[819] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | // |
---|
| 27 | // $Id: G4Mars5GeV.hh,v 1.5 2006/06/29 20:43:22 gunter Exp $ |
---|
[1007] | 28 | // GEANT4 tag $Name: geant4-09-02 $ |
---|
[819] | 29 | // |
---|
| 30 | // |
---|
| 31 | // ------------------------------------------------------------ |
---|
| 32 | // GEANT 4 class header file |
---|
| 33 | // |
---|
| 34 | // |
---|
| 35 | // ------------------------------------------------------------ |
---|
| 36 | // First Implemention 17 Nov. 1998 M.Asai, H.Kurahige |
---|
| 37 | // |
---|
| 38 | // History: |
---|
| 39 | // modified as hadronic model 28 Oct 2001 N.Kanaya |
---|
| 40 | // remodified by T. Koi 18 Nov 2004 |
---|
| 41 | // ------------------------------------------------------------ |
---|
| 42 | // Class Description |
---|
| 43 | // This is a Event Biasing mechanism based on MARS code |
---|
| 44 | // This model is applicable to |
---|
| 45 | // proton/neutron/pi+-/K+-/gamma/anti_proton |
---|
| 46 | // with energy < 5.0GeV |
---|
| 47 | //* |
---|
| 48 | // Original code is MARS13 written by Nikolai Mokhov (FNAL) |
---|
| 49 | //************************************************************** |
---|
| 50 | //* MARS13: 9. hA EVENT GENERATOR: |
---|
| 51 | //* Copyright Nikolai Mokhov (Fermilab) |
---|
| 52 | //* |
---|
| 53 | //* LAST CHANGE: 14-NOV-1998 |
---|
| 54 | //************************************************************** |
---|
| 55 | //* Copyright Nikolai Mokhov (Fermilab) |
---|
| 56 | //* |
---|
| 57 | //* MARS13(98) |
---|
| 58 | //* |
---|
| 59 | //* INCLUSIVE HADRON(photon)-NUCLEUS VERTEX AT E < 5 GEV !!! |
---|
| 60 | //* THREE WEIGHTED HADRONS IN FINAL STATE: !!! |
---|
| 61 | //* IP+A -> N/P(CASC)+ PI+/PI-(K+/K-) + PI0 |
---|
| 62 | // |
---|
| 63 | |
---|
| 64 | #ifndef G4Mars5GeV_h |
---|
| 65 | #define G4Mars5GeV_h 1 |
---|
| 66 | #include "G4Element.hh" |
---|
| 67 | #include "G4ElementVector.hh" |
---|
| 68 | #include "G4ElementTable.hh" |
---|
| 69 | #include "G4PhysicsTable.hh" |
---|
| 70 | #include "G4PhysicsVector.hh" |
---|
| 71 | #include "G4LPhysicsFreeVector.hh" |
---|
| 72 | #include "G4LightMedia.hh" |
---|
| 73 | #include "G4Step.hh" |
---|
| 74 | #include "G4TrackStatus.hh" |
---|
| 75 | #include "G4InelasticInteraction.hh" |
---|
| 76 | #include "G4ParticleTable.hh" |
---|
| 77 | #include "G4ParticleDefinition.hh" |
---|
| 78 | |
---|
| 79 | class G4Mars5GeV : public G4InelasticInteraction |
---|
| 80 | { |
---|
| 81 | public: // with description |
---|
| 82 | // constructors |
---|
| 83 | G4Mars5GeV(); |
---|
| 84 | |
---|
| 85 | //destructor |
---|
| 86 | ~G4Mars5GeV() { ; }; |
---|
| 87 | |
---|
| 88 | // virtual methods derived from G4VEvtBiasMechanism |
---|
| 89 | G4HadFinalState* ApplyYourself( const G4HadProjectile &aTrack, |
---|
| 90 | G4Nucleus &targetNucleus ); |
---|
| 91 | |
---|
| 92 | private: |
---|
| 93 | void Treem5(); |
---|
| 94 | // This is the mothod which invoke MARS |
