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 | // Hadronic Process: Light Media Charge and/or Strangeness Exchange |
---|
28 | // J.L. Chuma, TRIUMF, 21-Feb-1997 |
---|
29 | // Last modified: 13-Mar-1997 |
---|
30 | |
---|
31 | // 11-OCT-2007 F.W. Jones: fixed coding errors in inequalities for |
---|
32 | // charge exchange occurrence in PionPlusExchange, |
---|
33 | // KaonZeroShortExchange, and NeutronExchange. |
---|
34 | |
---|
35 | #include "G4LightMedia.hh" |
---|
36 | #include "Randomize.hh" |
---|
37 | |
---|
38 | G4DynamicParticle * |
---|
39 | G4LightMedia::PionPlusExchange( |
---|
40 | const G4HadProjectile *incidentParticle, |
---|
41 | const G4Nucleus & targetNucleus ) |
---|
42 | { |
---|
43 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
44 | G4ParticleDefinition* aPiZero = G4PionZero::PionZero(); |
---|
45 | |
---|
46 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
47 | |
---|
48 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
49 | |
---|
50 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
51 | |
---|
52 | // for pi+ n reactions, change some of the elastic cross section to pi0 p |
---|
53 | |
---|
54 | const G4double cech[] = {0.33,0.27,0.29,0.31,0.27,0.18,0.13,0.10,0.09,0.07}; |
---|
55 | G4int iplab = G4int(std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*5.0 )); |
---|
56 | if( G4UniformRand() < cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
57 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
58 | resultant->SetDefinition( aPiZero ); |
---|
59 | // targetParticle->SetDefinition( aProton ); |
---|
60 | delete targetParticle; |
---|
61 | return resultant; |
---|
62 | } |
---|
63 | } |
---|
64 | delete targetParticle; |
---|
65 | return (G4DynamicParticle*)NULL; |
---|
66 | } |
---|
67 | |
---|
68 | G4DynamicParticle * |
---|
69 | G4LightMedia::PionMinusExchange( |
---|
70 | const G4HadProjectile *, |
---|
71 | const G4Nucleus& ) |
---|
72 | { |
---|
73 | return (G4DynamicParticle*)NULL; |
---|
74 | } |
---|
75 | |
---|
76 | G4DynamicParticle * |
---|
77 | G4LightMedia::KaonPlusExchange( |
---|
78 | const G4HadProjectile *incidentParticle, |
---|
79 | const G4Nucleus& targetNucleus ) |
---|
80 | { |
---|
81 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
82 | G4ParticleDefinition* aKaonZS = G4KaonZeroShort::KaonZeroShort(); |
---|
83 | G4ParticleDefinition* aKaonZL = G4KaonZeroLong::KaonZeroLong(); |
---|
84 | |
---|
85 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
86 | |
---|
87 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
88 | |
---|
89 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
90 | |
---|
91 | // for k+ n reactions, change some of the elastic cross section to k0 p |
---|
92 | |
---|
93 | const G4double cech[] = {0.33,0.27,0.29,0.31,0.27,0.18,0.13,0.10,0.09,0.07}; |
---|
94 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*5.0 ) ); |
---|
95 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
96 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
97 | if( G4UniformRand() < 0.5 ) |
---|
98 | resultant->SetDefinition( aKaonZS ); |
---|
99 | else |
---|
100 | resultant->SetDefinition( aKaonZL ); |
---|
101 | // targetParticle->SetDefinition( aProton ); |
---|
102 | delete targetParticle; |
---|
103 | return resultant; |
---|
104 | } |
---|
105 | } |
---|
106 | delete targetParticle; |
---|
107 | return (G4DynamicParticle*)NULL; |
---|
108 | } |
---|
109 | |
---|
110 | G4DynamicParticle * |
---|
111 | G4LightMedia::KaonZeroShortExchange( |
---|
112 | const G4HadProjectile *incidentParticle, |
---|
113 | const G4Nucleus& targetNucleus ) |
---|
114 | { |
---|
115 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
116 | G4ParticleDefinition* aKaonPlus = G4KaonPlus::KaonPlus(); |
---|
117 | G4ParticleDefinition* aKaonZL = G4KaonZeroLong::KaonZeroLong(); |
---|
118 | |
---|
119 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
120 | |
---|
121 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
122 | |
---|
123 | if( targetParticle->GetDefinition() == aProton ) { |
---|
124 | |
---|
125 | // for k0 p reactions, change some of the elastic cross section to k+ n |
---|
126 | |
---|
127 | const G4double cech[] = {0.33,0.27,0.29,0.31,0.27,0.18,0.13,0.10,0.09,0.07}; |
---|
128 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*5.0 ) ); |
---|
129 | if( G4UniformRand() < cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
130 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
131 | resultant->SetDefinition( aKaonPlus ); |
---|
132 | // targetParticle->SetDefinition( aNeutron ); |
---|
133 | delete targetParticle; |
---|
134 | return resultant; |
---|
135 | } |
---|
136 | } else { |
---|
137 | if( G4UniformRand() >= 0.5 ) { |
---|
138 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
139 | resultant->SetDefinition( aKaonZL ); |
---|
140 | delete targetParticle; |
---|
141 | return resultant; |
---|
142 | } |
---|
143 | } |
---|
144 | delete targetParticle; |
---|
145 | return (G4DynamicParticle*)NULL; |
---|
146 | } |
---|
147 | |
---|
148 | G4DynamicParticle * |
---|
149 | G4LightMedia::KaonZeroLongExchange( |
---|
150 | const G4HadProjectile *, |
---|
151 | const G4Nucleus& ) |
---|
152 | { |
---|
153 | G4ParticleDefinition* aKaonZS = G4KaonZeroShort::KaonZeroShort(); |
---|
154 | |
---|
155 | if( G4UniformRand() >= 0.5 ) { |
---|
156 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
157 | resultant->SetDefinition( aKaonZS ); |
---|
158 | return resultant; |
---|
159 | } |
---|
160 | return (G4DynamicParticle*)NULL; |
---|
161 | } |
---|
162 | |
---|
163 | G4DynamicParticle * |
---|
164 | G4LightMedia::KaonMinusExchange( |
---|
165 | const G4HadProjectile *, |
---|
166 | const G4Nucleus& ) |
---|
167 | { |
---|
168 | return (G4DynamicParticle*)NULL; |
---|
169 | } |
---|
170 | |
---|
171 | G4DynamicParticle * |
---|
172 | G4LightMedia::ProtonExchange( |
---|
173 | const G4HadProjectile *incidentParticle, |
---|
174 | const G4Nucleus& targetNucleus ) |
---|
175 | { |
---|
