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26 // INCL++ intra-nuclear cascade model 26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France 27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium 28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France 29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and H 30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
31 // Sylvie Leray, CEA-Saclay, France 31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France 32 // Davide Mancusi, CEA-Saclay, France
33 // 33 //
34 #define INCLXX_IN_GEANT4_MODE 1 34 #define INCLXX_IN_GEANT4_MODE 1
35 35
36 #include "globals.hh" 36 #include "globals.hh"
37 37
38 #include "G4INCLCrossSectionsMultiPions.hh" 38 #include "G4INCLCrossSectionsMultiPions.hh"
39 #include "G4INCLKinematicsUtils.hh" 39 #include "G4INCLKinematicsUtils.hh"
40 #include "G4INCLParticleTable.hh" 40 #include "G4INCLParticleTable.hh"
41 #include "G4INCLLogger.hh" 41 #include "G4INCLLogger.hh"
42 // #include <cassert> 42 // #include <cassert>
43 43
44 namespace G4INCL { 44 namespace G4INCL {
45 45
46 template<G4int N> 46 template<G4int N>
47 struct BystrickyEvaluator { 47 struct BystrickyEvaluator {
48 static G4double eval(const G4double pLab 48 static G4double eval(const G4double pLab, const G4double oneOverThreshold, HornerCoefficients<N> const &coeffs) {
49 const G4double pMeV = pLab*1E3; 49 const G4double pMeV = pLab*1E3;
50 const G4double ekin=std::sqrt(Particle 50 const G4double ekin=std::sqrt(ParticleTable::effectiveNucleonMass2+pMeV*pMeV)-ParticleTable::effectiveNucleonMass;
51 const G4double xrat=ekin*oneOverThresh 51 const G4double xrat=ekin*oneOverThreshold;
52 const G4double x=std::log(xrat); 52 const G4double x=std::log(xrat);
53 return HornerEvaluator<N>::eval(x, coe 53 return HornerEvaluator<N>::eval(x, coeffs) * x * std::exp(-0.5*x);
54 } 54 }
55 }; 55 };
56 56
57 const G4int CrossSectionsMultiPions::nMaxPiN 57 const G4int CrossSectionsMultiPions::nMaxPiNN = 4;
58 const G4int CrossSectionsMultiPions::nMaxPiP 58 const G4int CrossSectionsMultiPions::nMaxPiPiN = 4;
59 59
60 const G4double CrossSectionsMultiPions::s11p 60 const G4double CrossSectionsMultiPions::s11pzOOT = 0.0035761542037692665889;
61 const G4double CrossSectionsMultiPions::s01p 61 const G4double CrossSectionsMultiPions::s01ppOOT = 0.003421025623481919853;
62 const G4double CrossSectionsMultiPions::s01p 62 const G4double CrossSectionsMultiPions::s01pzOOT = 0.0035739814152966403123;
63 const G4double CrossSectionsMultiPions::s11p 63 const G4double CrossSectionsMultiPions::s11pmOOT = 0.0034855350296270480281;
64 const G4double CrossSectionsMultiPions::s12p 64 const G4double CrossSectionsMultiPions::s12pmOOT = 0.0016672224074691565119;
65 const G4double CrossSectionsMultiPions::s12p 65 const G4double CrossSectionsMultiPions::s12ppOOT = 0.0016507643038726931312;
66 const G4double CrossSectionsMultiPions::s12z 66 const G4double CrossSectionsMultiPions::s12zzOOT = 0.0011111111111111111111;
67 const G4double CrossSectionsMultiPions::s02p 67 const G4double CrossSectionsMultiPions::s02pzOOT = 0.00125;
68 const G4double CrossSectionsMultiPions::s02p 68 const G4double CrossSectionsMultiPions::s02pmOOT = 0.0016661112962345883443;
69 const G4double CrossSectionsMultiPions::s12m 69 const G4double CrossSectionsMultiPions::s12mzOOT = 0.0017047391749062392793;
70 70
71 CrossSectionsMultiPions::CrossSectionsMultiP 71 CrossSectionsMultiPions::CrossSectionsMultiPions() :
72 s11pzHC(-2.228000000000294018,8.7560000000 72 s11pzHC(-2.228000000000294018,8.7560000000005723725,-0.61000000000023239325,-5.4139999999999780324,3.3338333333333348023,-0.75835000000000022049,0.060623611111111114688),
73 s01ppHC(2.0570000000126518344,-6.029000000 73 s01ppHC(2.0570000000126518344,-6.029000000012135826,36.768500000002462784,-45.275666666666553533,25.112666666666611953,-7.2174166666666639187,1.0478875000000000275,-0.060804365079365080846),
74 s01pzHC(0.18030000000000441851,7.870099999 74 s01pzHC(0.18030000000000441851,7.8700999999999953598,-4.0548999999999990425,0.555199999999999959),
75 s11pmHC(0.20590000000000031866,3.345099999 75 s11pmHC(0.20590000000000031866,3.3450999999999993936,-1.4401999999999997825,0.17076666666666664973),
76 s12pmHC(-0.77235999999999901328,4.26265999 76 s12pmHC(-0.77235999999999901328,4.2626599999999991117,-1.9008899999999997323,0.30192266666666663379,-0.012270833333333331986),
77 s12ppHC(-0.75724999999999975664,2.09343999 77 s12ppHC(-0.75724999999999975664,2.0934399999999998565,-0.3803099999999999814),
78 s12zzHC(-0.89599999999996965072,7.88299999 78 s12zzHC(-0.89599999999996965072,7.882999999999978632,-7.1049999999999961928,1.884333333333333089),
79 s02pzHC(-1.0579999999999967036,11.11399999 79 s02pzHC(-1.0579999999999967036,11.113999999999994089,-8.5259999999999990196,2.0051666666666666525),
80 s02pmHC(2.4009000000012553286,-7.768000000 80 s02pmHC(2.4009000000012553286,-7.7680000000013376183,20.619000000000433505,-16.429666666666723928,5.2525708333333363472,-0.58969166666666670206),
81 s12mzHC(-0.21858699999999976269,1.91489999 81 s12mzHC(-0.21858699999999976269,1.9148999999999999722,-0.31727500000000001065,-0.027695000000000000486)
82 { << 82 {
83 } << 83 }
84 84
85 G4double CrossSectionsMultiPions::NNElastic( 85 G4double CrossSectionsMultiPions::NNElastic(Particle const * const part1, Particle const * const part2) {
86 86
87 /* The NN cross section is parametrised as 87 /* The NN cross section is parametrised as a function of the lab momentum
88 * of one of the nucleons. For NDelta or D 88 * of one of the nucleons. For NDelta or DeltaDelta, the physical
89 * assumption is that the cross section is 89 * assumption is that the cross section is the same as NN *for the same
90 * total CM energy*. Thus, we calculate s 90 * total CM energy*. Thus, we calculate s from the particles involved, and
91 * we convert this value to the lab moment 91 * we convert this value to the lab momentum of a nucleon *as if this were
92 * an NN collision*. 92 * an NN collision*.
93 */ 93 */
94 const G4double s = KinematicsUtils::square 94 const G4double s = KinematicsUtils::squareTotalEnergyInCM(part1, part2);
95 95
96 if(part1->isNucleon() && part2->isNucleon( 96 if(part1->isNucleon() && part2->isNucleon()) { // NN
97 const G4int i = ParticleTable::getIsospi 97 const G4int i = ParticleTable::getIsospin(part1->getType())
98 + ParticleTable::getIsospin(part2->get 98 + ParticleTable::getIsospin(part2->getType());
99 return NNElasticFixed(s, i); 99 return NNElasticFixed(s, i);
100 } 100 }
101 else { // Nucleon-Delta and Delta-Delta 101 else { // Nucleon-Delta and Delta-Delta
102 const G4double plab = 0.001*KinematicsUt 102 const G4double plab = 0.001*KinematicsUtils::momentumInLab(s, ParticleTable::effectiveNucleonMass, ParticleTable::effectiveNucleonMass);
103 if (plab < 0.440) { 103 if (plab < 0.440) {
104 return 34.*std::pow(plab/0.4, (-2.104) 104 return 34.*std::pow(plab/0.4, (-2.104));
105 } 105 }
106 else if (plab < 0.800) { 106 else if (plab < 0.800) {
107 return 23.5+1000.*std::pow(plab-0.7, 4 107 return 23.5+1000.*std::pow(plab-0.7, 4);
108 } 108 }
109 else if (plab <= 2.0) { 109 else if (plab <= 2.0) {
110 return 1250./(50.+plab)-4.*std::pow(pl 110 return 1250./(50.+plab)-4.*std::pow(plab-1.3, 2);
111 } 111 }
112 else { 112 else {
113 return 77./(plab+1.5); 113 return 77./(plab+1.5);
114 } 114 }
115 } 115 }
116 } 116 }
117 117
118 G4double CrossSectionsMultiPions::NNElasti 118 G4double CrossSectionsMultiPions::NNElasticFixed(const G4double s, const G4int i) {
119 119
120 /* From NNElastic, with isospin fixed an 120 /* From NNElastic, with isospin fixed and for NN only.
121 */ 121 */
122 122
123 G4double plab = 0.001*KinematicsUtils::m 123 G4double plab = 0.001*KinematicsUtils::momentumInLab(s, ParticleTable::effectiveNucleonMass, ParticleTable::effectiveNucleonMass);
124 G4double sigma = 0.; <<
125 124
126 if (i == 0) { // pn 125 if (i == 0) { // pn
127 if (plab < 0.446) { 126 if (plab < 0.446) {
128 G4double alp=std::log(plab); 127 G4double alp=std::log(plab);
129 sigma = 6.3555*std::exp(-3.2481*alp- << 128 return 6.3555*std::exp(-3.2481*alp-0.377*alp*alp);
130 } 129 }
131 else if (plab < 0.851) { 130 else if (plab < 0.851) {
132 sigma = 33.+196.*std::pow(std::fabs( << 131 return 33.+196.*std::pow(std::fabs(plab-0.95),2.5);
133 } 132 }
134 else if (plab <= 2.0) { 133 else if (plab <= 2.0) {
135 sigma = 31./std::sqrt(plab); << 134 return 31./std::sqrt(plab);
136 } 135 }
137 else { 136 else {
138 sigma = 77./(plab+1.5); << 137 return 77./(plab+1.5);
139 } 138 }
140 //if(plab < 0.9 && plab > 0.802) sigma <<
141 //if(plab < 1.4 && plab > 1.31) sigma <<
142 return sigma; <<
143 } 139 }
144 else { // pp and nn 140 else { // pp and nn
145 if (plab < 0.440) { 141 if (plab < 0.440) {
146 return 34.*std::pow(plab/0.4, (-2.10 142 return 34.*std::pow(plab/0.4, (-2.104));
147 } 143 }
148 else if (plab < 0.8067) { 144 else if (plab < 0.8067) {
149 return 23.5+1000.*std::pow(plab-0.7, 145 return 23.5+1000.*std::pow(plab-0.7, 4);
150 } 146 }
151 else if (plab <= 2.0) { 147 else if (plab <= 2.0) {
152 return 1250./(50.+plab)-4.*std::pow( 148 return 1250./(50.+plab)-4.*std::pow(plab-1.3, 2);
153 } 149 }
154 else if (plab <= 3.0956) { 150 else if (plab <= 3.0956) {
155 return 77./(plab+1.5); 151 return 77./(plab+1.5);
156 } 152 }
157 else { 153 else {
158 G4double alp=std::log(plab); 154 G4double alp=std::log(plab);
159 return 11.2+25.5*std::pow(plab, -1.1 155 return 11.2+25.5*std::pow(plab, -1.12)+0.151*std::pow(alp, 2)-1.62*alp;
160 } 156 }
161 } 157 }
162 } 158 }
163 159
164 G4double CrossSectionsMultiPions::NNTot(Pa 160 G4double CrossSectionsMultiPions::NNTot(Particle const * const part1, Particle const * const part2) {
165 161
166 G4int i = ParticleTable::getIsospin(pa 162 G4int i = ParticleTable::getIsospin(part1->getType())
167 + ParticleTable::getIsospin(part2->get 163 + ParticleTable::getIsospin(part2->getType());
168 164
169 if(part1->isNucleon() && part2->isNucl 165 if(part1->isNucleon() && part2->isNucleon()) { // NN
170 const G4double s = KinematicsUtils:: 166 const G4double s = KinematicsUtils::squareTotalEnergyInCM(part1, part2);
171 return NNTotFixed(s, i); 167 return NNTotFixed(s, i);
172 } 168 }
173 else if (part1->isDelta() && part2->is 169 else if (part1->isDelta() && part2->isDelta()) { // Delta-Delta
174 return elastic(part1, part2); 170 return elastic(part1, part2);
175 } 171 }
176 else { // Nucleon-Delta 172 else { // Nucleon-Delta
177 return NDeltaToNN(part1, part2) + 173 return NDeltaToNN(part1, part2) + elastic(part1, part2);
178 } 174 }
179 } 175 }
180 176
181 G4double CrossSectionsMultiPions::NNTotFix 177 G4double CrossSectionsMultiPions::NNTotFixed(const G4double s, const G4int i) {
182 178
183 /* From NNTot, with isospin fixed and fo 179 /* From NNTot, with isospin fixed and for NN only.
