi = "pi0"; |
---|
321 | r = br/3.; |
---|
322 | } |
---|
323 | if (fAnti) daughterN = "anti_" + daughterN; |
---|
324 | // create decay channel [parent BR #daughters] |
---|
325 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
---|
326 | daughterN,daughterPi); |
---|
327 | // add decay table |
---|
328 | decayTable->Insert(mode); |
---|
329 | } |
---|
330 | |
---|
331 | // -------------N pi +/- -------------- |
---|
332 | // determine daughters |
---|
333 | if (iIso3 == +3) { |
---|
334 | daughterN = "N(1440)+"; |
---|
335 | if (!fAnti) { |
---|
336 | daughterPi = "pi+"; |
---|
337 | } else { |
---|
338 | daughterPi = "pi-"; |
---|
339 | } |
---|
340 | r = br; |
---|
341 | } else if (iIso3 == +1) { |
---|
342 | daughterN = "N(1440)0"; |
---|
343 | if (!fAnti) { |
---|
344 | daughterPi = "pi+"; |
---|
345 | } else { |
---|
346 | daughterPi = "pi-"; |
---|
347 | } |
---|
348 | r = br/3.; |
---|
349 | } else if (iIso3 == -1) { |
---|
350 | daughterN = "N(1440)+"; |
---|
351 | if (!fAnti) { |
---|
352 | daughterPi = "pi-"; |
---|
353 | } else { |
---|
354 | daughterPi = "pi+"; |
---|
355 | } |
---|
356 | r = br*2./3.; |
---|
357 | } else if (iIso3 == -3) { |
---|
358 | daughterN = "N(1440)0"; |
---|
359 | if (!fAnti) { |
---|
360 | daughterPi = "pi-"; |
---|
361 | } else { |
---|
362 | daughterPi = "pi+"; |
---|
363 | } |
---|
364 | r = br; |
---|
365 | } |
---|
366 | if (fAnti) daughterN = "anti_" + daughterN; |
---|
367 | |
---|
368 | // create decay channel [parent BR #daughters] |
---|
369 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
---|
370 | daughterN,daughterPi); |
---|
371 | // add decay table |
---|
372 | decayTable->Insert(mode); |
---|
373 | |
---|
374 | return decayTable; |
---|
375 | } |
---|
376 | |
---|
377 | G4DecayTable* G4ExcitedDeltaConstructor::AddDeltaPiMode( |
---|
378 | G4DecayTable* decayTable, const G4String& nameParent, |
---|
379 | G4double br, G4int iIso3, G4bool fAnti) |
---|
380 | { |
---|
381 | G4VDecayChannel* mode; |
---|
382 | |
---|
383 | G4String daughterDelta; |
---|
384 | G4String daughterPi; |
---|
385 | G4double r; |
---|
386 | |
---|
387 | // ------------ Delta pi +------------ |
---|
388 | // determine daughters |
---|
389 | if (iIso3 == +3) { |
---|
390 | daughterDelta = "delta+"; |
---|
391 | r = br*0.4; |
---|
392 | } else if (iIso3 == +1) { |
---|
393 | daughterDelta = "delta0"; |
---|
394 | r = br*8./15.0; |
---|
395 | } else if (iIso3 == -1) { |
---|
396 | daughterDelta = "delta-"; |
---|
397 | r = br*6./15.; |
---|
398 | } else { |
---|
399 | r = 0.; |
---|
400 | } |
---|
401 | if (!fAnti) { |
---|
402 | daughterPi = "pi+"; |
---|
403 | } else { |
---|
404 | daughterPi = "pi-"; |
---|
405 | } |
---|
406 | if (fAnti) daughterDelta = "anti_" + daughterDelta; |
---|
407 | if (r>0.0) { |
---|
408 | // create decay channel [parent BR #daughters] |
---|
409 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
---|
410 | daughterDelta,daughterPi); |
---|
411 | // add decay table |
---|
412 | decayTable->Insert(mode); |
---|
413 | } |
---|
414 | |
---|
415 | // ------------ Delta pi0 ------------ |
---|
416 | // determine daughters |
---|
417 | if (iIso3 == +3) { |
---|
418 | daughterDelta = "delta++"; |
---|
419 | r = br*0.6; |
---|
420 | } else if (iIso3 == +1) { |
---|
421 | daughterDelta = "delta+"; |
---|
422 | r = br*1./15.0; |
---|
423 | } else if (iIso3 == -1) { |
---|
424 | daughterDelta = "delta0"; |
---|
425 | r = br*1./15.; |
---|
426 | } else { |
---|