---|
| 95 | // secondary information will be filled up |
---|
| 96 | |
---|
| 97 | G4bool CoulombBarrier(G4int pType, G4double pE); |
---|
| 98 | // Check if coulomb barrier exists |
---|
| 99 | |
---|
| 100 | void CreateNucleon(G4int ib, G4int pType, G4double pE); |
---|
| 101 | void CreatePion(G4int ib, G4int pType, G4double pE); |
---|
| 102 | void CreatePionZero(G4int ib, G4int pType, G4double pE); |
---|
| 103 | // Create secondary particles and add them into the list |
---|
| 104 | |
---|
| 105 | //void AddSecondary(); |
---|
| 106 | void AddSecondaryToMarsList(); |
---|
| 107 | // Add a secondary particle into the list |
---|
| 108 | |
---|
| 109 | G4double SelBS(G4int pType, G4double aNucl, G4double zNucl); |
---|
| 110 | // Calculate weight of secondary |
---|
| 111 | |
---|
| 112 | G4double D2N2(G4int pType, G4double incidentE, |
---|
| 113 | G4double prodE, G4double tin, |
---|
| 114 | G4int reacType, G4int proType, |
---|
| 115 | G4double ai, G4double z); |
---|
| 116 | // Calculate Hadron Inclusive Yield |
---|
| 117 | |
---|
| 118 | G4double Rkaon(G4int ib, G4int jp, G4double eRaw); |
---|
| 119 | // Calculate energy dependent K/pi ratio |
---|
| 120 | |
---|
| 121 | void Trans(G4ThreeVector* d1, G4ThreeVector* d2); |
---|
| 122 | // Direction cosine transformation using selec2(cs,ss,ch,sh) |
---|
| 123 | |
---|
| 124 | G4double GetMaxWeight() const; |
---|
| 125 | G4double GetMinWeight() const; |
---|
| 126 | void SetMaxWeight(G4double); |
---|
| 127 | void SetMinWeight(G4double); |
---|
| 128 | |
---|
| 129 | public: |
---|
| 130 | enum {FastVectorSize = 16}; |
---|
| 131 | typedef G4FastVector<G4DynamicParticle ,FastVectorSize> G4MarsSecondaryVector; |
---|
| 132 | |
---|
| 133 | private: |
---|
| 134 | // weight max/min |
---|
| 135 | G4double maxWeight; |
---|
| 136 | G4double minWeight; |
---|
| 137 | |
---|
| 138 | // information of secondary |
---|
| 139 | G4int numberOfSecondaries; |
---|
| 140 | G4double weightOfSecondaries[FastVectorSize]; |
---|
| 141 | G4MarsSecondaryVector secondaries; |
---|
| 142 | |
---|
| 143 | private: |
---|
| 144 | G4bool IsApplicable(const G4HadProjectile& , G4Nucleus& ) { return true; }; |
---|
| 145 | G4bool IsApplicable(G4int marsEncoding) const; |
---|
| 146 | |
---|
| 147 | private: |
---|
| 148 | // Particle Change |
---|
| 149 | |
---|
| 150 | // Particle Table |
---|
| 151 | G4ParticleTable* theParticleTable; |
---|
| 152 | |
---|
| 153 | // particle encoding for MARS |
---|
| 154 | enum { MarsUndefined =0, |
---|
| 155 | MarsP, MarsN, MarsPIplus, MarsPIminus, MarsKplus, MarsKminus, |
---|
| 156 | MarsMUplus, MarsMUminus, MarsGAM, MarsEminus, MarsEplus, MarsAP, |
---|
| 157 | MarsPI0, MarsD, MarsT, MarsHe3, MarsHe4 }; |
---|
| 158 | |
---|
| 159 | G4int GetMarsEncoding(const G4ParticleDefinition* )const; |
---|
| 160 | const G4String& GetParticleName(G4int marsEncoding) const; |
---|
| 161 | G4ParticleDefinition* GetParticleDefinition(G4int marsEncoding) const; |