184 */ 180 */
185 181
186 G4double plab = 0.001*KinematicsUtils::m 182 G4double plab = 0.001*KinematicsUtils::momentumInLab(s, ParticleTable::effectiveNucleonMass, ParticleTable::effectiveNucleonMass);
187 183
188 if (i == 0) { // pn 184 if (i == 0) { // pn
189 if (plab < 0.446) { 185 if (plab < 0.446) {
190 G4double alp=std::log(plab); 186 G4double alp=std::log(plab);
191 return 6.3555*std::exp(-3.2481*alp-0 187 return 6.3555*std::exp(-3.2481*alp-0.377*std::pow(alp, 2));
192 } 188 }
193 else if (plab < 1.0) { 189 else if (plab < 1.0) {
194 return 33.+196.*std::sqrt(std::pow(s 190 return 33.+196.*std::sqrt(std::pow(std::fabs(plab-0.95),5));
195 } 191 }
196 else if (plab < 1.924) { 192 else if (plab < 1.924) {
197 return 24.2+8.9*plab; 193 return 24.2+8.9*plab;
198 } 194 }
199 else { 195 else {
200 G4double alp=std::log(plab); 196 G4double alp=std::log(plab);
201 return 48.9-33.7*std::pow(plab, -3.0 197 return 48.9-33.7*std::pow(plab, -3.08)+0.619*std::pow(alp, 2)-5.12*alp;
202 } 198 }
203 } 199 }
204 else { // pp and nn 200 else { // pp and nn
205 if (plab < 0.440) { 201 if (plab < 0.440) {
206 return 34.*std::pow(plab/0.4, (-2.10 202 return 34.*std::pow(plab/0.4, (-2.104));
207 } 203 }
208 else if (plab < 0.8734) { 204 else if (plab < 0.8734) {
209 return 23.5+1000.*std::pow(plab-0.7, 205 return 23.5+1000.*std::pow(plab-0.7, 4);
210 } 206 }
211 else if (plab < 1.5) { 207 else if (plab < 1.5) {
212 return 23.5+24.6/(1.+std::exp(-10.*( 208 return 23.5+24.6/(1.+std::exp(-10.*(plab-1.2)));
213 } 209 }
214 else if (plab < 3.0044) { 210 else if (plab < 3.0044) {
215 return 41.+60.*(plab-0.9)*std::exp(- 211 return 41.+60.*(plab-0.9)*std::exp(-1.2*plab);
216 } 212 }
217 else { 213 else {
218 G4double alp=std::log(plab); 214 G4double alp=std::log(plab);
219 return 45.6+219.*std::pow(plab, -4.2 215 return 45.6+219.*std::pow(plab, -4.23)+0.41*std::pow(alp, 2)-3.41*alp;
220 } 216 }
221 } 217 }
222 } 218 }
223 219
224 G4double CrossSectionsMultiPions::NNInelas 220 G4double CrossSectionsMultiPions::NNInelasticIso(const G4double ener, const G4int iso) {
225 221
226 const G4double s = ener*ener; 222 const G4double s = ener*ener;
227 G4double sincl; 223 G4double sincl;
228 224
229 if (iso != 0) { 225 if (iso != 0) {
230 if(s>=4074595.287720512986) { // plab> 226 if(s>=4074595.287720512986) { // plab>800 MeV/c
231 sincl = NNTotFixed(s, 2)-NNElasticFi 227 sincl = NNTotFixed(s, 2)-NNElasticFixed(s, 2);
232 } 228 }
233 else { 229 else {
234 sincl = 0. ; 230 sincl = 0. ;
235 } 231 }
236 } else { 232 } else {
237 if(s>=4074595.287720512986) { // plab> 233 if(s>=4074595.287720512986) { // plab>800 MeV/c
238 sincl = 2*(NNTotFixed(s, 0)-NNElasti 234 sincl = 2*(NNTotFixed(s, 0)-NNElasticFixed(s, 0))-(NNTotFixed(s, 2)-NNElasticFixed(s, 2));
239 } 235 }
240 else { 236 else {
241 return 0. ; 237 return 0. ;
242 } 238 }
243 } 239 }
244 if (sincl < 0.) sincl = 0.; 240 if (sincl < 0.) sincl = 0.;
245 return sincl; 241 return sincl;
246 } 242 }
247 243
248 G4double CrossSectionsMultiPions::NNOnePiO 244 G4double CrossSectionsMultiPions::NNOnePiOrDelta(const G4double ener, const G4int iso, const G4double xsiso) {
249 245
250 /* Article J. Physique 48 (1987)1901-1 246 /* Article J. Physique 48 (1987)1901-1924 "Energy dependence of
251 nucleon-cucleon inelastic total cross 247 nucleon-cucleon inelastic total cross-sections."
252 J. Bystricky, P. La France, F. Lehar, 248 J. Bystricky, P. La France, F. Lehar, F. Perrot, T. Siemiarczuk & P. Winternitz
253 S11PZ= section pp->pp pi0 249 S11PZ= section pp->pp pi0
254 S01PP= section pp->pn pi+ 250 S01PP= section pp->pn pi+
255 S01PZ= section pn->pn pi0 251 S01PZ= section pn->pn pi0
256 S11PM= section pn->pp pi- 252 S11PM= section pn->pp pi-
257 S= X-Section, 1st number : 1 if pp an 253 S= X-Section, 1st number : 1 if pp and 0 if pn
258 2nd number = number of pions, PP= pi+ 254 2nd number = number of pions, PP= pi+; PZ= pi0 ; PM= pi-
259 */ 255 */
260 256
261 const G4double s = ener*ener; 257 const G4double s = ener*ener;
262 G4double plab = 0.001*KinematicsUtils: 258 G4double plab = 0.001*KinematicsUtils::momentumInLab(s, ParticleTable::effectiveNucleonMass, ParticleTable::effectiveNucleonMass);
263 259
264 G4double snnpit1=0.; 260 G4double snnpit1=0.;
265 G4double snnpit=0.; 261 G4double snnpit=0.;
266 G4double s11pz=0.; 262 G4double s11pz=0.;
267 G4double s01pp=0.; 263 G4double s01pp=0.;
268 G4double s01pz=0.; 264 G4double s01pz=0.;
269 G4double s11pm=0.; 265 G4double s11pm=0.;
270 266
271 if ((iso != 0) && (plab < 2.1989)) { 267 if ((iso != 0) && (plab < 2.1989)) {
272 snnpit = xsiso - NNTwoPi(ener, iso 268 snnpit = xsiso - NNTwoPi(ener, iso, xsiso);
273 if (snnpit < 1.e-8) snnpit=0.; 269 if (snnpit < 1.e-8) snnpit=0.;
274 return snnpit; 270 return snnpit;
275 } 271 }
276 else if ((iso == 0) && (plab < 1.7369) 272 else if ((iso == 0) && (plab < 1.7369)) {
277 snnpit = xsiso; 273 snnpit = xsiso;
278 if (snnpit < 1.e-8) snnpit=0.; 274 if (snnpit < 1.e-8) snnpit=0.;
279 return snnpit; 275 return snnpit;
280 } 276 }
281 277
282 //s11pz 278 //s11pz
283 if (plab > 18.) { 279 if (plab > 18.) {
284 s11pz=55.185/std::pow((0.1412*plab 280 s11pz=55.185/std::pow((0.1412*plab+5),2);
285 } 281 }
286 else if (plab > 13.9) { 282 else if (plab > 13.9) {
287 G4double alp=std::log(plab); 283 G4double alp=std::log(plab);
288 s11pz=6.67-13.3*std::pow(plab, -6. 284 s11pz=6.67-13.3*std::pow(plab, -6.18)+0.456*alp*alp-3.29*alp;
289 } 285 }
290 else if (plab >= 0.7765) { 286 else if (plab >= 0.7765) {
291 const G4double b=BystrickyEvaluato 287 const G4double b=BystrickyEvaluator<7>::eval(plab,s11pzOOT,s11pzHC);
292 s11pz=b*b; 288 s11pz=b*b;
293 } 289 }
294 //s01pp 290 //s01pp
295 if (plab >= 0.79624) { 291 if (plab >= 0.79624) {
296 const G4double b=BystrickyEvaluato 292 const G4double b=BystrickyEvaluator<8>::eval(plab,s01ppOOT,s01ppHC);
297 s01pp=b*b; 293 s01pp=b*b;
298 } 294 }
299 295
300 // channel T=1 296 // channel T=1
301 snnpit1=s11pz+s01pp; 297 snnpit1=s11pz+s01pp;
302 if (snnpit1 < 1.e-8) snnpit1=0.; 298 if (snnpit1 < 1.e-8) snnpit1=0.;
303 if (iso != 0) { 299 if (iso != 0) {
304 return snnpit1; 300 return snnpit1;
305 } 301 }
306 302
307 //s01pz 303 //s01pz
308 if (plab > 4.5) { 304 if (plab > 4.5) {
309 s01pz=15289.4/std::pow((11.573*pla 305 s01pz=15289.4/std::pow((11.573*plab+5),2);
310 } 306 }
311 else if (plab >= 0.777) { 307 else if (plab >= 0.777) {
312 const G4double b=BystrickyEvaluato 308 const G4double b=BystrickyEvaluator<4>::eval(plab,s01pzOOT,s01pzHC);
313 s01pz=b*b; 309 s01pz=b*b;
314 } 310 }
315 //s11pm 311 //s11pm
316 if (plab > 14.) { 312 if (plab > 14.) {
317 s11pm=46.68/std::pow((0.2231*plab+ 313 s11pm=46.68/std::pow((0.2231*plab+5),2);
318 } 314 }
319 else if (plab >= 0.788) { 315 else if (plab >= 0.788) {
320 const G4double b=BystrickyEvaluato 316 const G4double b=BystrickyEvaluator<4>::eval(plab,s11pmOOT,s11pmHC);
321 s11pm=b*b; 317 s11pm=b*b;
322 } 318 }
323 319
324 // channel T=0 320 // channel T=0
325 // snnpit=s01pz+2*s11pm-snnpit1; //modi << 321 snnpit=2*(s01pz+2*s11pm)-snnpit1;
326 snnpit = 2*(s01pz+2*s11pm)-snnpit1; <<
327 if (snnpit < 1.e-8) snnpit=0.; 322 if (snnpit < 1.e-8) snnpit=0.;
328 return snnpit; 323 return snnpit;
329 } 324 }
330 325
331 G4double CrossSectionsMultiPions::NNTwoPi( 326 G4double CrossSectionsMultiPions::NNTwoPi(const G4double ener, const G4int iso, const G4double xsiso) {
332 327
333 /* Article J. Physique 48 (1987)1901-1 328 /* Article J. Physique 48 (1987)1901-1924 "Energy dependence of nucleon-cucleon inelastic total cross-sections."