176 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
177 | |
---|
178 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
179 | |
---|
180 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
181 | |
---|
182 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
183 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.}; |
---|
184 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
185 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
186 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
187 | resultant->SetDefinition( aNeutron ); |
---|
188 | // targetParticle->SetDefinition( aProton ); |
---|
189 | delete targetParticle; |
---|
190 | return resultant; |
---|
191 | } |
---|
192 | } |
---|
193 | delete targetParticle; |
---|
194 | return (G4DynamicParticle*)NULL; |
---|
195 | } |
---|
196 | |
---|
197 | G4DynamicParticle * |
---|
198 | G4LightMedia::AntiProtonExchange( |
---|
199 | const G4HadProjectile *incidentParticle, |
---|
200 | const G4Nucleus& targetNucleus ) |
---|
201 | { |
---|
202 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
203 | G4ParticleDefinition* anAntiNeutron = G4AntiNeutron::AntiNeutron(); |
---|
204 | |
---|
205 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
206 | |
---|
207 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
208 | |
---|
209 | if( targetParticle->GetDefinition() == aProton ) { |
---|
210 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.}; |
---|
211 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*10.0 ) ); |
---|
212 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.75) ) { |
---|
213 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
214 | resultant->SetDefinition( anAntiNeutron ); |
---|
215 | // targetParticle->SetDefinition( aNeutron ); |
---|
216 | delete targetParticle; |
---|
217 | return resultant; |
---|
218 | } |
---|
219 | } |
---|
220 | delete targetParticle; |
---|
221 | return (G4DynamicParticle*)NULL; |
---|
222 | } |
---|
223 | |
---|
224 | G4DynamicParticle * |
---|
225 | G4LightMedia::NeutronExchange( |
---|
226 | const G4HadProjectile *incidentParticle, |
---|
227 | const G4Nucleus& targetNucleus ) |
---|
228 | { |
---|
229 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
230 | |
---|
231 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
232 | |
---|
233 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
234 | |
---|
235 | if( targetParticle->GetDefinition() == aProton ) { |
---|
236 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.}; |
---|
237 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
238 | if( G4UniformRand() < cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
239 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
240 | resultant->SetDefinition( aProton ); |
---|
241 | // targetParticle->SetDefinition( aNeutron ); |
---|
242 | delete targetParticle; |
---|
243 | return resultant; |
---|
244 | } |
---|
245 | } |
---|
246 | delete targetParticle; |
---|
247 | return (G4DynamicParticle*)NULL; |
---|
248 | } |
---|
249 | |
---|
250 | G4DynamicParticle * |
---|
251 | G4LightMedia::AntiNeutronExchange( |
---|
252 | const G4HadProjectile *incidentParticle, |
---|
253 | const G4Nucleus& targetNucleus ) |
---|
254 | { |
---|
255 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
256 | G4ParticleDefinition* anAntiProton = G4AntiProton::AntiProton(); |
---|
257 | |
---|
258 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
259 | |
---|
260 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
261 | |
---|
262 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
263 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
264 | G4int iplab = std::min( 9, G4int( incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
265 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.75) ) { |
---|
266 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
267 | resultant->SetDefinition( anAntiProton ); |
---|
268 | // targetParticle->SetDefinition( aProton ); |
---|
269 | delete targetParticle; |
---|
270 | return resultant; |
---|
271 | } |
---|
272 | } |
---|
273 | delete targetParticle; |
---|
274 | return (G4DynamicParticle*)NULL; |
---|
275 | } |
---|
276 | |
---|
277 | G4DynamicParticle * |
---|
278 | G4LightMedia::LambdaExchange( |
---|
279 | const G4HadProjectile *incidentParticle, |
---|
280 | const G4Nucleus& targetNucleus ) |
---|
281 | { |
---|
282 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
283 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
284 | G4ParticleDefinition* aSigmaPlus = G4SigmaPlus::SigmaPlus(); |
---|
285 | G4ParticleDefinition* aSigmaMinus = G4SigmaMinus::SigmaMinus(); |
---|
286 | G4ParticleDefinition* aSigmaZero = G4SigmaZero::SigmaZero(); |
---|
287 | |
---|
288 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
289 | |
---|
290 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
291 | |
---|
292 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
293 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
294 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
295 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
296 | G4int irn = G4int( G4UniformRand()/0.2 ); |
---|
297 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
298 | |
---|
299 | // LN --> S0 N, LN --> S- P, LN --> N L, LN --> N S0, LN --> P S- |
---|
300 | |
---|
301 | switch( irn ) { |
---|
302 | case 0: |
---|
303 | resultant->SetDefinition( aSigmaZero ); |
---|
304 | break; |
---|
305 | case 1: |
---|
306 | resultant->SetDefinition( aSigmaMinus ); |
---|
307 | // targetParticle->SetDefinition( aProton ); |
---|
308 | break; |
---|
309 | case 2: |
---|
310 | resultant->SetDefinition( aNeutron ); |
---|
311 | // targetParticle->SetDefinition( aLambda ); |
---|
312 | break; |
---|
313 | case 3: |
---|
314 | resultant->SetDefinition( aNeutron ); |
---|
315 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
316 | break; |
---|
317 | default: |
---|
318 | resultant->SetDefinition( aProton ); |
---|
319 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
