| 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 | #include "G4CascadSpecialFunctions.hh" |
|---|
| 27 | |
|---|
| 28 | std::pair<G4int, G4double> |
|---|
| 29 | G4CascadSpecialFunctions::getPositionInEnergyScale3(G4double e) |
|---|
| 30 | { |
|---|
| 31 | |
|---|
| 32 | const G4double EMT3[30] = { |
|---|
| 33 | 0.0, 0.01, 0.013, 0.018, 0.024, 0.032, 0.042, 0.056, 0.075, 0.1, |
|---|
| 34 | 0.13, 0.18, 0.24, 0.32, 0.42, 0.56, 0.75, 1.0, 1.3, 1.8, |
|---|
| 35 | 2.4, 3.2, 4.2, 5.6, 7.5, 10.0, 13.0, 18.0, 24.0, 32.0}; |
|---|
| 36 | |
|---|
| 37 | G4int ik = 29; |
|---|
| 38 | G4double sk = 1.0; |
|---|
| 39 | |
|---|
| 40 | for (G4int i = 1; i < 30; i++) { |
|---|
| 41 | |
|---|
| 42 | if (e <= EMT3[i]) { |
|---|
| 43 | ik = i; |
|---|
| 44 | sk = (e - EMT3[ik - 1]) / (EMT3[ik] - EMT3[ik - 1]); |
|---|
| 45 | break; |
|---|
| 46 | } |
|---|
| 47 | } |
|---|
| 48 | |
|---|
| 49 | return std::pair<G4int, G4double>(ik, sk); |
|---|
| 50 | } |
|---|
| 51 | |
|---|
| 52 | |
|---|
| 53 | G4double |
|---|
| 54 | G4CascadSpecialFunctions::absorptionCrosSection(G4double e, G4int type) |
|---|
| 55 | { |
|---|
| 56 | G4int verboseLevel = 2; |
|---|
| 57 | |
|---|
| 58 | if (verboseLevel > 3) { |
|---|
| 59 | G4cout << " >>> G4CascadSpecialFunctions::absorptionCrosSection type:" << type <<G4endl; |
|---|
| 60 | } |
|---|
| 61 | |
|---|
| 62 | // was 0.2 since the beginning |
|---|
| 63 | const G4double corr_fac = 1.0; |
|---|
| 64 | G4double csec = 0.0; |
|---|
| 65 | |
|---|
| 66 | if (e < 0.3) { |
|---|
| 67 | csec = 0.1106 / std::sqrt(e) - 0.8 + 0.08 / ((e - 0.123) * (e - 0.123) + 0.0056); |
|---|
| 68 | |
|---|
| 69 | } else if (e < 1.0) { |
|---|
| 70 | csec = 3.6735 * (1.0 - e) * (1.0 - e); |
|---|
| 71 | }; |
|---|
| 72 | |
|---|
| 73 | if (csec < 0.0) csec = 0.0; |
|---|
| 74 | |
|---|
| 75 | if (verboseLevel > 2) { |
|---|
| 76 | G4cout << " ekin " << e << " abs. csec " << corr_fac * csec << G4endl; |
|---|
| 77 | } |
|---|
| 78 | |
|---|
| 79 | return corr_fac * csec; |
|---|
| 80 | } |
|---|
| 81 | |
|---|
| 82 | |
|---|
| 83 | G4double |
|---|
| 84 | G4CascadSpecialFunctions::crossSection(G4double e, G4int is) |
|---|
| 85 | { |
|---|
| 86 | // |
|---|
| 87 | // Total cross sections (mbarns) |
|---|
| 88 | // |
|---|
| 89 | const G4double PPtot[30] = { |
|---|
| 90 | 17613.0, 302.9, 257.1, 180.6, 128.4, 90.5, 66.1, 49.4, 36.9, 29.6, |
|---|
| 91 | 26.0, 23.1, 22.6, 23.0, 27.0, 32.0, 44.0, 47.04, 44.86, 46.03, |