---|
| 162 | G4double ProtonMass; |
---|
| 163 | |
---|
| 164 | private: |
---|
| 165 | // incident information |
---|
| 166 | G4double incidentWeight; |
---|
| 167 | const G4HadProjectile* incidentParticle; |
---|
| 168 | G4int incidentMarsEncoding; |
---|
| 169 | |
---|
| 170 | void GetTargetNuclei(const G4Material*); //fill up fANucle and fZnucl |
---|
| 171 | G4double fANucl, fZNucl; // target nucleus |
---|
| 172 | |
---|
| 173 | private: |
---|
| 174 | // these class is to define common blocks in original code |
---|
| 175 | |
---|
| 176 | class Selec1 |
---|
| 177 | { |
---|
| 178 | public: |
---|
| 179 | G4double Einc, EN, V, V10; |
---|
| 180 | G4int Treac, Tprod; |
---|
| 181 | } selec1; |
---|
| 182 | class Selec2 |
---|
| 183 | { |
---|
| 184 | public: |
---|
| 185 | G4double Cs, Ss, Ch, Sh; |
---|
| 186 | } selec2; |
---|
| 187 | class Selec3 |
---|
| 188 | { |
---|
| 189 | public: |
---|
| 190 | G4double Eth, Emax, Sqs, X, Pt2, Pt, P; |
---|
| 191 | } selec3; |
---|
| 192 | }; |
---|
| 193 | |
---|
| 194 | #include "G4ParticleDefinition.hh" |
---|
| 195 | inline |
---|
| 196 | G4double G4Mars5GeV::GetMaxWeight() const |
---|
| 197 | { |
---|
| 198 | return maxWeight; |
---|
| 199 | } |
---|
| 200 | inline |
---|
| 201 | G4double G4Mars5GeV::GetMinWeight() const |
---|
| 202 | { |
---|
| 203 | return minWeight; |
---|
| 204 | } |
---|
| 205 | |
---|
| 206 | inline |
---|
| 207 | void G4Mars5GeV::SetMaxWeight(G4double value) |
---|
| 208 | { |
---|
| 209 | maxWeight = value; |
---|
| 210 | } |
---|
| 211 | inline |
---|
| 212 | void G4Mars5GeV::SetMinWeight(G4double value) |
---|
| 213 | { |
---|
| 214 | minWeight = value; |
---|
| 215 | } |
---|
| 216 | |
---|
| 217 | inline |
---|
| 218 | G4int G4Mars5GeV::GetMarsEncoding(const G4ParticleDefinition* particle) const{ |
---|
| 219 | const G4String& name = particle->GetParticleName(); |
---|
| 220 | G4int encoding = MarsUndefined; |
---|
| 221 | if (name == "proton") { |
---|
| 222 | encoding = MarsP; |
---|
| 223 | } else if (name == "neutron") { |
---|
| 224 | encoding = MarsN; |
---|
| 225 | } else if (name == "pi+") { |
---|
| 226 | encoding = MarsPIplus; |
---|
| 227 | } else if (name == "pi-") { |
---|
| 228 | encoding = MarsPIminus; |
---|
| 229 | } else if (name == "kaon+") { |
---|
| 230 | encoding = MarsKplus; |
---|
| 231 | } else if (name == "kaon-") { |
---|
| 232 | encoding = MarsKminus; |
---|
| 233 | } else if (name == "mu+") { |
---|
| 234 | encoding = MarsMUplus; |
---|
| 235 | } else if (name == "mu-") { |
---|
| 236 | encoding = MarsMUminus; |
---|
| 237 | } else if (name == "gamma") { |
---|
| 238 | encoding = MarsGAM; |
---|
| 239 | } else if (name == "e+") { |
---|
| 240 | encoding = MarsEplus; |
---|
| 241 | } else if (name == "e-") { |
---|
| 242 | encoding = MarsEminus; |
---|
| 243 | } else if (name == "anti_proton") { |
---|
| 244 | encoding = MarsAP; |
---|
| 245 | } else if (name == "pi0") { |
---|