320 | break; |
---|
321 | } |
---|
322 | } else { // target particle is a proton |
---|
323 | |
---|
324 | // LP --> S+ N, LP --> S0 P, LP --> P L, LP --> P S0, LP --> N S+ |
---|
325 | |
---|
326 | switch( irn ) { |
---|
327 | case 0: |
---|
328 | resultant->SetDefinition( aSigmaPlus ); |
---|
329 | // targetParticle->SetDefinition( aNeutron ); |
---|
330 | break; |
---|
331 | case 1: |
---|
332 | resultant->SetDefinition( aSigmaZero ); |
---|
333 | break; |
---|
334 | case 2: |
---|
335 | resultant->SetDefinition( aProton ); |
---|
336 | // targetParticle->SetDefinition( aLambda ); |
---|
337 | break; |
---|
338 | case 3: |
---|
339 | resultant->SetDefinition( aProton ); |
---|
340 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
341 | break; |
---|
342 | default: |
---|
343 | resultant->SetDefinition( aNeutron ); |
---|
344 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
345 | break; |
---|
346 | } |
---|
347 | } |
---|
348 | delete targetParticle; |
---|
349 | return resultant; |
---|
350 | } |
---|
351 | delete targetParticle; |
---|
352 | return (G4DynamicParticle*)NULL; |
---|
353 | } |
---|
354 | |
---|
355 | G4DynamicParticle * |
---|
356 | G4LightMedia::AntiLambdaExchange( |
---|
357 | const G4HadProjectile *incidentParticle, |
---|
358 | const G4Nucleus& targetNucleus ) |
---|
359 | { |
---|
360 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
361 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
362 | G4ParticleDefinition* anAntiSigmaPlus = G4AntiSigmaPlus::AntiSigmaPlus(); |
---|
363 | G4ParticleDefinition* anAntiSigmaMinus = G4AntiSigmaMinus::AntiSigmaMinus(); |
---|
364 | G4ParticleDefinition* anAntiSigmaZero = G4AntiSigmaZero::AntiSigmaZero(); |
---|
365 | |
---|
366 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
367 | |
---|
368 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
369 | |
---|
370 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
371 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
372 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
373 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
374 | G4int irn = G4int( G4UniformRand()/0.2 ); |
---|
375 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
376 | |
---|
377 | // LB N --> S+B P, LB N --> S0B N, LB N --> N LB, |
---|
378 | // LB N --> N S0B, LB N --> P S+B |
---|
379 | |
---|
380 | switch( irn ) { |
---|
381 | case 0: |
---|
382 | resultant->SetDefinition( anAntiSigmaPlus ); |
---|
383 | // targetParticle->SetDefinition( aProton ); |
---|
384 | break; |
---|
385 | case 1: |
---|
386 | resultant->SetDefinition( anAntiSigmaZero ); |
---|
387 | break; |
---|
388 | case 2: |
---|
389 | resultant->SetDefinition( aNeutron ); |
---|
390 | // targetParticle->SetDefinition( anAntiLambda ); |
---|
391 | break; |
---|
392 | case 3: |
---|
393 | resultant->SetDefinition( aNeutron ); |
---|
394 | // targetParticle->SetDefinition( anAntiSigmaZero ); |
---|
395 | break; |
---|
396 | default: |
---|
397 | resultant->SetDefinition( aProton ); |
---|
398 | // targetParticle->SetDefinition( anAntiSigmaPlus ); |
---|
399 | break; |
---|
400 | } |
---|
401 | } else { // target particle is a proton |
---|
402 | |
---|
403 | // LB P --> S0B P, LB P --> S-B N, LB P --> P LB, |
---|
404 | // LB P --> P S0B, LB P --> N S-B |
---|
405 | |
---|
406 | switch( irn ) { |
---|
407 | case 0: |
---|
408 | resultant->SetDefinition( anAntiSigmaZero ); |
---|
409 | break; |
---|
410 | case 1: |
---|
411 | resultant->SetDefinition( anAntiSigmaMinus ); |
---|
412 | // targetParticle->SetDefinition( aNeutron ); |
---|
413 | break; |
---|
414 | case 2: |
---|
415 | resultant->SetDefinition( aProton ); |
---|
416 | // targetParticle->SetDefinition( anAntiLambda ); |
---|
417 | break; |
---|
418 | case 3: |
---|
419 | resultant->SetDefinition( aProton ); |
---|
420 | // targetParticle->SetDefinition( anAntiSigmaZero ); |
---|
421 | break; |
---|
422 | default: |
---|
423 | resultant->SetDefinition( aNeutron ); |
---|
424 | // targetParticle->SetDefinition( anAntiSigmaMinus ); |
---|
425 | break; |
---|
426 | } |
---|
427 | } |
---|
428 | delete targetParticle; |
---|
429 | return resultant; |
---|
430 | } |
---|
431 | delete targetParticle; |
---|
432 | return (G4DynamicParticle*)NULL; |
---|
433 | } |
---|
434 | |
---|
435 | G4DynamicParticle * |
---|
436 | G4LightMedia::SigmaPlusExchange( |
---|
437 | const G4HadProjectile *incidentParticle, |
---|
438 | const G4Nucleus& targetNucleus ) |
---|
439 | { |
---|
440 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
441 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
442 | G4ParticleDefinition* aLambda = G4Lambda::Lambda(); |
---|
443 | G4ParticleDefinition* aSigmaZero = G4SigmaZero::SigmaZero(); |
---|
444 | |
---|
445 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
446 | |
---|
447 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
448 | |
---|
449 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
450 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
451 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
452 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
453 | |
---|
454 | // introduce charge and strangeness exchange reactions |
---|
455 | |
---|
456 | G4int irn = G4int( G4UniformRand()/0.2 ); |
---|
457 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
458 | |
---|
459 | // S+ N --> S0 P, S+ N --> L P, S+ N --> N S+, S+ N --> P S0, S+ N --> P L |
---|
460 | |
---|
461 | switch( irn ) { |
---|
462 | case 0: |
---|
463 | resultant->SetDefinition( aSigmaZero ); |
---|
464 | // targetParticle->SetDefinition( aProton ); |
---|
465 | break; |
---|
466 | case 1: |
---|
467 | resultant->SetDefinition( aLambda ); |
---|
468 | // targetParticle->SetDefinition( aProton ); |
---|
469 | break; |
---|
470 | case 2: |
---|
471 | resultant->SetDefinition( aNeutron ); |
---|
472 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
473 | break; |
---|
474 | case 3: |
---|
475 | resultant->SetDefinition( aProton ); |
---|