334 J. Bystricky, P. La France, F. Leha 329 J. Bystricky, P. La France, F. Lehar, F. Perrot, T. Siemiarczuk & P. Winternitz
335 S12PM : pp -> pp Pi+ Pi- 330 S12PM : pp -> pp Pi+ Pi-
336 S12ZZ : pp -> pp Pi0 Pi0 331 S12ZZ : pp -> pp Pi0 Pi0
337 S12PP : pp -> nn Pi+ Pi+ 332 S12PP : pp -> nn Pi+ Pi+
338 S02PZ : pp -> pn Pi+ Pi0 333 S02PZ : pp -> pn Pi+ Pi0
339 S02PM : pn -> pn Pi+ Pi- 334 S02PM : pn -> pn Pi+ Pi-
340 S12MZ : pn -> pp Pi- Pi0 335 S12MZ : pn -> pp Pi- Pi0
341 */ 336 */
342 337
343 const G4double s = ener*ener; 338 const G4double s = ener*ener;
344 G4double plab = 0.001*KinematicsUtils: 339 G4double plab = 0.001*KinematicsUtils::momentumInLab(s, ParticleTable::effectiveNucleonMass, ParticleTable::effectiveNucleonMass);
345 340
346 G4double snn2pit=0.; 341 G4double snn2pit=0.;
347 G4double s12pm=0.; 342 G4double s12pm=0.;
348 G4double s12pp=0.; 343 G4double s12pp=0.;
349 G4double s12zz=0.; 344 G4double s12zz=0.;
350 G4double s02pz=0.; 345 G4double s02pz=0.;
351 G4double s02pm=0.; 346 G4double s02pm=0.;
352 G4double s12mz=0.; 347 G4double s12mz=0.;
353 348
354 if (iso==0 && plab<3.33) { << 349 if (iso==0 && plab<3.3) {
355 snn2pit = xsiso - NNOnePiOrDelta(e 350 snn2pit = xsiso - NNOnePiOrDelta(ener, iso, xsiso);
356 if (snn2pit < 1.e-8) snn2pit=0.; 351 if (snn2pit < 1.e-8) snn2pit=0.;
357 return snn2pit; 352 return snn2pit;
358 } 353 }
359 354
360 if (iso != 0) { 355 if (iso != 0) {
361 //s12pm 356 //s12pm
362 if (plab > 15.) { 357 if (plab > 15.) {
363 s12pm=25.977/plab; 358 s12pm=25.977/plab;
364 } 359 }
365 else if (plab >= 1.3817) { 360 else if (plab >= 1.3817) {
366 const G4double b=BystrickyEvaluato 361 const G4double b=BystrickyEvaluator<5>::eval(plab,s12pmOOT,s12pmHC);
367 s12pm=b*b; 362 s12pm=b*b;
368 } 363 }
369 //s12pp 364 //s12pp
370 if (plab > 10.) { 365 if (plab > 10.) {
371 s12pp=141.505/std::pow((-0.1016*pl 366 s12pp=141.505/std::pow((-0.1016*plab-7),2);
372 } 367 }
373 else if (plab >= 1.5739) { 368 else if (plab >= 1.5739) {
374 const G4double b=BystrickyEvaluato 369 const G4double b=BystrickyEvaluator<3>::eval(plab,s12ppOOT,s12ppHC);
375 s12pp=b*b; 370 s12pp=b*b;
376 } 371 }
377 } 372 }
378 //s12zz 373 //s12zz
379 if (plab > 4.) { 374 if (plab > 4.) {
380 s12zz=97.355/std::pow((1.1579*plab 375 s12zz=97.355/std::pow((1.1579*plab+5),2);
381 } 376 }
382 else if (plab >= 1.72207) { 377 else if (plab >= 1.72207) {
383 const G4double b=BystrickyEvaluato 378 const G4double b=BystrickyEvaluator<4>::eval(plab,s12zzOOT,s12zzHC);
384 s12zz=b*b; 379 s12zz=b*b;
385 } 380 }
386 //s02pz 381 //s02pz
387 if (plab > 4.5) { 382 if (plab > 4.5) {
388 s02pz=178.082/std::pow((0.2014*pla 383 s02pz=178.082/std::pow((0.2014*plab+5),2);
389 } 384 }
390 else if (plab >= 1.5656) { 385 else if (plab >= 1.5656) {
391 const G4double b=BystrickyEvaluato 386 const G4double b=BystrickyEvaluator<4>::eval(plab,s02pzOOT,s02pzHC);
392 s02pz=b*b; 387 s02pz=b*b;
393 } 388 }
394 389
395 // channel T=1 390 // channel T=1
396 if (iso != 0) { 391 if (iso != 0) {
397 snn2pit=s12pm+s12pp+s12zz+s02pz; 392 snn2pit=s12pm+s12pp+s12zz+s02pz;
398 if (snn2pit < 1.e-8) snn2pit=0.; 393 if (snn2pit < 1.e-8) snn2pit=0.;
399 return snn2pit; 394 return snn2pit;
400 } 395 }
401 396
402 //s02pm 397 //s02pm
403 if (plab > 5.) { 398 if (plab > 5.) {
404 s02pm=135.826/std::pow(plab,2); 399 s02pm=135.826/std::pow(plab,2);
405 } 400 }
406 else if (plab >= 1.21925) { 401 else if (plab >= 1.21925) {
407 const G4double b=BystrickyEvaluato 402 const G4double b=BystrickyEvaluator<6>::eval(plab,s02pmOOT,s02pmHC);
408 s02pm=b*b; 403 s02pm=b*b;
409 } 404 }
410 //s12mz 405 //s12mz
411 if (plab >= 1.29269) { 406 if (plab >= 1.29269) {
412 const G4double b=BystrickyEvaluato 407 const G4double b=BystrickyEvaluator<4>::eval(plab,s12mzOOT,s12mzHC);
413 s12mz=b*b; 408 s12mz=b*b;
414 } 409 }
415 410
416 // channel T=0 411 // channel T=0
417 // snn2pit=3*(0.5*s02pm+0.5*s12mz-0.5*s <<
418 snn2pit=3*(s02pm+0.5*s12mz-0.5*s02pz-s 412 snn2pit=3*(s02pm+0.5*s12mz-0.5*s02pz-s12zz);
419 if (snn2pit < 1.e-8) snn2pit=0.; 413 if (snn2pit < 1.e-8) snn2pit=0.;
420 return snn2pit; 414 return snn2pit;
421 } 415 }
422 416
423 G4double CrossSectionsMultiPions::NNThreeP 417 G4double CrossSectionsMultiPions::NNThreePi(const G4double ener, const G4int iso, const G4double xsiso, const G4double xs1pi, const G4double xs2pi) {
424 418
425 const G4double s = ener*ener; 419 const G4double s = ener*ener;
426 G4double plab = 0.001*KinematicsUtils: 420 G4double plab = 0.001*KinematicsUtils::momentumInLab(s, ParticleTable::effectiveNucleonMass, ParticleTable::effectiveNucleonMass);
427 421
428 G4double snn3pit=0.; 422 G4double snn3pit=0.;
429 423
430 if (iso == 0) { 424 if (iso == 0) {
431 // channel T=0 425 // channel T=0
432 if (plab > 7.2355) { 426 if (plab > 7.2355) {
433 return 46.72/std::pow((plab - 427 return 46.72/std::pow((plab - 5.8821),2);
434 } 428 }
435 else { 429 else {
436 snn3pit=xsiso-xs1pi-xs2pi; 430 snn3pit=xsiso-xs1pi-xs2pi;
437 if (snn3pit < 1.e-8) snn3pit=0 431 if (snn3pit < 1.e-8) snn3pit=0.;
438 return snn3pit; 432 return snn3pit;
439 } 433 }
440 } 434 }
441 else { 435 else {
442 // channel T=1 436 // channel T=1
443 if (plab > 7.206) { 437 if (plab > 7.206) {
444 return 5592.92/std::pow((plab+ 438 return 5592.92/std::pow((plab+14.9764),2);
445 } 439 }
446 else if (plab > 2.1989){ 440 else if (plab > 2.1989){
447 snn3pit=xsiso-xs1pi-xs2pi; 441 snn3pit=xsiso-xs1pi-xs2pi;
448 if (snn3pit < 1.e-8) snn3pit=0 442 if (snn3pit < 1.e-8) snn3pit=0.;
449 return snn3pit; 443 return snn3pit;
450 } 444 }
451 else return snn3pit; 445 else return snn3pit;
452 } 446 }
453 } 447 }
454 448
455 G4double CrossSectionsMultiPions::NNOnePi( 449 G4double CrossSectionsMultiPions::NNOnePi(Particle const * const particle1, Particle const * const particle2) {
456 // Cross section for nucleon-nucleon d 450 // Cross section for nucleon-nucleon directly producing one pion
457 451
458 const G4int iso=ParticleTable::getIsos 452 const G4int iso=ParticleTable::getIsospin(particle1->getType()) + ParticleTable::getIsospin(particle2->getType());
459 if (iso!=0) // If pp or nn we choose t << 453 if (iso!=0)
460 return 0.; 454 return 0.;
461 455
462 const G4double ener=KinematicsUtils::t 456 const G4double ener=KinematicsUtils::totalEnergyInCM(particle1, particle2);
463 457
464 const G4double xsiso2=NNInelasticIso(e 458 const G4double xsiso2=NNInelasticIso(ener, 2);
465 const G4double xsiso0=NNInelasticIso(e 459 const G4double xsiso0=NNInelasticIso(ener, 0);
466 return 0.25*(NNOnePiOrDelta(ener, 0, x 460 return 0.25*(NNOnePiOrDelta(ener, 0, xsiso0)+ NNOnePiOrDelta(ener, 2, xsiso2));
467 } 461 }
468 462
469 G4double CrossSectionsMultiPions::NNOnePiO 463 G4double CrossSectionsMultiPions::NNOnePiOrDelta(Particle const * const particle1, Particle const * const particle2) {
470 // Cross section for nucleon-nucleon d 464 // Cross section for nucleon-nucleon directly producing one pion or producing a nucleon-delta pair
471 const G4double ener=KinematicsUtils::t 465 const G4double ener=KinematicsUtils::totalEnergyInCM(particle1, particle2);
472 const G4int iso=ParticleTable::getIsos 466 const G4int iso=ParticleTable::getIsospin(particle1->getType()) + ParticleTable::getIsospin(particle2->getType());
473 467
474 const G4double xsiso2=NNInelasticIso(e 468 const G4double xsiso2=NNInelasticIso(ener, 2);
475 if (iso != 0) 469 if (iso != 0)
476 return NNOnePiOrDelta(ener, iso, xsi 470 return NNOnePiOrDelta(ener, iso, xsiso2);
477 else { 471 else {
478 const G4double xsiso0=NNInelasticIso 472 const G4double xsiso0=NNInelasticIso(ener, 0);
479 return 0.5*(NNOnePiOrDelta(ener, 0, 473 return 0.5*(NNOnePiOrDelta(ener, 0, xsiso0)+ NNOnePiOrDelta(ener, 2, xsiso2));
480 } 474 }
481 } 475 }
482 476
483 G4double CrossSectionsMultiPions::NNTwoPi( 477 G4double CrossSectionsMultiPions::NNTwoPi(Particle const * const particle1, Particle const * const particle2) {
484 // 478 //
485 // Nucleon-Nucleon producing one p 479 // Nucleon-Nucleon producing one pion cross sections
486 // 480 //
487 const G4double ener=KinematicsUtils::t 481 const G4double ener=KinematicsUtils::totalEnergyInCM(particle1, particle2);
488 const G4int iso=ParticleTable::getIsos 482 const G4int iso=ParticleTable::getIsospin(particle1->getType()) + ParticleTable::getIsospin(particle2->getType());
489 483
490 484
491 const G4double xsiso2=NNInelasticIso(e 485 const G4double xsiso2=NNInelasticIso(ener, 2);
492 if (iso != 0) { 486 if (iso != 0) {
493 return NNTwoPi(ener, 2, xsiso2); 487 return NNTwoPi(ener, 2, xsiso2);
494 } 488 }
495 else { 489 else {
496 const G4double xsiso0=NNInelasticI 490 const G4double xsiso0=NNInelasticIso(ener, 0);
497 return 0.5*(NNTwoPi(ener, 0, xsiso 491 return 0.5*(NNTwoPi(ener, 0, xsiso0)+ NNTwoPi(ener, 2, xsiso2));
498 } 492 }
499 return 0.0; // Should never reach this 493 return 0.0; // Should never reach this point
500 } 494 }
501 495
502 G4double CrossSectionsMultiPions::NNThreeP 496 G4double CrossSectionsMultiPions::NNThreePi(Particle const * const particle1, Particle const * const particle2) {
503 // 497 //
504 // Nucleon-Nucleon producing one p 498 // Nucleon-Nucleon producing one pion cross sections
505 // 499 //
506 500
507 const G4double ener=KinematicsUtils::t 501 const G4double ener=KinematicsUtils::totalEnergyInCM(particle1, particle2);
508 const G4int iso=ParticleTable::getIsos 502 const G4int iso=ParticleTable::getIsospin(particle1->getType()) + ParticleTable::getIsospin(particle2->getType());
509 503
510 504
511 const G4double xsiso2=NNInelasticIso(e 505 const G4double xsiso2=NNInelasticIso(ener, 2);
512 const G4double xs1pi2=NNOnePiOrDelta(e 506 const G4double xs1pi2=NNOnePiOrDelta(ener, 2, xsiso2);
513 const G4double xs2pi2=NNTwoPi(ener, 2, 507 const G4double xs2pi2=NNTwoPi(ener, 2, xsiso2);
514 if (iso != 0) 508 if (iso != 0)
515 return NNThreePi(ener, 2, xsiso2, xs 509 return NNThreePi(ener, 2, xsiso2, xs1pi2, xs2pi2);
516 else { 510 else {
517 const G4double xsiso0=NNInelasticIso 511 const G4double xsiso0=NNInelasticIso(ener, 0);
518 const G4double xs1pi0=NNOnePiOrDelta 512 const G4double xs1pi0=NNOnePiOrDelta(ener, 0, xsiso0);
519 const G4double xs2pi0=NNTwoPi(ener, 513 const G4double xs2pi0=NNTwoPi(ener, 0, xsiso0);
520 return 0.5*(NNThreePi(ener, 0, xsiso 514 return 0.5*(NNThreePi(ener, 0, xsiso0, xs1pi0, xs2pi0)+ NNThreePi(ener, 2, xsiso2, xs1pi2, xs2pi2));
521 } 515 }
522 } 516 }
523 517
524 G4double CrossSectionsMultiPions::NNFourPi 518 G4double CrossSectionsMultiPions::NNFourPi(Particle const * const particle1, Particle const * const particle2) {
525 const G4double s = KinematicsUtils::squa 519 const G4double s = KinematicsUtils::squareTotalEnergyInCM(particle1, particle2);
526 if(s<6.25E6) 520 if(s<6.25E6)
527 return 0.; 521 return 0.;
528 const G4double sigma = NNTot(particle1, 522 const G4double sigma = NNTot(particle1, particle2) - NNElastic(particle1, particle2) - NNOnePiOrDelta(particle1, particle2) - NNTwoPi(particle1, particle2) - NNThreePi(particle1, particle2);