|---|
| 92 | 44.09, 41.81, 41.17, 40.65, 40.15, 40.18, 39.26, 38.36, 38.39, 38.41}; |
|---|
| 93 | |
|---|
| 94 | const G4double NPtot[30] = { |
|---|
| 95 | 20357.0, 912.6, 788.6, 582.1, 415.0, 272.0, 198.8, 145.0, 100.4, 71.1, |
|---|
| 96 | 58.8, 45.7, 38.9, 34.4, 34.0, 35.0, 37.5, 39.02, 40.29, 40.72, |
|---|
| 97 | 42.36, 41.19, 42.04, 41.67, 40.96, 39.48, 39.79, 39.39, 39.36, 39.34}; |
|---|
| 98 | |
|---|
| 99 | const G4double pipPtot[30] = { |
|---|
| 100 | 0.0, 1.2, 2.5, 3.8, 5.0, 7.0, 9.0, 15.0, 30.0, 64.0, |
|---|
| 101 | 130.0, 190.0, 130.0, 56.0, 28.0, 17.14, 19.28, 27.4, 40.05, 32.52, |
|---|
| 102 | 30.46, 29.0, 27.26, 25.84, 25.5, 24.5, 24.0, 23.5, 23.0, 23.0}; |
|---|
| 103 | |
|---|
| 104 | const G4double pimPtot[30] = { |
|---|
| 105 | 0.0, 3.5, 4.0, 4.7, 6.0, 7.5, 8.3, 12.0, 14.4, 24.0, |
|---|
| 106 | 44.0, 67.0, 45.06, 28.82, 28.98, 41.66, 37.32, 51.37, 35.67, 33.25, |
|---|
| 107 | 31.84, 31.0, 29.32, 27.5, 26.5, 25.9, 25.5, 25.2, 25.0, 24.8}; |
|---|
| 108 | |
|---|
| 109 | const G4double pizPtot[30] = { |
|---|
| 110 | 0.0, 3.55, 4.65, 5.9, 7.75, 10.1, 11.8, 18.0, 27.7, 52.5, |
|---|
| 111 | 102.0, 150.0, 102.64, 51.03, 34.94, 34.52, 32.45, 44.05, 40.2, 34.93, |
|---|
| 112 | 32.0, 30.0, 28.29, 26.91, 26.25, 25.25, 24.75, 24.35, 24.0, 23.9}; |
|---|
| 113 | |
|---|
| 114 | const G4double kpPtot[30] = { |
|---|
| 115 | 10.0, 10.34, 10.44, 10.61, 10.82, 11.09, 11.43, 11.71, 11.75, 11.8, |
|---|
| 116 | 11.98, 12.28, 12.56, 12.48, 12.67, 14.48, 15.92, 17.83, 17.93, 17.88, |
|---|
| 117 | 17.46, 17.3, 17.3, 17.4, 17.4, 17.4, 17.4, 17.5, 17.7, 17.8}; |
|---|
| 118 | |
|---|
| 119 | const G4double kpNtot[30] = { |
|---|
| 120 | 6.64, 6.99, 7.09, 7.27, 7.48, 7.75, 8.1, 8.49, 8.84, 9.31, |
|---|
| 121 | 9.8, 10.62, 11.64, 13.08, 14.88, 16.60, 17.5, 18.68, 18.68, 18.29, |
|---|
| 122 | 17.81, 17.6, 17.6, 17.6, 17.6, 17.6, 17.7, 17.8, 17.9, 18.0}; |
|---|
| 123 | |
|---|
| 124 | const G4double kmPtot[30] = { |
|---|
| 125 | 1997.0, 1681.41, 1586.74, 1428.95, 1239.59, 987.12, 671.54, 377.85, 247.30, 75.54, |
|---|
| 126 | 71.08, 54.74, 44.08, 44.38, 45.45, 45.07, 41.04, 35.75, 33.22, 30.08, |
|---|
| 127 | 27.61, 26.5, 25.2, 24.0, 23.4, 22.8, 22.0, 21.3, 21.0, 20.9}; |
|---|
| 128 | |
|---|
| 129 | const G4double kmNtot[30] = { |
|---|
| 130 | 6.15, 6.93, 7.16, 7.55, 8.02, 8.65, 9.43, 10.36, 11.34, 12.64, |
|---|
| 131 | 14.01, 16.45, 19.32, 23.0, 27.6, 30.92, 29.78, 28.28, 25.62, 23.1, |