476 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
477 | break; |
---|
478 | default: |
---|
479 | resultant->SetDefinition( aProton ); |
---|
480 | // targetParticle->SetDefinition( aLambda ); |
---|
481 | break; |
---|
482 | } |
---|
483 | } else { // target particle is a proton |
---|
484 | |
---|
485 | // S+ P --> P S+ |
---|
486 | |
---|
487 | resultant->SetDefinition( aProton ); |
---|
488 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
489 | } |
---|
490 | delete targetParticle; |
---|
491 | return resultant; |
---|
492 | } |
---|
493 | delete targetParticle; |
---|
494 | return (G4DynamicParticle*)NULL; |
---|
495 | } |
---|
496 | |
---|
497 | G4DynamicParticle * |
---|
498 | G4LightMedia::SigmaMinusExchange( |
---|
499 | const G4HadProjectile *incidentParticle, |
---|
500 | const G4Nucleus& targetNucleus ) |
---|
501 | { |
---|
502 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
503 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
504 | G4ParticleDefinition* aLambda = G4Lambda::Lambda(); |
---|
505 | G4ParticleDefinition* aSigmaZero = G4SigmaZero::SigmaZero(); |
---|
506 | |
---|
507 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
508 | |
---|
509 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
510 | |
---|
511 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
512 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
513 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
514 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
515 | |
---|
516 | // introduce charge and strangeness exchange reactions |
---|
517 | |
---|
518 | G4int irn = G4int( G4UniformRand()/0.2 ); |
---|
519 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
520 | |
---|
521 | // S- N --> N S- |
---|
522 | |
---|
523 | resultant->SetDefinition( aNeutron ); |
---|
524 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
525 | } else { // target particle is a proton |
---|
526 | |
---|
527 | // S+ N --> S0 P, S+ N --> L P, S+ N --> N S+, S+ N --> P S0, S+ N --> P L |
---|
528 | |
---|
529 | switch( irn ) { |
---|
530 | case 0: |
---|
531 | resultant->SetDefinition( aSigmaZero ); |
---|
532 | // targetParticle->SetDefinition( aNeutron ); |
---|
533 | break; |
---|
534 | case 1: |
---|
535 | resultant->SetDefinition( aLambda ); |
---|
536 | // targetParticle->SetDefinition( aNeutron ); |
---|
537 | break; |
---|
538 | case 2: |
---|
539 | resultant->SetDefinition( aProton ); |
---|
540 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
541 | break; |
---|
542 | case 3: |
---|
543 | resultant->SetDefinition( aNeutron ); |
---|
544 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
545 | break; |
---|
546 | default: |
---|
547 | resultant->SetDefinition( aNeutron ); |
---|
548 | // targetParticle->SetDefinition( aLambda ); |
---|
549 | break; |
---|
550 | } |
---|
551 | } |
---|
552 | delete targetParticle; |
---|
553 | return resultant; |
---|
554 | } |
---|
555 | delete targetParticle; |
---|
556 | return (G4DynamicParticle*)NULL; |
---|
557 | } |
---|
558 | |
---|
559 | G4DynamicParticle * |
---|
560 | G4LightMedia::AntiSigmaPlusExchange( |
---|
561 | const G4HadProjectile *incidentParticle, |
---|
562 | const G4Nucleus& targetNucleus ) |
---|
563 | { |
---|
564 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
565 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
566 | G4ParticleDefinition* anAntiLambda = G4AntiLambda::AntiLambda(); |
---|
567 | G4ParticleDefinition* anAntiSigmaZero = G4AntiSigmaZero::AntiSigmaZero(); |
---|
568 | |
---|
569 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
570 | |
---|
571 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
572 | |
---|
573 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
574 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
575 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
576 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
577 | G4int irn = G4int( G4UniformRand()/0.2 ); |
---|
578 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
579 | |
---|
580 | // S+B N --> N S+B |
---|
581 | |
---|
582 | resultant->SetDefinition( aNeutron ); |
---|
583 | // targetParticle->SetDefinition( anAntiSigmaPlus ); |
---|
584 | } else { // target particle is a proton |
---|
585 | |
---|
586 | // S+ N --> S0 P, S+ N --> L P, S+ N --> N S+, S+ N --> P S0, S+ N --> P L |
---|
587 | |
---|
588 | switch( irn ) { |
---|
589 | case 0: |
---|
590 | resultant->SetDefinition( anAntiLambda ); |
---|
591 | // targetParticle->SetDefinition( aNeutron ); |
---|
592 | break; |
---|
593 | case 1: |
---|
594 | resultant->SetDefinition( anAntiSigmaZero ); |
---|
595 | // targetParticle->SetDefinition( aNeutron ); |
---|
596 | break; |
---|
597 | case 2: |
---|
598 | resultant->SetDefinition( aNeutron ); |
---|
599 | // targetParticle->SetDefinition( anAntiLambda ); |
---|
600 | break; |
---|
601 | case 3: |
---|
602 | resultant->SetDefinition( aNeutron ); |
---|
603 | // targetParticle->SetDefinition( anAntiSigmaZero ); |
---|
604 | break; |
---|
605 | default: |
---|
606 | resultant->SetDefinition( aProton ); |
---|
607 | // targetParticle->SetDefinition( anAntiLambda ); |
---|
608 | break; |
---|
609 | } |
---|
610 | } |
---|
611 | delete targetParticle; |
---|
612 | return resultant; |
---|
613 | } |
---|
614 | delete targetParticle; |
---|
615 | return (G4DynamicParticle*)NULL; |
---|
616 | } |
---|
617 | |
---|
618 | G4DynamicParticle * |
---|
619 | G4LightMedia::AntiSigmaMinusExchange( |
---|
620 | const G4HadProjectile *incidentParticle, |
---|
621 | const G4Nucleus& targetNucleus ) |
---|
622 | { |
---|
623 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
624 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
625 | G4ParticleDefinition* anAntiLambda = G4AntiLambda::AntiLambda(); |
---|
626 | G4ParticleDefinition* anAntiSigmaZero = G4AntiSigmaZero::AntiSigmaZero(); |
---|
627 | |
---|
628 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
629 | |
---|
630 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