529 return ((sigma>1.e-9) ? sigma : 0.); 523 return ((sigma>1.e-9) ? sigma : 0.);
530 } 524 }
531 525
532 G4double CrossSectionsMultiPions::NNToxPiN 526 G4double CrossSectionsMultiPions::NNToxPiNN(const G4int xpi, Particle const * const particle1, Particle const * const particle2) {
533 // 527 //
534 // Nucleon-Nucleon producing xpi pio 528 // Nucleon-Nucleon producing xpi pions cross sections
535 // 529 //
536 // assert(xpi>0 && xpi<=nMaxPiNN); 530 // assert(xpi>0 && xpi<=nMaxPiNN);
537 // assert(particle1->isNucleon() && particle2- 531 // assert(particle1->isNucleon() && particle2->isNucleon());
538 532
539 if (xpi == 1) 533 if (xpi == 1)
540 return NNOnePi(particle1, particle2); 534 return NNOnePi(particle1, particle2);
541 else if (xpi == 2) 535 else if (xpi == 2)
542 return NNTwoPi(particle1, particle2); 536 return NNTwoPi(particle1, particle2);
543 else if (xpi == 3) 537 else if (xpi == 3)
544 return NNThreePi(particle1, particle2) 538 return NNThreePi(particle1, particle2);
545 else if (xpi == 4) 539 else if (xpi == 4)
546 return NNFourPi(particle1, particle2); 540 return NNFourPi(particle1, particle2);
547 else // should never reach this point 541 else // should never reach this point
548 return 0.; 542 return 0.;
549 } 543 }
550 544
551 545
552 G4double CrossSectionsMultiPions::spnPiPlusP 546 G4double CrossSectionsMultiPions::spnPiPlusPHE(const G4double x) {
553 // HE and LE pi- p and pi+ n 547 // HE and LE pi- p and pi+ n
554 G4double ramass = 0.0; 548 G4double ramass = 0.0;
555 549
556 if(x <= 1306.78) { << 550 if(x <= 1306.0) {
557 G4double y = x*x; 551 G4double y = x*x;
558 G4double q2; 552 G4double q2;
559 q2=(y-std::pow(1076.0, 2))*(y-std::pow( 553 q2=(y-std::pow(1076.0, 2))*(y-std::pow(800.0, 2))/(4.0*y);
560 if (q2 > 0.) { 554 if (q2 > 0.) {
561 G4double q3=std::pow(q2, 3./2.); 555 G4double q3=std::pow(q2, 3./2.);
562 G4double f3=q3/(q3+std::pow(180.0, 3 556 G4double f3=q3/(q3+std::pow(180.0, 3));
563 G4double sdel; 557 G4double sdel;
564 sdel=326.5/(std::pow((x-1215.0-ramass)*2.0 558 sdel=326.5/(std::pow((x-1215.0-ramass)*2.0/110.0,2)+1.0);
565 return sdel*f3*(1.0-5.0*ramass/1215.0); 559 return sdel*f3*(1.0-5.0*ramass/1215.0);
566 } 560 }
567 else { 561 else {
568 return 0; 562 return 0;
569 } 563 }
570 } 564 }
571 if(x <= 1754.0) { 565 if(x <= 1754.0) {
572 return -2.33730e-06*std::pow(x, 3)+1.138 566 return -2.33730e-06*std::pow(x, 3)+1.13819e-02*std::pow(x,2)
573 -1.83993e+01*x+9893.4; 567 -1.83993e+01*x+9893.4;
574 } else if (x <= 2150.0) { 568 } else if (x <= 2150.0) {
575 return 1.13531e-06*std::pow(x, 3)-6.9169 569 return 1.13531e-06*std::pow(x, 3)-6.91694e-03*std::pow(x, 2)
576 +1.39907e+01*x-9360.76; 570 +1.39907e+01*x-9360.76;
577 } else { 571 } else {
578 return -3.18087*std::log(x)+52.9784; 572 return -3.18087*std::log(x)+52.9784;
579 } 573 }
580 } 574 }
581 575
582 G4double CrossSectionsMultiPions::spnPiMinus 576 G4double CrossSectionsMultiPions::spnPiMinusPHE(const G4double x) {
583 // HE pi- p and pi+ n 577 // HE pi- p and pi+ n
584 G4double ramass = 0.0; 578 G4double ramass = 0.0;
585 579
586 if(x <= 1275.8) { 580 if(x <= 1275.8) {
587 G4double y = x*x; 581 G4double y = x*x;
588 G4double q2; 582 G4double q2;
589 q2=(y-std::pow(1076.0, 2))*(y-std::pow( 583 q2=(y-std::pow(1076.0, 2))*(y-std::pow(800.0, 2))/(4.0*y);
590 if (q2 > 0.) { 584 if (q2 > 0.) {
591 G4double q3=std::pow(q2, 3./2.); 585 G4double q3=std::pow(q2, 3./2.);
592 G4double f3=q3/(q3+std::pow(180.0, 3 586 G4double f3=q3/(q3+std::pow(180.0, 3));
593 G4double sdel; 587 G4double sdel;
594 sdel=326.5/(std::pow((x-1215.0-ramass)*2.0 588 sdel=326.5/(std::pow((x-1215.0-ramass)*2.0/110.0,2)+1.0);
595 return sdel*f3*(1.0-5.0*ramass/1215.0)/3.; 589 return sdel*f3*(1.0-5.0*ramass/1215.0)/3.;
596 } 590 }
597 else { 591 else {
598 return 0; 592 return 0;
599 } 593 }
600 } 594 }
601 if(x <= 1495.0) { 595 if(x <= 1495.0) {
602 return 0.00120683*(x-1372.52)*(x-1372.52 596 return 0.00120683*(x-1372.52)*(x-1372.52)+26.2058;
603 } else if(x <= 1578.0) { 597 } else if(x <= 1578.0) {
604 return 1.15873e-05*x*x+49965.6/((x-1519. 598 return 1.15873e-05*x*x+49965.6/((x-1519.59)*(x-1519.59)+2372.55);
605 } else if(x <= 2028.4) { 599 } else if(x <= 2028.4) {
606 return 34.0248+43262.2/((x-1681.65)*(x-1 600 return 34.0248+43262.2/((x-1681.65)*(x-1681.65)+1689.35);
607 } else if(x <= 7500.0) { 601 } else if(x <= 7500.0) {
608 return 3.3e-7*(x-7500.0)*(x-7500.0)+24.5 602 return 3.3e-7*(x-7500.0)*(x-7500.0)+24.5;
609 } else { 603 } else {
610 return 24.5; 604 return 24.5;
611 } 605 }
612 } 606 }
613 607
614 G4double CrossSectionsMultiPions::total(Part 608 G4double CrossSectionsMultiPions::total(Particle const * const p1, Particle const * const p2) {
615 G4double inelastic; 609 G4double inelastic;
616 if(p1->isNucleon() && p2->isNucleon()) { 610 if(p1->isNucleon() && p2->isNucleon()) {
617 return NNTot(p1, p2); 611 return NNTot(p1, p2);
618 } else if((p1->isNucleon() && p2->isDelta( 612 } else if((p1->isNucleon() && p2->isDelta()) ||
619 (p1->isDelta() && p2->isNucleon( 613 (p1->isDelta() && p2->isNucleon())) {
620 inelastic = NDeltaToNN(p1, p2); 614 inelastic = NDeltaToNN(p1, p2);
621 } else if((p1->isNucleon() && p2->isPion() 615 } else if((p1->isNucleon() && p2->isPion()) ||
622 (p1->isPion() && p2->isNucleon() 616 (p1->isPion() && p2->isNucleon())) {
623 return piNTot(p1,p2); 617 return piNTot(p1,p2);
624 } else { 618 } else {
625 inelastic = 0.; 619 inelastic = 0.;
626 } 620 }
627 621
628 return inelastic + elastic(p1, p2); 622 return inelastic + elastic(p1, p2);
629 } 623 }
630 624
631 625
632 G4double CrossSectionsMultiPions::piNIne(Par 626 G4double CrossSectionsMultiPions::piNIne(Particle const * const particle1, Particle const * const particle2) {
633 // piN inelastic cross section (Delta 627 // piN inelastic cross section (Delta excluded)
634 628
635 const Particle *pion; 629 const Particle *pion;
636 const Particle *nucleon; 630 const Particle *nucleon;
637 if(particle1->isNucleon()) { 631 if(particle1->isNucleon()) {
638 nucleon = particle1; 632 nucleon = particle1;
639 pion = particle2; 633 pion = particle2;
640 } else { 634 } else {
641 pion = particle1; 635 pion = particle1;
642 nucleon = particle2; 636 nucleon = particle2;
643 } 637 }
644 // assert(pion->isPion()); 638 // assert(pion->isPion());
645 639
646 const G4double pLab = KinematicsUtils::mom 640 const G4double pLab = KinematicsUtils::momentumInLab(pion, nucleon);
647 641
648 // these limits correspond to sqrt(s)=1230 642 // these limits correspond to sqrt(s)=1230 and 20000 MeV
649 if(pLab>212677. || pLab<296.367) 643 if(pLab>212677. || pLab<296.367)
650 return 0.0; 644 return 0.0;
651 645
652 const G4int ipit3 = ParticleTable::getIsos 646 const G4int ipit3 = ParticleTable::getIsospin(pion->getType());
653 const G4int ind2t3 = ParticleTable::getIso 647 const G4int ind2t3 = ParticleTable::getIsospin(nucleon->getType());
654 const G4int cg = 4 + ind2t3*ipit3; 648 const G4int cg = 4 + ind2t3*ipit3;
655 // assert(cg==2 || cg==4 || cg==6); 649 // assert(cg==2 || cg==4 || cg==6);
656 650
657 // const G4double p1=1e-3*pLab; 651 // const G4double p1=1e-3*pLab;
658 // const G4double p2=std::log(p1); 652 // const G4double p2=std::log(p1);
659 G4double xpipp = 0.0; 653 G4double xpipp = 0.0;
660 G4double xpimp = 0.0; 654 G4double xpimp = 0.0;
661 655
662 if(cg!=2) { 656 if(cg!=2) {
663 // x-section pi+ p inelastique : 657 // x-section pi+ p inelastique :
664 xpipp=piPluspIne(pion,nucleon); 658 xpipp=piPluspIne(pion,nucleon);
665 659
666 if(cg==6) // cas pi+ p et pi- n 660 if(cg==6) // cas pi+ p et pi- n
667 return xpipp; 661 return xpipp;
668 } 662 }
669 663
670 // x-section pi- p inelastique : 664 // x-section pi- p inelastique :
671 xpimp=piMinuspIne(pion,nucleon); 665 xpimp=piMinuspIne(pion,nucleon);
672 666
673 if(cg==2) // cas pi- p et pi+ n 667 if(cg==2) // cas pi- p et pi+ n
674 return xpimp; 668 return xpimp;
675 else // cas pi0 p et pi0 n 669 else // cas pi0 p et pi0 n
676 return 0.5*(xpipp+xpimp); 670 return 0.5*(xpipp+xpimp);
677 } 671 }
678 672
679 G4double CrossSectionsMultiPions::piNToDelta 673 G4double CrossSectionsMultiPions::piNToDelta(Particle const * const particle1, Particle const * const particle2) {
680 // piN Delta production 674 // piN Delta production
681 675
682 G4double x = KinematicsUtils::totalEnergyI 676 G4double x = KinematicsUtils::totalEnergyInCM(particle1, particle2);
683 if(x>20000.) return 0.0; // no cross secti 677 if(x>20000.) return 0.0; // no cross section above this value
684 678
685 G4int ipit3 = 0; 679 G4int ipit3 = 0;
686 G4int ind2t3 = 0; 680 G4int ind2t3 = 0;
687 const G4double ramass = 0.0; 681 const G4double ramass = 0.0;
688 682
689 if(particle1->isPion()) { 683 if(particle1->isPion()) {
690 ipit3 = ParticleTable::getIsospin(partic 684 ipit3 = ParticleTable::getIsospin(particle1->getType());
691 ind2t3 = ParticleTable::getIsospin(parti 685 ind2t3 = ParticleTable::getIsospin(particle2->getType());
692 } else if(particle2->isPion()) { 686 } else if(particle2->isPion()) {
693 ipit3 = ParticleTable::getIsospin(partic 687 ipit3 = ParticleTable::getIsospin(particle2->getType());
694 ind2t3 = ParticleTable::getIsospin(parti 688 ind2t3 = ParticleTable::getIsospin(particle1->getType());
695 } 689 }
696 690
697 const G4double y=x*x; 691 const G4double y=x*x;
698 const G4double q2=(y-1076.0*1076.0)*(y-800 692 const G4double q2=(y-1076.0*1076.0)*(y-800.0*800.0)/y/4.0;
699 if (q2 <= 0.) { 693 if (q2 <= 0.) {
700 return 0.0; 694 return 0.0;
701 } 695 }
702 const G4double q3 = std::pow(std::sqrt(q2) 696 const G4double q3 = std::pow(std::sqrt(q2),3);
703 const G4double f3 = q3/(q3 + 5832000.); // 697 const G4double f3 = q3/(q3 + 5832000.); // 5832000 = 180^3
704 G4double sdelResult = 326.5/(std::pow((x-1 698 G4double sdelResult = 326.5/(std::pow((x-1215.0-ramass)*2.0/(110.0-ramass), 2)+1.0);
705 sdelResult = sdelResult*(1.0-5.0*ramass/12 699 sdelResult = sdelResult*(1.0-5.0*ramass/1215.0);
706 const G4int cg = 4 + ind2t3*ipit3; 700 const G4int cg = 4 + ind2t3*ipit3;
707 sdelResult = sdelResult*f3*cg/6.0; 701 sdelResult = sdelResult*f3*cg/6.0;
708 702
709 return sdelResult; 703 return sdelResult;
710 } 704 }
711 705
712 G4double CrossSectionsMultiPions::piNTot(Par 706 G4double CrossSectionsMultiPions::piNTot(Particle const * const particle1, Particle const * const particle2) {
713 // FUNCTION SPN(X,IND2T3,IPIT3,f17) 707 // FUNCTION SPN(X,IND2T3,IPIT3,f17)
714 // SIGMA(PI+ + P) IN THE (3,3) REGION 708 // SIGMA(PI+ + P) IN THE (3,3) REGION
715 // NEW FIT BY J.VANDERMEULEN + FIT BY Th 709 // NEW FIT BY J.VANDERMEULEN + FIT BY Th AOUST ABOVE (3,3) RES
716 // CONST AT L 710 // CONST AT LOW AND VERY HIGH ENERGY
717 // COMMON/BL8/RATHR,RAMASS 711 // COMMON/BL8/RATHR,RAMASS REL21800
718 // integer f17 712 // integer f17
719 // RATHR and RAMASS are always 0.0!!! 713 // RATHR and RAMASS are always 0.0!!!