|---|
| 132 | 22.31, 21.9, 21.73, 21.94, 21.23, 20.5, 20.4, 20.2, 20.1, 20.0}; |
|---|
| 133 | |
|---|
| 134 | const G4double lPtot[30] = { |
|---|
| 135 | 300.0, 249.07, 233.8, 208.33, 177.78, 137.04, 86.11, 41.41, 28.86, 12.35, |
|---|
| 136 | 13.82, 16.76, 20.68, 25.9, 30.37, 31.56, 32.83, 34.5, 34.91, 35.11, |
|---|
| 137 | 35.03, 36.06, 35.13, 35.01, 35.0, 35.0, 35.0, 35.0, 35.0, 35.0}; |
|---|
| 138 | |
|---|
| 139 | const G4double spPtot[30] = { |
|---|
| 140 | 150.0, 146.0, 144.8, 142.8, 140.4, 137.2, 133.2, 127.6, 120.0, 110.0, |
|---|
| 141 | 98.06, 84.16, 72.28, 56.58, 43.22, 40.44, 36.14, 30.48, 31.53, 31.92, |
|---|
| 142 | 29.25, 28.37, 29.81, 33.15, 33.95, 34.0, 34.0, 34.0, 34.0, 34.0}; |
|---|
| 143 | |
|---|
| 144 | const G4double smPtot[30] = { |
|---|
| 145 | 937.0, 788.14, 743.48, 669.05, 579.74, 460.65, 311.79, 183.33, 153.65, 114.6, |
|---|
| 146 | 105.18, 89.54, 70.58, 45.5, 32.17, 32.54, 32.95, 33.49, 33.55, 33.87, |
|---|
| 147 | 34.02, 34.29, 33.93, 33.88, 34.0, 34.0, 34.0, 34.0, 34.0, 34.0}; |
|---|
| 148 | |
|---|
| 149 | const G4double xi0Ptot[30] = { |
|---|
| 150 | 16.0, 14.72, 14.34, 13.7, 12.93, 11.9, 10.62, 9.29, 8.3, 7.0, |
|---|
| 151 | 7.96, 9.56, 11.48, 14.04, 19.22, 25.29, 29.4, 34.8, 34.32, 33.33, |
|---|
| 152 | 31.89, 29.55, 27.89, 21.43, 17.0, 16.0, 16.0, 16.0, 16.0, 16.0}; |
|---|
| 153 | |
|---|
| 154 | const G4double ximPtot[30] = { |
|---|
| 155 | 33.0, 32.5, 32.35, 32.1, 31.8, 31.4, 30.9, 30.2, 29.25, 28.0, |
|---|
| 156 | 26.5, 24.6, 22.8, 20.78, 18.22, 19.95, 21.7, 24.0, 24.74, 25.95, |
|---|
| 157 | 27.59, 27.54, 23.16, 17.43, 12.94, 12.0, 12.0, 12.0, 12.0, 12.0}; |
|---|
| 158 | |
|---|
| 159 | |
|---|
| 160 | G4double csec = 0.0; |
|---|
| 161 | G4int l = is; |
|---|
| 162 | |
|---|
| 163 | if (l == 4) { |
|---|
| 164 | l = 1; |
|---|
| 165 | |
|---|
| 166 | } else if (l == 10) { |
|---|
| 167 | l = 3; |
|---|
| 168 | |
|---|
| 169 | } else if (l == 5 || l == 6) { |
|---|
| 170 | l = 4; |
|---|
| 171 | } else if (l == 7 || l == 14) { |
|---|
| 172 | l = 5; |
|---|
| 173 | }; |
|---|
| 174 | |
|---|
| 175 | std::pair<G4int, G4double> iksk = getPositionInEnergyScale3(e); |
|---|
| 176 | G4int ik = iksk.first; |
|---|
| 177 | G4double sk = iksk.second; |
|---|
| 178 | |
|---|
| 179 | // pp, nn |
|---|
| 180 | if (l == 1) { |
|---|
| 181 | csec = PPtot[ik - 1] + sk * (PPtot[ik] - PPtot[ik - 1]); |
|---|
| 182 | |