427 | daughterDelta = "delta-"; |
---|
428 | r = br*0.6; |
---|
429 | } |
---|
430 | daughterPi = "pi0"; |
---|
431 | if (fAnti) daughterDelta = "anti_" + daughterDelta; |
---|
432 | |
---|
433 | // create decay channel [parent BR #daughters] |
---|
434 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
---|
435 | daughterDelta,daughterPi); |
---|
436 | // add decay table |
---|
437 | decayTable->Insert(mode); |
---|
438 | |
---|
439 | // ------------ Delta pi - ------------- |
---|
440 | // determine daughters |
---|
441 | if (iIso3 == +3) { |
---|
442 | r= 0.; |
---|
443 | } else if (iIso3 == +1) { |
---|
444 | daughterDelta = "delta++"; |
---|
445 | r = br*6./15.0; |
---|
446 | } else if (iIso3 == -1) { |
---|
447 | daughterDelta = "delta+"; |
---|
448 | r = br*8./15.; |
---|
449 | } else { |
---|
450 | daughterDelta = "delta0"; |
---|
451 | r = br*0.4; |
---|
452 | } |
---|
453 | if (!fAnti) { |
---|
454 | daughterPi = "pi-"; |
---|
455 | } else { |
---|
456 | daughterPi = "pi+"; |
---|
457 | } |
---|
458 | if (fAnti) daughterDelta = "anti_" + daughterDelta; |
---|
459 | if (r>0.0) { |
---|
460 | // create decay channel [parent BR #daughters] |
---|
461 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
---|
462 | daughterDelta,daughterPi); |
---|
463 | // add decay table |
---|
464 | decayTable->Insert(mode); |
---|
465 | } |
---|
466 | |
---|
467 | return decayTable; |
---|
468 | } |
---|
469 | |
---|
470 | const char* G4ExcitedDeltaConstructor::name[] = |
---|
471 | { |
---|
472 | "delta(1600)", "delta(1620)", "delta(1700)", "delta(1900)", "delta(1905)", |
---|
473 | "delta(1910)", "delta(1920)", "delta(1930)", "delta(1950)" |
---|
474 | }; |
---|
475 | |
---|
476 | const G4double G4ExcitedDeltaConstructor::mass[] = |
---|
477 | { |
---|
478 | 1.600*GeV, 1.630*GeV, 1.700*GeV, 1.900*GeV, 1.890*GeV, |
---|
479 | 1.910*GeV, 1.920*GeV, 1.960*GeV, 1.930*GeV |
---|
480 | }; |
---|
481 | |
---|
482 | const G4double G4ExcitedDeltaConstructor::width[] = { |
---|
483 | 350.0*MeV, 145.0*MeV, 300.0*MeV, 200.0*MeV, 330.0*MeV, |
---|
484 | 250.0*MeV, 200.0*MeV, 360.0*MeV, 290.0*MeV |
---|
485 | }; |
---|
486 | |
---|
487 | const G4int G4ExcitedDeltaConstructor::iSpin[] = |
---|
488 | { |
---|
489 | 3, 1, 3, 1, 5, |
---|
490 | 1, 3, 5, 7 |
---|
491 | }; |
---|
492 | |
---|
493 | const G4int G4ExcitedDeltaConstructor::iParity[] = { |
---|
494 | +1, -1, -1, -1, +1, |
---|
495 | +1, +1, -1, +1 |
---|
496 | }; |
---|
497 | |
---|
498 | const G4int G4ExcitedDeltaConstructor::encodingOffset[] = { |
---|
499 | 30000, 0, 10000, 10000, 0, |
---|
500 | 20000, 20000, 10000, 0 |
---|
501 | }; |
---|
502 | |
---|
503 | const G4double G4ExcitedDeltaConstructor::bRatio[ G4ExcitedDeltaConstructor::NStates ][ G4ExcitedDeltaConstructor::NumberOfDecayModes] = |
---|
504 | { |
---|
505 | // NGamma Npi NRho DeltaPi N*Pi |
---|
506 | { 0.0, 0.15, 0.0, 0.55, 0.30 }, |
---|
507 | { 0.0, 0.25, 0.0, 0.60, 0.15 }, |
---|
508 | { 0.0, 0.20, 0.10, 0.55, 0.15 }, |
---|
509 | { 0.0, 0.30, 0.15, 0.30, 0.25 }, |
---|
510 | { 0.0, 0.20, 0.60, 0.10, 0.10 }, |
---|
511 | { 0.0, 0.35, 0.40, 0.15, 0.10 }, |
---|
512 | { 0.0, 0.15, 0.30, 0.30, 0.25 }, |
---|
513 | { 0.0, 0.20, 0.25, 0.25, 0.30 }, |
---|
514 | { 0.01, 0.44, 0.15, 0.20, 0.20 } |
---|
515 | }; |
---|
516 | |
---|
517 | |
---|
518 | |
---|
519 | |
---|
520 | |
---|
521 | |
---|
522 | |
---|
523 | |
---|
524 | |
---|
525 | |
---|
526 | |
---|
527 | |
---|
528 | |
---|
529 | |
---|
530 | |
---|
531 | |
---|