720 714
721 G4double x = KinematicsUtils::totalEnergyI 715 G4double x = KinematicsUtils::totalEnergyInCM(particle1, particle2);
722 716
723 G4int ipit3 = 0; 717 G4int ipit3 = 0;
724 G4int ind2t3 = 0; 718 G4int ind2t3 = 0;
725 719
726 if(particle1->isPion()) { 720 if(particle1->isPion()) {
727 ipit3 = ParticleTable::getIsospin(partic 721 ipit3 = ParticleTable::getIsospin(particle1->getType());
728 ind2t3 = ParticleTable::getIsospin(parti 722 ind2t3 = ParticleTable::getIsospin(particle2->getType());
729 } else if(particle2->isPion()) { 723 } else if(particle2->isPion()) {
730 ipit3 = ParticleTable::getIsospin(partic 724 ipit3 = ParticleTable::getIsospin(particle2->getType());
731 ind2t3 = ParticleTable::getIsospin(parti 725 ind2t3 = ParticleTable::getIsospin(particle1->getType());
732 } 726 }
733 727
734 G4double spnResult=0.0; 728 G4double spnResult=0.0;
735 729
736 // HE pi+ p and pi- n 730 // HE pi+ p and pi- n
737 if((ind2t3 == 1 && ipit3 == 2) || (ind2t 731 if((ind2t3 == 1 && ipit3 == 2) || (ind2t3 == -1 && ipit3 == -2))
738 spnResult=spnPiPlusPHE(x); 732 spnResult=spnPiPlusPHE(x);
739 else if((ind2t3 == 1 && ipit3 == -2) || 733 else if((ind2t3 == 1 && ipit3 == -2) || (ind2t3 == -1 && ipit3 == 2))
740 spnResult=spnPiMinusPHE(x); 734 spnResult=spnPiMinusPHE(x);
741 else if(ipit3 == 0) spnResult = (spnPiPl 735 else if(ipit3 == 0) spnResult = (spnPiPlusPHE(x) + spnPiMinusPHE(x))/2.0; // (spnpipphe(x)+spnpimphe(x))/2.0
742 else { 736 else {
743 INCL_ERROR("Unknown configuration!\n" 737 INCL_ERROR("Unknown configuration!\n" << particle1->print() << particle2->print() << '\n');
744 } 738 }
745 739
746 return spnResult; 740 return spnResult;
747 } 741 }
748 742
749 G4double CrossSectionsMultiPions::NDeltaToNN 743 G4double CrossSectionsMultiPions::NDeltaToNN(Particle const * const p1, Particle const * const p2) {
750 const G4int isospin = ParticleTable::getIs 744 const G4int isospin = ParticleTable::getIsospin(p1->getType()) + ParticleTable::getIsospin(p2->getType());
751 if(isospin==4 || isospin==-4) return 0.0; 745 if(isospin==4 || isospin==-4) return 0.0;
752 746
753 G4double s = KinematicsUtils::squareTotalE 747 G4double s = KinematicsUtils::squareTotalEnergyInCM(p1, p2);
754 G4double Ecm = std::sqrt(s); 748 G4double Ecm = std::sqrt(s);
755 G4int deltaIsospin; 749 G4int deltaIsospin;
756 G4double deltaMass; 750 G4double deltaMass;
757 if(p1->isDelta()) { 751 if(p1->isDelta()) {
758 deltaIsospin = ParticleTable::getIsospin 752 deltaIsospin = ParticleTable::getIsospin(p1->getType());
759 deltaMass = p1->getMass(); 753 deltaMass = p1->getMass();
760 } else { 754 } else {
761 deltaIsospin = ParticleTable::getIsospin 755 deltaIsospin = ParticleTable::getIsospin(p2->getType());
762 deltaMass = p2->getMass(); 756 deltaMass = p2->getMass();
763 } 757 }
764 758
765 if(Ecm <= 938.3 + deltaMass) { 759 if(Ecm <= 938.3 + deltaMass) {
766 return 0.0; 760 return 0.0;
767 } 761 }
768 762
769 if(Ecm < 938.3 + deltaMass + 2.0) { 763 if(Ecm < 938.3 + deltaMass + 2.0) {
770 Ecm = 938.3 + deltaMass + 2.0; 764 Ecm = 938.3 + deltaMass + 2.0;
771 s = Ecm*Ecm; 765 s = Ecm*Ecm;
772 } 766 }
773 767
774 const G4double x = (s - 4.*ParticleTable:: 768 const G4double x = (s - 4.*ParticleTable::effectiveNucleonMass2) /
775 (s - std::pow(ParticleTable::effectiveNu 769 (s - std::pow(ParticleTable::effectiveNucleonMass + deltaMass, 2));
776 const G4double y = s/(s - std::pow(deltaMa 770 const G4double y = s/(s - std::pow(deltaMass - ParticleTable::effectiveNucleonMass, 2));
777 /* Concerning the way we calculate the lab 771 /* Concerning the way we calculate the lab momentum, see the considerations
778 * in CrossSections::elasticNNLegacy(). 772 * in CrossSections::elasticNNLegacy().
779 */ 773 */
780 G4double sDelta; 774 G4double sDelta;
781 const G4double xsiso2=NNInelasticIso(Ecm, 775 const G4double xsiso2=NNInelasticIso(Ecm, 2);
782 if (isospin != 0) 776 if (isospin != 0)
783 sDelta = NNOnePiOrDelta(Ecm, isospin, xs 777 sDelta = NNOnePiOrDelta(Ecm, isospin, xsiso2);
784 else { 778 else {
785 const G4double xsiso0=NNInelasticIso(Ecm 779 const G4double xsiso0=NNInelasticIso(Ecm, 0);
786 sDelta = 0.25*(NNOnePiOrDelta(Ecm, 0, xs 780 sDelta = 0.25*(NNOnePiOrDelta(Ecm, 0, xsiso0)+ NNOnePiOrDelta(Ecm, 2, xsiso2));
787 } 781 }
788 G4double result = 0.5 * x * y * sDelta; 782 G4double result = 0.5 * x * y * sDelta;
789 /* modification for pion-induced cascade ( 783 /* modification for pion-induced cascade (see JC and MC LEMAIRE,NPA489(88)781
790 * result=3.*result 784 * result=3.*result
791 * pi absorption increased also for intern 785 * pi absorption increased also for internal pions (7/3/01)
792 */ 786 */
793 result *= 3.*(32.0 + isospin * isospin * ( 787 result *= 3.*(32.0 + isospin * isospin * (deltaIsospin * deltaIsospin - 5))/64.0;
794 result /= 1.0 + 0.25 * (isospin * isospin) 788 result /= 1.0 + 0.25 * (isospin * isospin);
795 return result; 789 return result;
796 } 790 }
797 791
798 G4double CrossSectionsMultiPions::NNToNDelta 792 G4double CrossSectionsMultiPions::NNToNDelta(Particle const * const p1, Particle const * const p2) {
799 // assert(p1->isNucleon() && p2->isNucleon()); 793 // assert(p1->isNucleon() && p2->isNucleon());
800 const G4int isospin = ParticleTable::getIs 794 const G4int isospin = ParticleTable::getIsospin(p1->getType()) + ParticleTable::getIsospin(p2->getType());
801 G4double sigma = NNOnePiOrDelta(p1, p2); 795 G4double sigma = NNOnePiOrDelta(p1, p2);
802 if(isospin==0) 796 if(isospin==0)
803 sigma *= 0.5; 797 sigma *= 0.5;
804 return sigma; 798 return sigma;
805 } 799 }
806 800
807 G4double CrossSectionsMultiPions::elastic(Pa 801 G4double CrossSectionsMultiPions::elastic(Particle const * const p1, Particle const * const p2) {
808 // if(!p1->isPion() && !p2->isPion()){ 802 // if(!p1->isPion() && !p2->isPion()){
809 if((p1->isNucleon()||p1->isDelta()) && (p2 803 if((p1->isNucleon()||p1->isDelta()) && (p2->isNucleon()||p2->isDelta())){
810 return NNElastic(p1, p2); 804 return NNElastic(p1, p2);
811 } 805 }
812 // else if (p1->isNucleon() || p2->isNucleo 806 // else if (p1->isNucleon() || p2->isNucleon()){
813 else if ((p1->isNucleon() && p2->isPion()) | 807 else if ((p1->isNucleon() && p2->isPion()) || (p2->isNucleon() && p1->isPion())){
814 G4double pielas = piNTot(p1,p2) - piNIne 808 G4double pielas = piNTot(p1,p2) - piNIne(p1,p2) - piNToDelta(p1,p2);
815 if (pielas < 0.){ 809 if (pielas < 0.){
816 pielas = 0.; 810 pielas = 0.;
817 } 811 }
818 // return piNTot(p1,p2) - piNIne(p1,p2) 812 // return piNTot(p1,p2) - piNIne(p1,p2) - piNToDelta(p1,p2);
819 return pielas; 813 return pielas;
820 } 814 }
821 else { 815 else {
822 return 0.0; 816 return 0.0;
823 } 817 }
824 } 818 }
825 819
826 G4double CrossSectionsMultiPions::calculateN 820 G4double CrossSectionsMultiPions::calculateNNAngularSlope(G4double pl, G4int iso) {
827 G4double x = 0.001 * pl; // Change to GeV 821 G4double x = 0.001 * pl; // Change to GeV
828 if(iso != 0) { 822 if(iso != 0) {
829 if(pl <= 2000.0) { 823 if(pl <= 2000.0) {
830 x = std::pow(x, 8); 824 x = std::pow(x, 8);
831 return 5.5e-6 * x/(7.7 + x); 825 return 5.5e-6 * x/(7.7 + x);
832 } else { 826 } else {
833 return (5.34 + 0.67*(x - 2.0)) * 1.0e- 827 return (5.34 + 0.67*(x - 2.0)) * 1.0e-6;
834 } 828 }
835 } else { 829 } else {
836 if(pl < 800.0) { 830 if(pl < 800.0) {
837 G4double b = (7.16 - 1.63*x) * 1.0e-6; 831 G4double b = (7.16 - 1.63*x) * 1.0e-6;
838 return b/(1.0 + std::exp(-(x - 0.45)/0 832 return b/(1.0 + std::exp(-(x - 0.45)/0.05));
839 } else if(pl < 1100.0) { 833 } else if(pl < 1100.0) {
840 return (9.87 - 4.88 * x) * 1.0e-6; 834 return (9.87 - 4.88 * x) * 1.0e-6;
841 } else { 835 } else {
842 return (3.68 + 0.76*x) * 1.0e-6; 836 return (3.68 + 0.76*x) * 1.0e-6;
843 } 837 }
844 } 838 }
845 return 0.0; // Should never reach this poi 839 return 0.0; // Should never reach this point
846 } 840 }
847 841
848 842
849 G4double CrossSectionsMultiPions::piNToxPi 843 G4double CrossSectionsMultiPions::piNToxPiN(const G4int xpi, Particle const * const particle1, Particle const * const particle2) {
850 // 844 //
851 // pion-Nucleon producing xpi pion 845 // pion-Nucleon producing xpi pions cross sections
852 // 846 //
853 const Particle *pion; <<
854 const Particle *nucleon; <<
855 if(particle1->isNucleon()) { <<
856 nucleon = particle1; <<
857 pion = particle2; <<
858 } else { <<
859 pion = particle1; <<
860 nucleon = particle2; <<
861 } <<
862 // assert(xpi>1 && xpi<=nMaxPiPiN); 847 // assert(xpi>1 && xpi<=nMaxPiPiN);
863 // assert((particle1->isNucleon() && particle2 848 // assert((particle1->isNucleon() && particle2->isPion()) || (particle1->isPion() && particle2->isNucleon()));
864 const G4double plab = KinematicsUtils: << 849 if (xpi == 2) {
865 if (xpi == 2) { << 850 G4double OnePi=piNOnePi(particle1,particle2);
866 G4double OnePi=piNOnePi(particle1,partic << 851 if (OnePi < 1.e-09) OnePi = 0.;
867 if (OnePi < 1.e-09) OnePi = 0.; <<
868 return OnePi; 852 return OnePi;
869 } << 853 }
870 else if (xpi == 3){ 854 else if (xpi == 3){
871 G4double TwoPi=piNTwoPi(particle1,partic << 855 G4double TwoPi=piNTwoPi(particle1,particle2);
872 if (TwoPi < 1.e-09) TwoPi = 0.; << 856 if (TwoPi < 1.e-09) TwoPi = 0.;
873 return TwoPi; 857 return TwoPi;
874 } << 858 }
875 else if (xpi == 4) { 859 else if (xpi == 4) {
876 G4double piNThreePi = piNIne(parti 860 G4double piNThreePi = piNIne(particle1,particle2) - piNOnePi(particle1,particle2) - piNTwoPi(particle1,particle2);
877 if (piNThreePi < 1.e-09 || plab < << 861 if (piNThreePi < 1.e-09) piNThreePi = 0.;
878 return piNThreePi; 862 return piNThreePi;
879 } else // should never reach this poin 863 } else // should never reach this point