631 | |
---|
632 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
633 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
634 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
635 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
636 | G4int irn = G4int( G4UniformRand()/0.2 ); |
---|
637 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
638 | |
---|
639 | // S-B N --> LB P, S-B N --> S0B P, S-B N --> N S-B, |
---|
640 | // S-B N --> P LB, S-B N --> P S0B |
---|
641 | |
---|
642 | switch( irn ) { |
---|
643 | case 0: |
---|
644 | resultant->SetDefinition( anAntiLambda ); |
---|
645 | // targetParticle->SetDefinition( aProton ); |
---|
646 | break; |
---|
647 | case 1: |
---|
648 | resultant->SetDefinition( anAntiSigmaZero ); |
---|
649 | // targetParticle->SetDefinition( aProton ); |
---|
650 | break; |
---|
651 | case 2: |
---|
652 | resultant->SetDefinition( aNeutron ); |
---|
653 | // targetParticle->SetDefinition( anAntiSigmaMinus ); |
---|
654 | break; |
---|
655 | case 3: |
---|
656 | resultant->SetDefinition( aProton ); |
---|
657 | // targetParticle->SetDefinition( anAntiLambda ); |
---|
658 | break; |
---|
659 | default: |
---|
660 | resultant->SetDefinition( aProton ); |
---|
661 | // targetParticle->SetDefinition( anAntiSigmaZero ); |
---|
662 | break; |
---|
663 | } |
---|
664 | } else { // target particle is a proton |
---|
665 | |
---|
666 | // S-B P --> P S-B |
---|
667 | |
---|
668 | resultant->SetDefinition( aProton ); |
---|
669 | // targetParticle->SetDefinition( anAntiSigmaMinus ); |
---|
670 | } |
---|
671 | delete targetParticle; |
---|
672 | return resultant; |
---|
673 | } |
---|
674 | delete targetParticle; |
---|
675 | return (G4DynamicParticle*)NULL; |
---|
676 | } |
---|
677 | |
---|
678 | G4DynamicParticle * |
---|
679 | G4LightMedia::XiZeroExchange( |
---|
680 | const G4HadProjectile *incidentParticle, |
---|
681 | const G4Nucleus& targetNucleus ) |
---|
682 | { |
---|
683 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
684 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
685 | G4ParticleDefinition* aLambda = G4Lambda::Lambda(); |
---|
686 | G4ParticleDefinition* aSigmaZero = G4SigmaZero::SigmaZero(); |
---|
687 | G4ParticleDefinition* aSigmaMinus = G4SigmaMinus::SigmaMinus(); |
---|
688 | G4ParticleDefinition* aSigmaPlus = G4SigmaPlus::SigmaPlus(); |
---|
689 | G4ParticleDefinition* aXiMinus = G4XiMinus::XiMinus(); |
---|
690 | |
---|
691 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
692 | |
---|
693 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
694 | |
---|
695 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
696 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
697 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
698 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
699 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
700 | G4int irn = G4int( G4UniformRand()*7.0 ); |
---|
701 | switch( irn ) { |
---|
702 | case 0: |
---|
703 | resultant->SetDefinition( aSigmaZero ); |
---|
704 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
705 | break; |
---|
706 | case 1: |
---|
707 | resultant->SetDefinition( aLambda ); |
---|
708 | // targetParticle->SetDefinition( aLambda ); |
---|
709 | break; |
---|
710 | case 2: |
---|
711 | resultant->SetDefinition( aXiMinus ); |
---|
712 | // targetParticle->SetDefinition( aProton ); |
---|
713 | break; |
---|
714 | case 3: |
---|
715 | resultant->SetDefinition( aProton ); |
---|
716 | // targetParticle->SetDefinition( aXiMinus ); |
---|
717 | break; |
---|
718 | case 4: |
---|
719 | resultant->SetDefinition( aSigmaPlus ); |
---|
720 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
721 | break; |
---|
722 | case 5: |
---|
723 | resultant->SetDefinition( aSigmaMinus ); |
---|
724 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
725 | break; |
---|
726 | default: |
---|
727 | resultant->SetDefinition( aNeutron ); |
---|
728 | // targetParticle->SetDefinition( aXiZero ); |
---|
729 | break; |
---|
730 | } |
---|
731 | } else { // target particle is a proton |
---|
732 | G4int irn = G4int( G4UniformRand()*5.0 ); |
---|
733 | switch( irn ) { |
---|
734 | case 0: |
---|
735 | resultant->SetDefinition( aSigmaPlus ); |
---|
736 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
737 | break; |
---|
738 | case 1: |
---|
739 | resultant->SetDefinition( aSigmaZero ); |
---|
740 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
741 | break; |
---|
742 | case 2: |
---|
743 | resultant->SetDefinition( aSigmaPlus ); |
---|
744 | // targetParticle->SetDefinition( aLambda ); |
---|
745 | break; |
---|
746 | case 3: |
---|
747 | resultant->SetDefinition( aLambda ); |
---|
748 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
749 | break; |
---|
750 | default: |
---|
751 | resultant->SetDefinition( aProton ); |
---|
752 | // targetParticle->SetDefinition( aXiZero ); |
---|
753 | break; |
---|
754 | } |
---|
755 | } |
---|
756 | delete targetParticle; |
---|
757 | return resultant; |
---|
758 | } |
---|
759 | delete targetParticle; |
---|
760 | return (G4DynamicParticle*)NULL; |
---|
761 | } |
---|
762 | |
---|
763 | G4DynamicParticle * |
---|
764 | G4LightMedia::XiMinusExchange( |
---|
765 | const G4HadProjectile *incidentParticle, |
---|
766 | const G4Nucleus& targetNucleus ) |
---|
767 | { |
---|
768 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
769 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
770 | G4ParticleDefinition* aLambda = G4Lambda::Lambda(); |
---|
771 | G4ParticleDefinition* aSigmaZero = G4SigmaZero::SigmaZero(); |
---|
772 | G4ParticleDefinition* aSigmaMinus = G4SigmaMinus::SigmaMinus(); |
---|
773 | G4ParticleDefinition* aXiZero = G4XiZero::XiZero(); |
---|
774 | |
---|
775 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
776 | |
---|
777 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
778 | |
---|
779 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
780 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