|---|
| 183 | // np |
|---|
| 184 | } else if (l == 2) { |
|---|
| 185 | csec = NPtot[ik - 1] + sk * (NPtot[ik] - NPtot[ik - 1]); |
|---|
| 186 | |
|---|
| 187 | // pi+p, pi-n |
|---|
| 188 | } else if (l == 3) { |
|---|
| 189 | csec = pipPtot[ik - 1] + sk * (pipPtot[ik] - pipPtot[ik - 1]); |
|---|
| 190 | |
|---|
| 191 | // pi-p, pi+n |
|---|
| 192 | } else if (l == 4) { |
|---|
| 193 | csec = pimPtot[ik - 1] + sk * (pimPtot[ik] - pimPtot[ik - 1]); |
|---|
| 194 | |
|---|
| 195 | // pi0p, pi0n |
|---|
| 196 | } else if (l == 5) { |
|---|
| 197 | csec = pizPtot[ik - 1] + sk * (pizPtot[ik] - pizPtot[ik - 1]); |
|---|
| 198 | |
|---|
| 199 | // k+ p, k0 n |
|---|
| 200 | } else if (l == 11 || l == 30) { |
|---|
| 201 | csec = kpPtot[ik - 1] + sk * (kpPtot[ik] - kpPtot[ik - 1]); |
|---|
| 202 | |
|---|
| 203 | // k- p, k0b n |
|---|
| 204 | } else if (l == 13 || l == 34) { |
|---|
| 205 | csec = kmPtot[ik - 1] + sk * (kmPtot[ik] - kmPtot[ik - 1]); |
|---|
| 206 | |
|---|
| 207 | // k+ n, k0 p |
|---|
| 208 | } else if (l == 22 || l == 15) { |
|---|
| 209 | csec = kpNtot[ik - 1] + sk * (kpNtot[ik] - kpNtot[ik - 1]); |
|---|
| 210 | |
|---|
| 211 | // k- n, k0b p |
|---|
| 212 | } else if (l == 26 || l == 17) { |
|---|
| 213 | csec = kmNtot[ik - 1] + sk * (kmNtot[ik] - kmNtot[ik - 1]); |
|---|
| 214 | |
|---|
| 215 | // L p, L n, S0 p, S0 n |
|---|
| 216 | } else if (l == 21 || l == 25 || l == 42 || l == 50) { |
|---|
| 217 | csec = lPtot[ik - 1] + sk * (lPtot[ik] - lPtot[ik - 1]); |
|---|
| 218 | |
|---|
| 219 | // Sp p, Sm n |
|---|
| 220 | } else if (l == 23 || l == 54) { |
|---|
| 221 | csec = spPtot[ik - 1] + sk * (spPtot[ik] - spPtot[ik - 1]); |
|---|
| 222 | |
|---|
| 223 | // Sm p, Sp n |
|---|
| 224 | } else if (l == 27 || l == 46) { |
|---|
| 225 | csec = smPtot[ik - 1] + sk * (smPtot[ik] - smPtot[ik - 1]); |
|---|
| 226 | |
|---|
| 227 | // Xi0 p, Xi- n |
|---|
| 228 | } else if (l == 29 || l == 62) { |
|---|
| 229 | csec = xi0Ptot[ik - 1] + sk * (xi0Ptot[ik] - xi0Ptot[ik - 1]); |
|---|
| 230 | |
|---|
| 231 | // Xi- p, Xi0 n |
|---|
| 232 | } else if (l == 31 || l == 58) { |
|---|
| 233 | csec = ximPtot[ik - 1] + sk * (ximPtot[ik] - ximPtot[ik - 1]); |
|---|
| 234 | |
|---|
| 235 | } else { |
|---|
| 236 | G4cout << " unknown collison type = " << l << G4endl; |
|---|
| 237 | csec = 0.0; |
|---|
| 238 | } |
|---|
| 239 | |
|---|
| 240 | return csec; |
|---|
| 241 | } |
|---|
| 242 | |
|---|