880 return 0.0; 864 return 0.0;
881 } 865 }
882 866
883 G4double CrossSectionsMultiPions::piNOnePi(P 867 G4double CrossSectionsMultiPions::piNOnePi(Particle const * const particle1, Particle const * const particle2) {
884 const Particle *pion; 868 const Particle *pion;
885 const Particle *nucleon; 869 const Particle *nucleon;
886 if(particle1->isNucleon()) { 870 if(particle1->isNucleon()) {
887 nucleon = particle1; 871 nucleon = particle1;
888 pion = particle2; 872 pion = particle2;
889 } else { 873 } else {
890 pion = particle1; 874 pion = particle1;
891 nucleon = particle2; 875 nucleon = particle2;
892 } 876 }
893 // assert(pion->isPion()); 877 // assert(pion->isPion());
894 878
895 const G4double pLab = KinematicsUtils::mom 879 const G4double pLab = KinematicsUtils::momentumInLab(pion, nucleon);
896 880
897 // this limit corresponds to sqrt(s)=1230 881 // this limit corresponds to sqrt(s)=1230 MeV
898 if(pLab<296.367) 882 if(pLab<296.367)
899 return 0.0; 883 return 0.0;
900 884
901 const G4int ipi = ParticleTable::getIsospi 885 const G4int ipi = ParticleTable::getIsospin(pion->getType());
902 const G4int ind2 = ParticleTable::getIsosp 886 const G4int ind2 = ParticleTable::getIsospin(nucleon->getType());
903 const G4int cg = 4 + ind2*ipi; 887 const G4int cg = 4 + ind2*ipi;
904 // assert(cg==2 || cg==4 || cg==6); 888 // assert(cg==2 || cg==4 || cg==6);
905 889
906 // const G4double p1=1e-3*pLab; 890 // const G4double p1=1e-3*pLab;
907 G4double tamp6=0.; 891 G4double tamp6=0.;
908 G4double tamp2=0.; 892 G4double tamp2=0.;
909 const G4double elas = elastic(particle1, p <<
910 893
911 // X-SECTION PI+ P INELASTIQUE : 894 // X-SECTION PI+ P INELASTIQUE :
912 if(cg != 2) { 895 if(cg != 2) {
913 tamp6=piPluspOnePi(particle1,particle2); 896 tamp6=piPluspOnePi(particle1,particle2);
914 if (cg == 6){ // CAS PI+ P ET PI- N << 897 if (cg == 6) // CAS PI+ P ET PI- N
915 if(tamp6 >= elas && pLab < 410.) tamp6 <<
916 return tamp6; 898 return tamp6;
917 } <<
918 } 899 }
919 900
920 // X-SECTION PI- P INELASTIQUE : 901 // X-SECTION PI- P INELASTIQUE :
921 tamp2=piMinuspOnePi(particle1,particle2); 902 tamp2=piMinuspOnePi(particle1,particle2);
922 if (tamp2 < 0.0) tamp2=0; 903 if (tamp2 < 0.0) tamp2=0;
923 904
924 if (cg == 2) // CAS PI- P ET PI+ N 905 if (cg == 2) // CAS PI- P ET PI+ N
925 return tamp2; 906 return tamp2;
926 else { // CAS PI0 P ET PI0 N 907 else { // CAS PI0 P ET PI0 N
927 G4double s1pin = 0.5*(tamp6+tamp2); 908 G4double s1pin = 0.5*(tamp6+tamp2);
928 const G4double inelastic = piNIne(partic 909 const G4double inelastic = piNIne(particle1, particle2);
929 if(s1pin >= elas && pLab < 410.) s1pin = <<
930 if (s1pin > inelastic) 910 if (s1pin > inelastic)
931 s1pin = inelastic; 911 s1pin = inelastic;
932 return s1pin; 912 return s1pin;
933 } 913 }
934 } 914 }
935 915
936 G4double CrossSectionsMultiPions::piNTwoPi(P 916 G4double CrossSectionsMultiPions::piNTwoPi(Particle const * const particle1, Particle const * const particle2) {
937 // 917 //
938 // pion-nucleon interaction, producing 918 // pion-nucleon interaction, producing 2 pions
939 // fit from Landolt-Bornstein multipli 919 // fit from Landolt-Bornstein multiplied by factor determined with evaluation of total xs
940 // 920 //
941 921
942 const Particle *pion; 922 const Particle *pion;
943 const Particle *nucleon; 923 const Particle *nucleon;
944 if(particle1->isNucleon()) { 924 if(particle1->isNucleon()) {
945 nucleon = particle1; 925 nucleon = particle1;
946 pion = particle2; 926 pion = particle2;
947 } else { 927 } else {
948 pion = particle1; 928 pion = particle1;
949 nucleon = particle2; 929 nucleon = particle2;
950 } 930 }
951 // assert(pion->isPion()); 931 // assert(pion->isPion());
952 932
953 const G4double pLab = KinematicsUtils::mom 933 const G4double pLab = KinematicsUtils::momentumInLab(pion, nucleon);
954 const G4double elas = elastic(pion, nucleo <<
955 934
956 // this limit corresponds to sqrt(s)=1230 935 // this limit corresponds to sqrt(s)=1230 MeV
957 if(pLab<296.367) 936 if(pLab<296.367)
958 return 0.0; 937 return 0.0;
959 938
960 const G4int ipi = ParticleTable::getIsospi 939 const G4int ipi = ParticleTable::getIsospin(pion->getType());
961 const G4int ind2 = ParticleTable::getIsosp 940 const G4int ind2 = ParticleTable::getIsospin(nucleon->getType());
962 const G4int cg = 4 + ind2*ipi; 941 const G4int cg = 4 + ind2*ipi;
963 // assert(cg==2 || cg==4 || cg==6); 942 // assert(cg==2 || cg==4 || cg==6);
964 943
965 G4double tamp6=0.; 944 G4double tamp6=0.;
966 G4double tamp2=0.; 945 G4double tamp2=0.;
967 946
968 // X-SECTION PI+ P INELASTIQUE : 947 // X-SECTION PI+ P INELASTIQUE :
969 if(cg!=2) { 948 if(cg!=2) {
970 tamp6=piPluspTwoPi(particle1,particle2); 949 tamp6=piPluspTwoPi(particle1,particle2);
971 if(cg==6){ // CAS PI+ P ET PI- N << 950
972 if(tamp6 >= elas && pLab < 410.) tamp6 << 951 if(cg==6) // CAS PI+ P ET PI- N
973 return tamp6;} << 952 return tamp6;
974 } 953 }
975 954
976 // X-SECTION PI- P INELASTIQUE : 955 // X-SECTION PI- P INELASTIQUE :
977 tamp2=piMinuspTwoPi(particle1,particle2); 956 tamp2=piMinuspTwoPi(particle1,particle2);
978 957
979 if(cg==2) // CAS PI- P ET PI+ N 958 if(cg==2) // CAS PI- P ET PI+ N
980 return tamp2; 959 return tamp2;
981 else { // CAS PI0 P ET PI0 N 960 else { // CAS PI0 P ET PI0 N
982 const G4double s2pin=0.5*(tamp6+tamp2); 961 const G4double s2pin=0.5*(tamp6+tamp2);
983 return s2pin; 962 return s2pin;
984 } 963 }
985 } 964 }
986 965
987 G4double CrossSectionsMultiPions::piPluspIne 966 G4double CrossSectionsMultiPions::piPluspIne(Particle const * const particle1, Particle const * const particle2) {
988 // piPlusP inelastic cross section (D 967 // piPlusP inelastic cross section (Delta excluded)
989 968
990 const Particle *pion; 969 const Particle *pion;
991 const Particle *nucleon; 970 const Particle *nucleon;
992 if(particle1->isNucleon()) { 971 if(particle1->isNucleon()) {
993 nucleon = particle1; 972 nucleon = particle1;
994 pion = particle2; 973 pion = particle2;
995 } else { 974 } else {
996 pion = particle1; 975 pion = particle1;
997 nucleon = particle2; 976 nucleon = particle2;
998 } 977 }
999 // assert(pion->isPion()); 978 // assert(pion->isPion());
1000 979
1001 const G4double pLab = KinematicsUtils::mo 980 const G4double pLab = KinematicsUtils::momentumInLab(pion, nucleon);
1002 981
1003 // these limits correspond to sqrt(s)=123 982 // these limits correspond to sqrt(s)=1230 and 20000 MeV
1004 if(pLab>212677. || pLab<296.367) 983 if(pLab>212677. || pLab<296.367)
1005 return 0.0; 984 return 0.0;
1006 985
1007 // const G4int ipit3 = ParticleTable::getI 986 // const G4int ipit3 = ParticleTable::getIsospin(pion->getType());
1008 // const G4int ind2t3 = ParticleTable::get 987 // const G4int ind2t3 = ParticleTable::getIsospin(nucleon->getType());
1009 // const G4int cg = 4 + ind2t3*ipit3; 988 // const G4int cg = 4 + ind2t3*ipit3;
1010 // assert(cg==2 || cg==4 || cg==6); 989 // assert(cg==2 || cg==4 || cg==6);
1011 990
1012 const G4double p1=1e-3*pLab; 991 const G4double p1=1e-3*pLab;
1013 const G4double p2=std::log(p1); 992 const G4double p2=std::log(p1);
1014 G4double xpipp = 0.0; 993 G4double xpipp = 0.0;
1015 994
1016 // x-section pi+ p inelastique : 995 // x-section pi+ p inelastique :
1017 if(p1<=0.75) 996 if(p1<=0.75)
1018 xpipp=17.965*std::pow(p1, 5.4606); 997 xpipp=17.965*std::pow(p1, 5.4606);
1019 else 998 else
1020 xpipp=24.3-12.3*std::pow(p1, -1.91)+0.3 999 xpipp=24.3-12.3*std::pow(p1, -1.91)+0.324*p2*p2-2.44*p2;
1021 // cas pi+ p et pi- n 1000 // cas pi+ p et pi- n
1022 return xpipp; 1001 return xpipp;
1023 1002
1024 } 1003 }
1025 1004
1026 G4double CrossSectionsMultiPions::piMinuspI 1005 G4double CrossSectionsMultiPions::piMinuspIne(Particle const * const particle1, Particle const * const particle2) {
1027 // piMinusp inelastic cross section 1006 // piMinusp inelastic cross section (Delta excluded)
1028 1007
1029 const Particle *pion; 1008 const Particle *pion;
1030 const Particle *nucleon; 1009 const Particle *nucleon;
1031 if(particle1->isNucleon()) { 1010 if(particle1->isNucleon()) {
1032 nucleon = particle1; 1011 nucleon = particle1;
1033 pion = particle2; 1012 pion = particle2;
1034 } else { 1013 } else {
1035 pion = particle1; 1014 pion = particle1;
1036 nucleon = particle2; 1015 nucleon = particle2;
1037 } 1016 }
1038 // assert(pion->isPion()); 1017 // assert(pion->isPion());
1039 1018
1040 const G4double pLab = KinematicsUtils::mo 1019 const G4double pLab = KinematicsUtils::momentumInLab(pion, nucleon);
1041 1020
1042 // these limits correspond to sqrt(s)=123 1021 // these limits correspond to sqrt(s)=1230 and 20000 MeV
1043 if(pLab>212677. || pLab<296.367) 1022 if(pLab>212677. || pLab<296.367)
1044 return 0.0; 1023 return 0.0;
1045 1024
1046 // const G4int ipit3 = ParticleTable::getI 1025 // const G4int ipit3 = ParticleTable::getIsospin(pion->getType());
1047 // const G4int ind2t3 = ParticleTable::get 1026 // const G4int ind2t3 = ParticleTable::getIsospin(nucleon->getType());
1048 // const G4int cg = 4 + ind2t3*ipit3; 1027 // const G4int cg = 4 + ind2t3*ipit3;
1049 // assert(cg==2 || cg==4 || cg==6); 1028 // assert(cg==2 || cg==4 || cg==6);
1050 1029
1051 const G4double p1=1e-3*pLab; 1030 const G4double p1=1e-3*pLab;
1052 const G4double p2=std::log(p1); 1031 const G4double p2=std::log(p1);
1053 G4double xpimp = 0.0; 1032 G4double xpimp = 0.0;
1054 1033
1055 // x-section pi- p inelastique : 1034 // x-section pi- p inelastique :
1056 if(p1 <= 0.4731) 1035 if(p1 <= 0.4731)
1057 xpimp=0; 1036 xpimp=0;
1058 else 1037 else
1059 xpimp=26.6-7.18*std::pow(p1, -1.86)+0.3 1038 xpimp=26.6-7.18*std::pow(p1, -1.86)+0.327*p2*p2-2.81*p2;
1060 if(xpimp<0.) 1039 if(xpimp<0.)