781 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
782 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
783 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
784 | G4int irn = G4int( G4UniformRand()*5.0 ); |
---|
785 | switch( irn ) { |
---|
786 | case 0: |
---|
787 | resultant->SetDefinition( aNeutron ); |
---|
788 | // targetParticle->SetDefinition( aXiMinus ); |
---|
789 | break; |
---|
790 | case 1: |
---|
791 | resultant->SetDefinition( aSigmaZero ); |
---|
792 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
793 | break; |
---|
794 | case 2: |
---|
795 | resultant->SetDefinition( aSigmaMinus ); |
---|
796 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
797 | break; |
---|
798 | case 3: |
---|
799 | resultant->SetDefinition( aLambda ); |
---|
800 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
801 | break; |
---|
802 | default: |
---|
803 | resultant->SetDefinition( aSigmaMinus ); |
---|
804 | // targetParticle->SetDefinition( aLambda ); |
---|
805 | break; |
---|
806 | } |
---|
807 | } else { // target particle is a proton |
---|
808 | G4int irn = G4int( G4UniformRand()*7.0 ); |
---|
809 | switch( irn ) { |
---|
810 | case 0: |
---|
811 | resultant->SetDefinition( aXiZero ); |
---|
812 | // targetParticle->SetDefinition( aNeutron ); |
---|
813 | break; |
---|
814 | case 1: |
---|
815 | resultant->SetDefinition( aNeutron ); |
---|
816 | // targetParticle->SetDefinition( aXiZero ); |
---|
817 | break; |
---|
818 | case 2: |
---|
819 | resultant->SetDefinition( aSigmaZero ); |
---|
820 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
821 | break; |
---|
822 | case 3: |
---|
823 | resultant->SetDefinition( aLambda ); |
---|
824 | // targetParticle->SetDefinition( aLambda ); |
---|
825 | break; |
---|
826 | case 4: |
---|
827 | resultant->SetDefinition( aSigmaZero ); |
---|
828 | // targetParticle->SetDefinition( aLambda ); |
---|
829 | break; |
---|
830 | case 5: |
---|
831 | resultant->SetDefinition( aLambda ); |
---|
832 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
833 | break; |
---|
834 | default: |
---|
835 | resultant->SetDefinition( aProton ); |
---|
836 | // targetParticle->SetDefinition( aXiMinus ); |
---|
837 | break; |
---|
838 | } |
---|
839 | } |
---|
840 | delete targetParticle; |
---|
841 | return resultant; |
---|
842 | } |
---|
843 | delete targetParticle; |
---|
844 | return (G4DynamicParticle*)NULL; |
---|
845 | } |
---|
846 | |
---|
847 | G4DynamicParticle * |
---|
848 | G4LightMedia::AntiXiZeroExchange( |
---|
849 | const G4HadProjectile *incidentParticle, |
---|
850 | const G4Nucleus& targetNucleus ) |
---|
851 | { |
---|
852 | // NOTE: The FORTRAN version of the cascade, CASAXO, simply called the |
---|
853 | // routine for the XiZero particle. Hence, the Exchange function |
---|
854 | // below is just a copy of the Exchange from the XiZero particle |
---|
855 | |
---|
856 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
857 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
858 | G4ParticleDefinition* aLambda = G4Lambda::Lambda(); |
---|
859 | G4ParticleDefinition* aSigmaZero = G4SigmaZero::SigmaZero(); |
---|
860 | G4ParticleDefinition* aSigmaMinus = G4SigmaMinus::SigmaMinus(); |
---|
861 | G4ParticleDefinition* aSigmaPlus = G4SigmaPlus::SigmaPlus(); |
---|
862 | G4ParticleDefinition* aXiMinus = G4XiMinus::XiMinus(); |
---|
863 | |
---|
864 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
865 | |
---|
866 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
867 | |
---|
868 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
869 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
870 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
871 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
872 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
873 | G4int irn = G4int( G4UniformRand()*7.0 ); |
---|
874 | switch( irn ) { |
---|
875 | case 0: |
---|
876 | resultant->SetDefinition( aSigmaZero ); |
---|
877 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
878 | break; |
---|
879 | case 1: |
---|
880 | resultant->SetDefinition( aLambda ); |
---|
881 | // targetParticle->SetDefinition( aLambda ); |
---|
882 | break; |
---|
883 | case 2: |
---|
884 | resultant->SetDefinition( aXiMinus ); |
---|
885 | // targetParticle->SetDefinition( aProton ); |
---|
886 | break; |
---|
887 | case 3: |
---|
888 | resultant->SetDefinition( aProton ); |
---|
889 | // targetParticle->SetDefinition( aXiMinus ); |
---|
890 | break; |
---|
891 | case 4: |
---|
892 | resultant->SetDefinition( aSigmaPlus ); |
---|
893 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
894 | break; |
---|
895 | case 5: |
---|
896 | resultant->SetDefinition( aSigmaMinus ); |
---|
897 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
898 | break; |
---|
899 | default: |
---|
900 | resultant->SetDefinition( aNeutron ); |
---|
901 | // targetParticle->SetDefinition( aXiZero ); |
---|
902 | break; |
---|
903 | } |
---|
904 | } else { // target particle is a proton |
---|
905 | G4int irn = G4int( G4UniformRand()*5.0 ); |
---|
906 | switch( irn ) { |
---|
907 | case 0: |
---|
908 | resultant->SetDefinition( aSigmaPlus ); |
---|
909 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
910 | break; |
---|
911 | case 1: |
---|
912 | resultant->SetDefinition( aSigmaZero ); |
---|
913 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
914 | break; |
---|
915 | case 2: |
---|
916 | resultant->SetDefinition( aSigmaPlus ); |
---|
917 | // targetParticle->SetDefinition( aLambda ); |
---|
918 | break; |
---|
919 | case 3: |
---|
920 | resultant->SetDefinition( aLambda ); |
---|
921 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
922 | break; |
---|
923 | default: |
---|
924 | resultant->SetDefinition( aProton ); |
---|
925 | // targetParticle->SetDefinition( aXiZero ); |
---|
926 | break; |
---|
927 | } |
---|
928 | } |
---|
929 | delete targetParticle; |
---|
930 | return resultant; |
---|
931 | } |
---|
932 | delete targetParticle; |
---|