| 246 | encoding = MarsPI0; |
---|
| 247 | } else if (name == "deuteron") { |
---|
| 248 | encoding = MarsD; |
---|
| 249 | } else if (name == "triton") { |
---|
| 250 | encoding = MarsT; |
---|
| 251 | } else if (name == "He3") { |
---|
| 252 | encoding = MarsHe3; |
---|
| 253 | } else if (name == "alpha") { |
---|
| 254 | encoding = MarsHe4; |
---|
| 255 | } |
---|
| 256 | return encoding; |
---|
| 257 | } |
---|
| 258 | |
---|
| 259 | inline |
---|
| 260 | const G4String& G4Mars5GeV::GetParticleName(G4int encoding) const |
---|
| 261 | { |
---|
| 262 | static G4String name; |
---|
| 263 | name = "None"; |
---|
| 264 | switch (encoding) |
---|
| 265 | { |
---|
| 266 | case MarsP: |
---|
| 267 | name = "proton"; |
---|
| 268 | break; |
---|
| 269 | case MarsN: |
---|
| 270 | name = "neutron"; |
---|
| 271 | break; |
---|
| 272 | case MarsPIplus: |
---|
| 273 | name = "pi+"; |
---|
| 274 | break; |
---|
| 275 | case MarsPIminus: |
---|
| 276 | name = "pi-"; |
---|
| 277 | break; |
---|
| 278 | case MarsKplus: |
---|
| 279 | name = "kaon+"; |
---|
| 280 | break; |
---|
| 281 | case MarsKminus: |
---|
| 282 | name = "kaon-"; |
---|
| 283 | break; |
---|
| 284 | case MarsMUplus: |
---|
| 285 | name = "mu+"; |
---|
| 286 | break; |
---|
| 287 | case MarsMUminus: |
---|
| 288 | name = "mu-"; |
---|
| 289 | break; |
---|
| 290 | case MarsGAM: |
---|
| 291 | name = "gamma"; |
---|
| 292 | break; |
---|
| 293 | case MarsEplus: |
---|
| 294 | name = "e+"; |
---|
| 295 | break; |
---|
| 296 | case MarsEminus: |
---|
| 297 | name = "e-"; |
---|
| 298 | break; |
---|
| 299 | case MarsAP: |
---|
| 300 | name = "anti_proton"; |
---|
| 301 | break; |
---|
| 302 | case MarsPI0: |
---|
| 303 | name = "pi0"; |
---|
| 304 | break; |
---|
| 305 | case MarsD: |
---|
| 306 | name = "deuteron"; |
---|
| 307 | break; |
---|
| 308 | case MarsT: |
---|
| 309 | name = "triton"; |
---|
| 310 | break; |
---|
| 311 | case MarsHe3: |
---|
| 312 | name = "He3"; |
---|
| 313 | break; |
---|
| 314 | case MarsHe4: |
---|
| 315 | name = "alpha"; |
---|
| 316 | break; |
---|
| 317 | default: |
---|
| 318 | break; |
---|
| 319 | } |
---|
| 320 | return name; |
---|
| 321 | } |
---|
| 322 | |
---|
| 323 | inline |
---|
| 324 | G4ParticleDefinition* G4Mars5GeV::GetParticleDefinition(G4int encoding) const |
---|
| 325 | { |
---|
| 326 | G4String name = GetParticleName(encoding); |
---|
| 327 | G4ParticleDefinition* particle = 0; |
---|
| 328 | if (name != "None") { |
---|
| 329 | particle = theParticleTable->FindParticle(name); |
---|
| 330 | } |
---|
| 331 | return particle; |
---|
| 332 | } |
---|
| 333 | |
---|
| 334 | inline |
---|
| 335 | G4bool G4Mars5GeV::IsApplicable(G4int marsEncoding) const |
---|
| 336 | { |
---|
| 337 | return ( ((marsEncoding!=MarsUndefined) && (marsEncoding<=MarsKminus) )|| |
---|
| 338 | (marsEncoding==MarsGAM) || |
---|
| 339 | (marsEncoding==MarsAP) ); |
---|
| 340 | } |
---|
| 341 | |
---|
| 342 | #endif |
---|