1061 xpimp=0; 1040 xpimp=0;
1062 1041
1063 // cas pi- p et pi+ n 1042 // cas pi- p et pi+ n
1064 return xpimp; 1043 return xpimp;
1065 1044
1066 } 1045 }
1067 1046
1068 G4double CrossSectionsMultiPions::piPluspOn 1047 G4double CrossSectionsMultiPions::piPluspOnePi(Particle const * const particle1, Particle const * const particle2) {
1069 const Particle *pion; 1048 const Particle *pion;
1070 const Particle *nucleon; 1049 const Particle *nucleon;
1071 if(particle1->isNucleon()) { 1050 if(particle1->isNucleon()) {
1072 nucleon = particle1; 1051 nucleon = particle1;
1073 pion = particle2; 1052 pion = particle2;
1074 } else { 1053 } else {
1075 pion = particle1; 1054 pion = particle1;
1076 nucleon = particle2; 1055 nucleon = particle2;
1077 } 1056 }
1078 // assert(pion->isPion()); 1057 // assert(pion->isPion());
1079 1058
1080 const G4double pLab = KinematicsUtils::mo 1059 const G4double pLab = KinematicsUtils::momentumInLab(pion, nucleon);
1081 1060
1082 // this limit corresponds to sqrt(s)=1230 1061 // this limit corresponds to sqrt(s)=1230 MeV
1083 if(pLab<296.367) 1062 if(pLab<296.367)
1084 return 0.0; 1063 return 0.0;
1085 1064
1086 // const G4int ipi = ParticleTable::getI 1065 // const G4int ipi = ParticleTable::getIsospin(pion->getType());
1087 // const G4int ind2 = ParticleTable::get 1066 // const G4int ind2 = ParticleTable::getIsospin(nucleon->getType());
1088 // const G4int cg = 4 + ind2*ipi; 1067 // const G4int cg = 4 + ind2*ipi;
1089 // assert(cg==2 || cg==4 || cg==6); 1068 // assert(cg==2 || cg==4 || cg==6);
1090 1069
1091 const G4double p1=1e-3*pLab; 1070 const G4double p1=1e-3*pLab;
1092 G4double tamp6=0.; 1071 G4double tamp6=0.;
1093 1072
1094 // X-SECTION PI+ P INELASTIQUE : 1073 // X-SECTION PI+ P INELASTIQUE :
1095 if(pLab < 1532.52) // corresponds to sqrt 1074 if(pLab < 1532.52) // corresponds to sqrt(s)=1946 MeV
1096 tamp6=piPluspIne(particle1, particle2); 1075 tamp6=piPluspIne(particle1, particle2);
1097 else 1076 else
1098 tamp6=0.204+18.2*std::pow(p1, -1.72)+6. 1077 tamp6=0.204+18.2*std::pow(p1, -1.72)+6.33*std::pow(p1, -1.13);
1099 1078
1100 // CAS PI+ P ET PI- N 1079 // CAS PI+ P ET PI- N
1101 return tamp6; 1080 return tamp6;
1102 1081
1103 } 1082 }
1104 1083
1105 G4double CrossSectionsMultiPions::piMinuspO 1084 G4double CrossSectionsMultiPions::piMinuspOnePi(Particle const * const particle1, Particle const * const particle2) {
1106 const Particle *pion; 1085 const Particle *pion;
1107 const Particle *nucleon; 1086 const Particle *nucleon;
1108 if(particle1->isNucleon()) { 1087 if(particle1->isNucleon()) {
1109 nucleon = particle1; 1088 nucleon = particle1;
1110 pion = particle2; 1089 pion = particle2;
1111 } else { 1090 } else {
1112 pion = particle1; 1091 pion = particle1;
1113 nucleon = particle2; 1092 nucleon = particle2;
1114 } 1093 }
1115 // assert(pion->isPion()); 1094 // assert(pion->isPion());
1116 1095
1117 const G4double pLab = KinematicsUtils::mo 1096 const G4double pLab = KinematicsUtils::momentumInLab(pion, nucleon);
1118 1097
1119 // this limit corresponds to sqrt(s)=1230 1098 // this limit corresponds to sqrt(s)=1230 MeV
1120 if(pLab<296.367) 1099 if(pLab<296.367)
1121 return 0.0; 1100 return 0.0;
1122 1101
1123 // const G4int ipi = ParticleTable::getI 1102 // const G4int ipi = ParticleTable::getIsospin(pion->getType());
1124 // const G4int ind2 = ParticleTable::get 1103 // const G4int ind2 = ParticleTable::getIsospin(nucleon->getType());
1125 // const G4int cg = 4 + ind2*ipi; 1104 // const G4int cg = 4 + ind2*ipi;
1126 // assert(cg==2 || cg==4 || cg==6); 1105 // assert(cg==2 || cg==4 || cg==6);
1127 1106
1128 const G4double p1=1e-3*pLab; 1107 const G4double p1=1e-3*pLab;
1129 G4double tamp2=0.; 1108 G4double tamp2=0.;
1130 1109
1131 // X-SECTION PI- P INELASTIQUE : 1110 // X-SECTION PI- P INELASTIQUE :
1132 if (pLab < 1228.06) // corresponds to sqr 1111 if (pLab < 1228.06) // corresponds to sqrt(s)=1794 MeV
1133 tamp2=piMinuspIne(particle1, particle2) 1112 tamp2=piMinuspIne(particle1, particle2);
1134 else 1113 else
1135 tamp2=9.04*std::pow(p1, -1.17)+18.*std: 1114 tamp2=9.04*std::pow(p1, -1.17)+18.*std::pow(p1, -1.21); // tamp2=9.04*std::pow(p1, -1.17)+(13.5*std::pow(p1, -1.21))*4./3.;
1136 if (tamp2 < 0.0) tamp2=0; 1115 if (tamp2 < 0.0) tamp2=0;
1137 1116
1138 // CAS PI- P ET PI+ N 1117 // CAS PI- P ET PI+ N
1139 return tamp2; 1118 return tamp2;
1140 } 1119 }
1141 1120
1142 G4double CrossSectionsMultiPions::piPluspTw 1121 G4double CrossSectionsMultiPions::piPluspTwoPi(Particle const * const particle1, Particle const * const particle2) {
1143 // 1122 //
1144 // pion-nucleon interaction, producin 1123 // pion-nucleon interaction, producing 2 pions
1145 // fit from Landolt-Bornstein multipl 1124 // fit from Landolt-Bornstein multiplied by factor determined with evaluation of total xs
1146 // 1125 //
1147 1126
1148 const Particle *pion; 1127 const Particle *pion;
1149 const Particle *nucleon; 1128 const Particle *nucleon;
1150 if(particle1->isNucleon()) { 1129 if(particle1->isNucleon()) {
1151 nucleon = particle1; 1130 nucleon = particle1;
1152 pion = particle2; 1131 pion = particle2;
1153 } else { 1132 } else {
1154 pion = particle1; 1133 pion = particle1;
1155 nucleon = particle2; 1134 nucleon = particle2;
1156 } 1135 }
1157 // assert(pion->isPion()); 1136 // assert(pion->isPion());
1158 1137
1159 const G4double pLab = KinematicsUtils::mo 1138 const G4double pLab = KinematicsUtils::momentumInLab(pion, nucleon);
1160 1139
1161 // this limit corresponds to sqrt(s)=1230 1140 // this limit corresponds to sqrt(s)=1230 MeV
1162 if(pLab<296.367) 1141 if(pLab<296.367)
1163 return 0.0; 1142 return 0.0;
1164 1143
1165 // const G4int ipi = ParticleTable::getI 1144 // const G4int ipi = ParticleTable::getIsospin(pion->getType());
1166 // const G4int ind2 = ParticleTable::get 1145 // const G4int ind2 = ParticleTable::getIsospin(nucleon->getType());
1167 // const G4int cg = 4 + ind2*ipi; 1146 // const G4int cg = 4 + ind2*ipi;
1168 // assert(cg==2 || cg==4 || cg==6); 1147 // assert(cg==2 || cg==4 || cg==6);
1169 1148
1170 const G4double p1=1e-3*pLab; 1149 const G4double p1=1e-3*pLab;
1171 G4double tamp6=0.; 1150 G4double tamp6=0.;
1172 1151
1173 // X-SECTION PI+ P INELASTIQUE : 1152 // X-SECTION PI+ P INELASTIQUE :
1174 if(pLab < 2444.7) // corresponds to sqrt( 1153 if(pLab < 2444.7) // corresponds to sqrt(s)=2344 MeV
1175 tamp6=piPluspIne(particle1, particle2)- 1154 tamp6=piPluspIne(particle1, particle2)-piPluspOnePi(particle1, particle2);
1176 else 1155 else
1177 tamp6=1.59+25.5*std::pow(p1, -1.04); // 1156 tamp6=1.59+25.5*std::pow(p1, -1.04); // tamp6=(0.636+10.2*std::pow(p1, -1.04))*15./6.;
1178 1157
1179 // CAS PI+ P ET PI- N 1158 // CAS PI+ P ET PI- N
1180 return tamp6; 1159 return tamp6;
1181 } 1160 }
1182 1161
>> 1162
1183 G4double CrossSectionsMultiPions::piMinus 1163 G4double CrossSectionsMultiPions::piMinuspTwoPi(Particle const * const particle1, Particle const * const particle2) {
1184 // 1164 //
1185 // pion-nucleon interaction, producing 1165 // pion-nucleon interaction, producing 2 pions
1186 // fit from Landolt-Bornstein multiplie 1166 // fit from Landolt-Bornstein multiplied by factor determined with evaluation of total xs
1187 // 1167 //
1188 1168
1189 const Particle *pion; 1169 const Particle *pion;
1190 const Particle *nucleon; 1170 const Particle *nucleon;
1191 if(particle1->isNucleon()) { 1171 if(particle1->isNucleon()) {
1192 nucleon = particle1; 1172 nucleon = particle1;
1193 pion = particle2; 1173 pion = particle2;
1194 } else { 1174 } else {
1195 pion = particle1; 1175 pion = particle1;
1196 nucleon = particle2; 1176 nucleon = particle2;
1197 } 1177 }
1198 // assert(pion->isPion()); 1178 // assert(pion->isPion());
1199 1179
1200 const G4double pLab = KinematicsUtils::mome 1180 const G4double pLab = KinematicsUtils::momentumInLab(pion, nucleon);
1201 1181
1202 // this limit corresponds to sqrt(s)=1230 M 1182 // this limit corresponds to sqrt(s)=1230 MeV
1203 if(pLab<296.367) 1183 if(pLab<296.367)
1204 return 0.0; 1184 return 0.0;
1205 1185
1206 // const G4int ipi = ParticleTable::getIso 1186 // const G4int ipi = ParticleTable::getIsospin(pion->getType());
1207 // const G4int ind2 = ParticleTable::getIs 1187 // const G4int ind2 = ParticleTable::getIsospin(nucleon->getType());
1208 // const G4int cg = 4 + ind2*ipi; 1188 // const G4int cg = 4 + ind2*ipi;
1209 // assert(cg==2 || cg==4 || cg==6); 1189 // assert(cg==2 || cg==4 || cg==6);
1210 1190
1211 const G4double p1=1e-3*pLab; 1191 const G4double p1=1e-3*pLab;
1212 G4double tamp2=0.; 1192 G4double tamp2=0.;
1213 1193
1214 // X-SECTION PI- P INELASTIQUE : 1194 // X-SECTION PI- P INELASTIQUE :
1215 if(pLab<2083.63) // corresponds to sqrt(s)= 1195 if(pLab<2083.63) // corresponds to sqrt(s)=2195 MeV
1216 tamp2=piMinuspIne(particle1, particle2)-p 1196 tamp2=piMinuspIne(particle1, particle2)-piMinuspOnePi(particle1, particle2);
1217 else 1197 else
1218 tamp2=2.457794117647+18.066176470588*std: 1198 tamp2=2.457794117647+18.066176470588*std::pow(p1, -0.92); // tamp2=(0.619+4.55*std::pow(p1, -0.92))*135./34.;
1219 1199
1220 // CAS PI- P ET PI+ N 1200 // CAS PI- P ET PI+ N
1221 return tamp2; 1201 return tamp2;
1222 } 1202 }
1223 1203
1224 <<
1225 <<
1226 1204
1227 G4double CrossSectionsMultiPions::piNToEt 1205 G4double CrossSectionsMultiPions::piNToEtaN(Particle const * const, Particle const * const) {
1228 // 1206 //
1229 // Pion-Nucleon producing Eta cross s 1207 // Pion-Nucleon producing Eta cross sections
1230 // 1208 //
1231 return 0.; 1209 return 0.;
1232 } 1210 }
1233 1211
1234 G4double CrossSectionsMultiPions::piNToOm 1212 G4double CrossSectionsMultiPions::piNToOmegaN(Particle const * const, Particle const * const) {
1235 // 1213 //
1236 // Pion-Nucleon producing Omega cross 1214 // Pion-Nucleon producing Omega cross sections
1237 // 1215 //
1238 return 0.; 1216 return 0.;
1239 } 1217 }
1240 1218
1241 G4double CrossSectionsMultiPions::piNToEt 1219 G4double CrossSectionsMultiPions::piNToEtaPrimeN(Particle const * const, Particle const * const) {
1242 // 1220 //
1243 // Pion-Nucleon producing EtaPrime cr 1221 // Pion-Nucleon producing EtaPrime cross sections
1244 // 1222 //
1245 return 0.; 1223 return 0.;
1246 } 1224 }
1247 1225
1248 G4double CrossSectionsMultiPions::etaNToP 1226 G4double CrossSectionsMultiPions::etaNToPiN(Particle const * const, Particle const * const) {
1249 // 1227 //
1250 // Eta-Nucleon producing Pion cross s 1228 // Eta-Nucleon producing Pion cross sections
1251 // 1229 //
1252 return 0.; 1230 return 0.;
1253 } 1231 }
1254 1232
1255 1233