933 | return (G4DynamicParticle*)NULL; |
---|
934 | } |
---|
935 | |
---|
936 | G4DynamicParticle * |
---|
937 | G4LightMedia::AntiXiMinusExchange( |
---|
938 | const G4HadProjectile *incidentParticle, |
---|
939 | const G4Nucleus& targetNucleus ) |
---|
940 | { |
---|
941 | // NOTE: The FORTRAN version of the cascade, CASAXM, simply called the |
---|
942 | // routine for the XiMinus particle. Hence, the Exchange function |
---|
943 | // below is just a copy of the Exchange from the XiMinus particle |
---|
944 | |
---|
945 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
946 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
947 | G4ParticleDefinition* aLambda = G4Lambda::Lambda(); |
---|
948 | G4ParticleDefinition* aSigmaZero = G4SigmaZero::SigmaZero(); |
---|
949 | G4ParticleDefinition* aSigmaMinus = G4SigmaMinus::SigmaMinus(); |
---|
950 | G4ParticleDefinition* aXiZero = G4XiZero::XiZero(); |
---|
951 | |
---|
952 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
953 | |
---|
954 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
955 | |
---|
956 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
957 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
958 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
959 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
960 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
961 | G4int irn = G4int( G4UniformRand()*5.0 ); |
---|
962 | switch( irn ) { |
---|
963 | case 0: |
---|
964 | resultant->SetDefinition( aNeutron ); |
---|
965 | // targetParticle->SetDefinition( aXiMinus ); |
---|
966 | break; |
---|
967 | case 1: |
---|
968 | resultant->SetDefinition( aSigmaZero ); |
---|
969 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
970 | break; |
---|
971 | case 2: |
---|
972 | resultant->SetDefinition( aSigmaMinus ); |
---|
973 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
974 | break; |
---|
975 | case 3: |
---|
976 | resultant->SetDefinition( aLambda ); |
---|
977 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
978 | break; |
---|
979 | default: |
---|
980 | resultant->SetDefinition( aSigmaMinus ); |
---|
981 | // targetParticle->SetDefinition( aLambda ); |
---|
982 | break; |
---|
983 | } |
---|
984 | } else { // target particle is a proton |
---|
985 | G4int irn = G4int( G4UniformRand()*7.0 ); |
---|
986 | switch( irn ) { |
---|
987 | case 0: |
---|
988 | resultant->SetDefinition( aXiZero ); |
---|
989 | // targetParticle->SetDefinition( aNeutron ); |
---|
990 | break; |
---|
991 | case 1: |
---|
992 | resultant->SetDefinition( aNeutron ); |
---|
993 | // targetParticle->SetDefinition( aXiZero ); |
---|
994 | break; |
---|
995 | case 2: |
---|
996 | resultant->SetDefinition( aSigmaZero ); |
---|
997 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
998 | break; |
---|
999 | case 3: |
---|
1000 | resultant->SetDefinition( aLambda ); |
---|
1001 | // targetParticle->SetDefinition( aLambda ); |
---|
1002 | break; |
---|
1003 | case 4: |
---|
1004 | resultant->SetDefinition( aSigmaZero ); |
---|
1005 | // targetParticle->SetDefinition( aLambda ); |
---|
1006 | break; |
---|
1007 | case 5: |
---|
1008 | resultant->SetDefinition( aLambda ); |
---|
1009 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
1010 | break; |
---|
1011 | default: |
---|
1012 | resultant->SetDefinition( aProton ); |
---|
1013 | // targetParticle->SetDefinition( aXiMinus ); |
---|
1014 | break; |
---|
1015 | } |
---|
1016 | } |
---|
1017 | delete targetParticle; |
---|
1018 | return resultant; |
---|
1019 | } |
---|
1020 | delete targetParticle; |
---|
1021 | return (G4DynamicParticle*)NULL; |
---|
1022 | } |
---|
1023 | |
---|
1024 | G4DynamicParticle * |
---|
1025 | G4LightMedia::OmegaMinusExchange( |
---|
1026 | const G4HadProjectile *incidentParticle, |
---|
1027 | const G4Nucleus& targetNucleus ) |
---|
1028 | { |
---|
1029 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
1030 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
1031 | G4ParticleDefinition* aLambda = G4Lambda::Lambda(); |
---|
1032 | G4ParticleDefinition* aSigmaZero = G4SigmaZero::SigmaZero(); |
---|
1033 | G4ParticleDefinition* aSigmaMinus = G4SigmaMinus::SigmaMinus(); |
---|
1034 | G4ParticleDefinition* aSigmaPlus = G4SigmaPlus::SigmaPlus(); |
---|
1035 | G4ParticleDefinition* aXiMinus = G4XiMinus::XiMinus(); |
---|
1036 | G4ParticleDefinition* aXiZero = G4XiZero::XiZero(); |
---|
1037 | |
---|
1038 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
1039 | |
---|
1040 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
1041 | |
---|
1042 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
1043 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
1044 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
1045 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
1046 | |
---|
1047 | // introduce charge and strangeness exchange reactions |
---|
1048 | |
---|
1049 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
1050 | G4int irn = G4int( G4UniformRand()*7.0 ); |
---|
1051 | switch( irn ) { |
---|
1052 | case 0: |
---|
1053 | resultant->SetDefinition( aXiZero ); |
---|
1054 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
1055 | break; |
---|
1056 | case 1: |
---|
1057 | resultant->SetDefinition( aSigmaMinus ); |
---|
1058 | // targetParticle->SetDefinition( aXiZero ); |
---|
1059 | break; |
---|
1060 | case 2: |
---|
1061 | resultant->SetDefinition( aXiMinus ); |
---|
1062 | // targetParticle->SetDefinition( aLambda ); |
---|
1063 | break; |
---|
1064 | case 3: |
---|
1065 | resultant->SetDefinition( aLambda ); |
---|
1066 | // targetParticle->SetDefinition( aXiMinus ); |
---|
1067 | break; |
---|
1068 | case 4: |
---|
1069 | resultant->SetDefinition( aXiMinus ); |
---|
1070 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
1071 | break; |
---|
1072 | case 5: |
---|
1073 | resultant->SetDefinition( aSigmaZero ); |
---|
1074 | // targetParticle->SetDefinition( aXiMinus ); |
---|
1075 | break; |
---|
1076 | default: |
---|