1256 G4double CrossSectionsMultiPions::etaNTo 1234 G4double CrossSectionsMultiPions::etaNToPiPiN(Particle const * const, Particle const * const) {
1257 // 1235 //
1258 // Eta-Nucleon producing Two Pions cr 1236 // Eta-Nucleon producing Two Pions cross sections
1259 // 1237 //
1260 return 0.; 1238 return 0.;
1261 } 1239 }
1262 1240
1263 1241
1264 G4double CrossSectionsMultiPions::omegaNT 1242 G4double CrossSectionsMultiPions::omegaNToPiN(Particle const * const, Particle const * const) {
1265 // 1243 //
1266 // Omega-Nucleon producing Pion cross 1244 // Omega-Nucleon producing Pion cross sections
1267 // 1245 //
1268 return 0.; 1246 return 0.;
1269 } 1247 }
1270 1248
1271 G4double CrossSectionsMultiPions::omegaNT 1249 G4double CrossSectionsMultiPions::omegaNToPiPiN(Particle const * const, Particle const * const) {
1272 // 1250 //
1273 // Omega-Nucleon producing Two Pions 1251 // Omega-Nucleon producing Two Pions cross sections
1274 // 1252 //
1275 return 0.; 1253 return 0.;
1276 } 1254 }
1277 1255
1278 G4double CrossSectionsMultiPions::etaPrim 1256 G4double CrossSectionsMultiPions::etaPrimeNToPiN(Particle const * const, Particle const * const) {
1279 // 1257 //
1280 // EtaPrime-Nucleon producing Pion cr 1258 // EtaPrime-Nucleon producing Pion cross sections
1281 // 1259 //
1282 return 0.; 1260 return 0.;
1283 } 1261 }
1284 1262
1285 G4double CrossSectionsMultiPions::NNToNNE 1263 G4double CrossSectionsMultiPions::NNToNNEta(Particle const * const, Particle const * const) {
1286 // 1264 //
1287 // Nucleon-Nucleon producing Eta cros 1265 // Nucleon-Nucleon producing Eta cross sections
1288 // 1266 //
1289 return 0.; 1267 return 0.;
1290 } 1268 }
1291 1269
1292 G4double CrossSectionsMultiPions::NNToNNEta << 1270 G4double CrossSectionsMultiPions::NNToNNEtaExclu(Particle const * const, Particle const * const) {
1293 // 1271 //
1294 // Nucleon-Nucleon producing Eta cros 1272 // Nucleon-Nucleon producing Eta cross sections
1295 // 1273 //
1296 return 0.; << 1274 return 0.;
1297 } 1275 }
1298 1276
1299 G4double CrossSectionsMultiPions::NNToNNEta << 1277 G4double CrossSectionsMultiPions::NNToNNEtaxPi(const G4int, Particle const * const, Particle const * const) {
1300 return 0.; << 1278 return 0.;
1301 } 1279 }
1302 1280
1303 G4double CrossSectionsMultiPions::NNToNDe 1281 G4double CrossSectionsMultiPions::NNToNDeltaEta(Particle const * const, Particle const * const) {
1304 // << 1282 //
1305 // Nucleon-Nucleon producing N-Delta- << 1283 // Nucleon-Nucleon producing N-Delta-Eta cross sections
1306 // << 1284 //
1307 return 0.; << 1285 return 0.;
1308 } << 1286 }
1309 << 1287
1310 G4double CrossSectionsMultiPions::NNToNNO 1288 G4double CrossSectionsMultiPions::NNToNNOmega(Particle const * const, Particle const * const) {
1311 // 1289 //
1312 // Nucleon-Nucleon producing Omega cr 1290 // Nucleon-Nucleon producing Omega cross sections
1313 // 1291 //
1314 return 0.; 1292 return 0.;
1315 } 1293 }
1316 1294
1317 G4double CrossSectionsMultiPions::NNToNNO 1295 G4double CrossSectionsMultiPions::NNToNNOmegaExclu(Particle const * const, Particle const * const) {
1318 // 1296 //
1319 // Nucleon-Nucleon producing Omega cr 1297 // Nucleon-Nucleon producing Omega cross sections
1320 // 1298 //
1321 return 0.; 1299 return 0.;
1322 } 1300 }
1323 1301
1324 G4double CrossSectionsMultiPions::NNToNNO 1302 G4double CrossSectionsMultiPions::NNToNNOmegaxPi(const G4int, Particle const * const, Particle const * const) {
1325 return 0.; 1303 return 0.;
1326 } 1304 }
1327 1305
1328 G4double CrossSectionsMultiPions::NNToNDe 1306 G4double CrossSectionsMultiPions::NNToNDeltaOmega(Particle const * const, Particle const * const) {
1329 // 1307 //
1330 // Nucleon-Nucleon producing N-Delta-Om 1308 // Nucleon-Nucleon producing N-Delta-Omega cross sections
1331 // 1309 //
1332 return 0.; 1310 return 0.;
1333 } 1311 }
1334 << 1312
1335 << 1313
1336 <<
1337 <<
1338 G4double CrossSectionsMultiPions::NYelast <<
1339 // <<
1340 // Hyperon-Nucleon elastic cross <<
1341 // <<
1342 return 0.; <<
1343 } <<
1344 <<
1345 G4double CrossSectionsMultiPions::NKelast <<
1346 // <<
1347 // Kaon-Nucleon elastic cross se <<
1348 // <<
1349 return 0.; <<
1350 } <<
1351 <<
1352 G4double CrossSectionsMultiPions::NKbelas <<
1353 // <<
1354 // antiKaon-Nucleon elastic cros <<
1355 // <<
1356 return 0.; <<
1357 } <<
1358 <<
1359 <<
1360 G4double CrossSectionsMultiPions::NNToNLK(P <<
1361 // <<
1362 // Nucleon-Nucleon producing N-L <<
1363 // <<
1364 return 0.; <<
1365 } <<
1366 <<
1367 G4double CrossSectionsMultiPions::NNToNSK <<
1368 // <<
1369 // Nucleon-Nucleon producing N-S <<
1370 // <<
1371 return 0.; <<
1372 } <<
1373 <<
1374 G4double CrossSectionsMultiPions::NNToNLK <<
1375 // <<
1376 // Nucleon-Nucleon producing N-L <<
1377 // <<
1378 return 0.; <<
1379 } <<
1380 <<
1381 G4double CrossSectionsMultiPions::NNToNSK <<
1382 // <<
1383 // Nucleon-Nucleon producing N-S <<
1384 // <<
1385 return 0.; <<
1386 } <<
1387 <<
1388 G4double CrossSectionsMultiPions::NNToNLK <<
1389 // <<
1390 // Nucleon-Nucleon producing N-La <<
1391 // <<
1392 return 0.; <<
1393 } <<
1394 <<
1395 G4double CrossSectionsMultiPions::NNToNSK <<
1396 // <<
1397 // Nucleon-Nucleon producing N-S <<
1398 // <<
1399 return 0.; <<
1400 } <<
1401 <<
1402 G4double CrossSectionsMultiPions::NNToNNK <<
1403 // <<
1404 // Nucleon-Nucleon producing Nuc <<
1405 // <<
1406 return 0.; <<
1407 } <<
1408 <<
1409 G4double CrossSectionsMultiPions::NNToMis <<
1410 // <<
1411 // Nucleon-Nucleon missing stran <<
1412 // <<
1413 return 0.; <<
1414 } <<
1415 <<
1416 G4double CrossSectionsMultiPions::NDeltaT <<
1417 // Nucleon-Delta producing Nucleon La <<
1418 return 0; <<
1419 } <<
1420 G4double CrossSectionsMultiPions::NDeltaT <<
1421 // Nucleon-Delta producing Nucleon Si <<
1422 return 0; <<
1423 } <<
1424 G4double CrossSectionsMultiPions::NDeltaT <<
1425 // Nucleon-Delta producing Delta Lamb <<
1426 return 0; <<
1427 } <<
1428 G4double CrossSectionsMultiPions::NDeltaT <<
1429 // Nucleon-Delta producing Delta Sigm <<
1430 return 0; <<
1431 } <<
1432 <<
1433 G4double CrossSectionsMultiPions::NDeltaT <<
1434 // Nucleon-Delta producing Nucleon-Nu <<
1435 return 0; <<
1436 } <<
1437 <<
1438 <<
1439 G4double CrossSectionsMultiPions::NpiToLK <<
1440 // <<
1441 // Pion-Nucleon producing Lambda <<
1442 // <<
1443 return 0.; <<
1444 } <<
1445 <<
1446 G4double CrossSectionsMultiPions::NpiToSK <<
1447 // <<
1448 // Pion-Nucleon producing Sigma- <<
1449 // <<
1450 return 0.; <<
1451 } <<
1452 G4double CrossSectionsMultiPions::p_pimTo <<
1453 return 0.; <<
1454 } <<
1455 G4double CrossSectionsMultiPions::p_pimTo <<
1456 return 0.; <<
1457 } <<
1458 G4double CrossSectionsMultiPions::p_pizTo <<
1459 return 0.; <<
1460 } <<
1461 <<
1462 G4double CrossSectionsMultiPions::NpiToLK <<
1463 // <<
1464 // Pion-Nucleon producing Lambda <<
1465 // <<
1466 return 0.; <<
1467 } <<
1468 <<
1469 G4double CrossSectionsMultiPions::NpiToSK <<
1470 // <<
1471 // Pion-Nucleon producing Sigma- <<
1472 // <<
1473 return 0.; <<
1474 } <<
1475 <<
1476 G4double CrossSectionsMultiPions::NpiToLK <<
1477 // <<
1478 // Pion-Nucleon producing Lambda <<
1479 // <<
1480 return 0.; <<
1481 } <<
1482 <<
1483 G4double CrossSectionsMultiPions::NpiToSK <<
1484 // <<
1485 // Pion-Nucleon producing Lambda <<
1486 // <<
1487 return 0.; <<
1488 } <<
1489 <<
1490 G4double CrossSectionsMultiPions::NpiToNK <<
1491 // <<
1492 // Pion-Nucleon producing Nucleo <<
1493 // <<
1494 return 0.; <<
1495 } <<
1496 <<
1497 G4double CrossSectionsMultiPions::NpiToMi <<
1498 // <<
1499 // Pion-Nucleon missing strangen <<
1500 // <<
1501 return 0.; <<
1502 } <<
1503 <<
1504 G4double CrossSectionsMultiPions::NLToNS( <<
1505 // <<
1506 // Nucleon-Hyperon multiplet cha <<
1507 // <<
1508 return 0.; <<
1509 } <<
1510 <<
1511 G4double CrossSectionsMultiPions::NSToNL( <<
1512 // <<
1513 // Nucleon-Sigma quasi-elastic c <<
1514 // <<
1515 return 0.; <<
1516 } <<
1517 <<
1518 G4double CrossSectionsMultiPions::NSToNS( <<
1519 // <<
1520 // Nucleon-Sigma quasi-elastic c <<
1521 // <<
1522 return 0.; <<
1523 } <<
1524 <<
1525 G4double CrossSectionsMultiPions::NKToNK( <<
1526 // <<
1527 // Nucleon-Kaon quasi-elastic cr <<
1528 // <<
1529 return 0.; <<
1530 } <<
1531 <<
1532 G4double CrossSectionsMultiPions::NKToNKp <<
1533 // <<
1534 // Nucleon-Kaon producing Nucleo <<
1535 // <<
1536 return 0.; <<
1537 } <<
1538 <<
1539 G4double CrossSectionsMultiPions::NKToNK2 <<
1540 // <<
1541 // Nucleon-Kaon producing Nucleo <<
1542 // <<
1543 return 0.; <<
1544 } <<
1545 <<
1546 G4double CrossSectionsMultiPions::NKbToNK <<
1547 // <<
1548 // Nucleon-antiKaon quasi-elasti <<
1549 // <<
1550 return 0.; <<
1551 } <<
1552 <<
1553 G4double CrossSectionsMultiPions::NKbToSp <<
1554 // <<
1555 // Nucleon-antiKaon producing Si <<
1556 // <<
1557 return 0.; <<
1558 } <<
1559 <<
1560 G4double CrossSectionsMultiPions::NKbToLp <<
1561 // <<
1562 // Nucleon-antiKaon producing La <<
1563 // <<
1564 return 0.; <<
1565 } <<
1566 <<
1567 G4double CrossSectionsMultiPions::NKbToS2 <<
1568 // <<
1569 // Nucleon-antiKaon producing Si <<
1570 // <<
1571 return 0.; <<
1572 } <<
1573 <<
1574 G4double CrossSectionsMultiPions::NKbToL2 <<
1575 // <<
1576 // Nucleon-antiKaon producing La <<
1577 // <<
1578 return 0.; <<
1579 } <<
1580 <<
1581 G4double CrossSectionsMultiPions::NKbToNK <<
1582 // <<
1583 // Nucleon-antiKaon producing Nu <<
1584 // <<
1585 return 0.; <<
1586 } <<
1587 <<
1588 G4double CrossSectionsMultiPions::NKbToNK <<
1589 // <<
1590 // Nucleon-antiKaon producing Nu <<
1591 // <<
1592 return 0.; <<
1593 } <<
1594 <<
1595 G4double CrossSectionsMultiPions::NNbarEl <<
1596 // <<
1597 // Nucleon-AntiNucleon to Nucleon <<
1598 // <<
1599 return 0.; <<
1600 } <<
1601 <<
1602 G4double CrossSectionsMultiPions::NNbarCE <<
1603 // <<
1604 // Nucleon-AntiNucleon charge exc <<
1605 // <<
1606 return 0.; <<
1607 } <<
1608 <<
1609 G4double CrossSectionsMultiPions::NNbarTo <<
1610 // <<
1611 // Nucleon-AntiNucleon to Lambda- <<
1612 // <<
1613 return 0.; <<
1614 } <<
1615 <<
1616 G4double CrossSectionsMultiPions::NNbarTo <<
1617 // <<
1618 // Nucleon-AntiNucleon to Nucleon <<
1619 // <<
1620 return 0.; <<
1621 } <<
1622 <<
1623 G4double CrossSectionsMultiPions::NNbarTo <<
1624 // <<
1625 // Nucleon-AntiNucleon to Nucleon <<
1626 // <<
1627 return 0.; <<
1628 } <<
1629 <<
1630 G4double CrossSectionsMultiPions::NNbarTo <<
1631 // <<
1632 // Nucleon-AntiNucleon to Nucleon <<
1633 // <<
1634 return 0.; <<
1635 } <<
1636 <<
1637 G4double CrossSectionsMultiPions::NNbarTo <<
1638 // <<
1639 // Nucleon-AntiNucleon total anni <<
1640 // <<
1641 return 0.; <<
1642 } <<
1643 } // namespace G4INCL 1314 } // namespace G4INCL
1644 1315
1645 1316