1077 | resultant->SetDefinition( aNeutron ); |
---|
1078 | // targetParticle->SetDefinition( anOmegaMinus ); |
---|
1079 | break; |
---|
1080 | } |
---|
1081 | } else { // target particle is a proton |
---|
1082 | G4int irn = G4int( G4UniformRand()*7.0 ); |
---|
1083 | switch( irn ) { |
---|
1084 | case 0: |
---|
1085 | resultant->SetDefinition( aXiZero ); |
---|
1086 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
1087 | break; |
---|
1088 | case 1: |
---|
1089 | resultant->SetDefinition( aSigmaZero ); |
---|
1090 | // targetParticle->SetDefinition( aXiZero ); |
---|
1091 | break; |
---|
1092 | case 2: |
---|
1093 | resultant->SetDefinition( aXiZero ); |
---|
1094 | // targetParticle->SetDefinition( aLambda ); |
---|
1095 | break; |
---|
1096 | case 3: |
---|
1097 | resultant->SetDefinition( aLambda ); |
---|
1098 | // targetParticle->SetDefinition( aXiZero ); |
---|
1099 | break; |
---|
1100 | case 4: |
---|
1101 | resultant->SetDefinition( aXiMinus ); |
---|
1102 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
1103 | break; |
---|
1104 | case 5: |
---|
1105 | resultant->SetDefinition( aSigmaPlus ); |
---|
1106 | // targetParticle->SetDefinition( aXiMinus ); |
---|
1107 | break; |
---|
1108 | default: |
---|
1109 | resultant->SetDefinition( aProton ); |
---|
1110 | // targetParticle->SetDefinition( anOmegaMinus ); |
---|
1111 | break; |
---|
1112 | } |
---|
1113 | } |
---|
1114 | delete targetParticle; |
---|
1115 | return resultant; |
---|
1116 | } |
---|
1117 | delete targetParticle; |
---|
1118 | return (G4DynamicParticle*)NULL; |
---|
1119 | } |
---|
1120 | |
---|
1121 | G4DynamicParticle * |
---|
1122 | G4LightMedia::AntiOmegaMinusExchange( |
---|
1123 | const G4HadProjectile *incidentParticle, |
---|
1124 | const G4Nucleus& targetNucleus ) |
---|
1125 | { |
---|
1126 | // NOTE: The FORTRAN version of the cascade, CASAOM, simply called the |
---|
1127 | // routine for the OmegaMinus particle. Hence, the Exchange function |
---|
1128 | // below is just a copy of the Exchange from the OmegaMinus particle. |
---|
1129 | |
---|
1130 | G4ParticleDefinition* aNeutron = G4Neutron::Neutron(); |
---|
1131 | G4ParticleDefinition* aProton = G4Proton::Proton(); |
---|
1132 | G4ParticleDefinition* aLambda = G4Lambda::Lambda(); |
---|
1133 | G4ParticleDefinition* aSigmaZero = G4SigmaZero::SigmaZero(); |
---|
1134 | G4ParticleDefinition* aSigmaMinus = G4SigmaMinus::SigmaMinus(); |
---|
1135 | G4ParticleDefinition* aSigmaPlus = G4SigmaPlus::SigmaPlus(); |
---|
1136 | G4ParticleDefinition* aXiMinus = G4XiMinus::XiMinus(); |
---|
1137 | G4ParticleDefinition* aXiZero = G4XiZero::XiZero(); |
---|
1138 | |
---|
1139 | const G4double atomicNumber = targetNucleus.GetZ(); |
---|
1140 | |
---|
1141 | G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle(); |
---|
1142 | |
---|
1143 | const G4double cech[] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0}; |
---|
1144 | G4int iplab = G4int( std::min( 9.0, incidentParticle->GetTotalMomentum()/GeV*2.5 ) ); |
---|
1145 | if( G4UniformRand() <= cech[iplab]/std::pow(atomicNumber,0.42) ) { |
---|
1146 | G4DynamicParticle* resultant = new G4DynamicParticle; |
---|
1147 | |
---|
1148 | // introduce charge and strangeness exchange reactions |
---|
1149 | |
---|
1150 | if( targetParticle->GetDefinition() == aNeutron ) { |
---|
1151 | G4int irn = G4int( G4UniformRand()*7.0 ); |
---|
1152 | switch( irn ) { |
---|
1153 | case 0: |
---|
1154 | resultant->SetDefinition( aXiZero ); |
---|
1155 | // targetParticle->SetDefinition( aSigmaMinus ); |
---|
1156 | break; |
---|
1157 | case 1: |
---|
1158 | resultant->SetDefinition( aSigmaMinus ); |
---|
1159 | // targetParticle->SetDefinition( aXiZero ); |
---|
1160 | break; |
---|
1161 | case 2: |
---|
1162 | resultant->SetDefinition( aXiMinus ); |
---|
1163 | // targetParticle->SetDefinition( aLambda ); |
---|
1164 | break; |
---|
1165 | case 3: |
---|
1166 | resultant->SetDefinition( aLambda ); |
---|
1167 | // targetParticle->SetDefinition( aXiMinus ); |
---|
1168 | break; |
---|
1169 | case 4: |
---|
1170 | resultant->SetDefinition( aXiMinus ); |
---|
1171 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
1172 | break; |
---|
1173 | case 5: |
---|
1174 | resultant->SetDefinition( aSigmaZero ); |
---|
1175 | // targetParticle->SetDefinition( aXiMinus ); |
---|
1176 | break; |
---|
1177 | default: |
---|
1178 | resultant->SetDefinition( aNeutron ); |
---|
1179 | // targetParticle->SetDefinition( anOmegaMinus ); |
---|
1180 | break; |
---|
1181 | } |
---|
1182 | } else { // target particle is a proton |
---|
1183 | G4int irn = G4int( G4UniformRand()*7.0 ); |
---|
1184 | switch( irn ) { |
---|
1185 | case 0: |
---|
1186 | resultant->SetDefinition( aXiZero ); |
---|
1187 | // targetParticle->SetDefinition( aSigmaZero ); |
---|
1188 | break; |
---|
1189 | case 1: |
---|
1190 | resultant->SetDefinition( aSigmaZero ); |
---|
1191 | // targetParticle->SetDefinition( aXiZero ); |
---|
1192 | break; |
---|
1193 | case 2: |
---|
1194 | resultant->SetDefinition( aXiZero ); |
---|
1195 | // targetParticle->SetDefinition( aLambda ); |
---|
1196 | break; |
---|
1197 | case 3: |
---|
1198 | resultant->SetDefinition( aLambda ); |
---|
1199 | // targetParticle->SetDefinition( aXiZero ); |
---|
1200 | break; |
---|
1201 | case 4: |
---|
1202 | resultant->SetDefinition( aXiMinus ); |
---|
1203 | // targetParticle->SetDefinition( aSigmaPlus ); |
---|
1204 | break; |
---|
1205 | case 5: |
---|
1206 | resultant->SetDefinition( aSigmaPlus ); |
---|
1207 | // targetParticle->SetDefinition( aXiMinus ); |
---|
1208 | break; |
---|
1209 | default: |
---|
1210 | resultant->SetDefinition( aProton ); |
---|
1211 | // targetParticle->SetDefinition( anOmegaMinus ); |
---|
1212 | break; |
---|
1213 | } |
---|
1214 | } |
---|
1215 | delete targetParticle; |
---|
1216 | return resultant; |
---|
1217 | } |
---|
1218 | delete targetParticle; |
---|
1219 | return (G4DynamicParticle*)NULL; |
---|
1220 | } |
---|
1221 | |
---|
1222 | /* end of file */ |
---|
1223 | |
---|