include/Geant4/G4INCLCrossSectionsMultiPions.hh

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0025 //
0026 // INCL++ intra-nuclear cascade model
0027 // Alain Boudard, CEA-Saclay, France
0028 // Joseph Cugnon, University of Liege, Belgium
0029 // Jean-Christophe David, CEA-Saclay, France
0030 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
0031 // Sylvie Leray, CEA-Saclay, France
0032 // Davide Mancusi, CEA-Saclay, France
0033 //
0034 #define INCLXX_IN_GEANT4_MODE 1
0035
0036 #include "globals.hh"
0037
0038 /** \file G4INCLCrossSectionsMultiPions.hh
0039  * \brief Cross sections used in INCL Multipions
0040  *
0041  * \date 26th November 2013
0042  * \author Jean-Christophe David
0043  */
0044
0045 #ifndef G4INCLCROSSSECTIONSMULTIPIONS_HH
0046 #define G4INCLCROSSSECTIONSMULTIPIONS_HH
0047
0048 #include "G4INCLICrossSections.hh"
0049 #include "G4INCLHornerFormEvaluator.hh"
0050
0051 namespace G4INCL {
0052   /// \brief Cross sections used in INCL Multipions
0053
0054   class CrossSectionsMultiPions : public ICrossSections{
0055     public:
0056       CrossSectionsMultiPions();
0057
0058       /// \brief Elastic particle-particle cross section
0059       virtual G4double elastic(Particle const * const p1, Particle const * const p2);
0060
0061       /// \brief Total (elastic+inelastic) particle-particle cross section
0062       virtual G4double total(Particle const * const p1, Particle const * const p2);
0063
0064       /// \brief Cross section for NDelta->NN
0065       virtual G4double NDeltaToNN(Particle const * const p1, Particle const * const p2);
0066
0067       /// \brief Cross section for Delta production - NN Channel
0068       virtual G4double NNToNDelta(Particle const * const p1, Particle const * const p2);
0069
0070       /// \brief Cross section for Delta production - piN Channel
0071       virtual G4double piNToDelta(Particle const * const p1, Particle const * const p2);
0072
0073       /// \brief Cross section for X pion production - piN Channel
0074       virtual G4double piNToxPiN(const G4int xpi, Particle const * const p1, Particle const * const p2);
0075
0076       /// \brief Cross section for X pion production - NN Channel
0077       virtual G4double NNToxPiNN(const G4int xpi, Particle const * const p1, Particle const * const p2);
0078
0079       /** \brief Calculate the slope of the NN DDXS.
0080        *
0081        * \param energyCM energy in the CM frame, in MeV
0082        * \param iso total isospin of the system
0083        *
0084        * \return the slope of the angular distribution
0085        */
0086       virtual G4double calculateNNAngularSlope(G4double energyCM, G4int iso);
0087
0088       /// \brief Cross sections for mesonic resonance production - piN Channel
0089       virtual G4double piNToEtaN(Particle const * const p1, Particle const * const p2);
0090       virtual G4double piNToOmegaN(Particle const * const p1, Particle const * const p2);
0091       virtual G4double piNToEtaPrimeN(Particle const * const p1, Particle const * const p2);
0092
0093             /// \brief Cross sections for mesonic resonance absorption on nucleon - pipiN Channel
0094       virtual G4double etaNToPiPiN(Particle const * const p1, Particle const * const p2);
0095       virtual G4double omegaNToPiPiN(Particle const * const p1, Particle const * const p2);
0096
0097       /// \brief Cross sections for mesonic resonance absorption on nucleon - piN Channel
0098       virtual G4double etaNToPiN(Particle const * const p1, Particle const * const p2);
0099       virtual G4double omegaNToPiN(Particle const * const p1, Particle const * const p2);
0100       virtual G4double etaPrimeNToPiN(Particle const * const p1, Particle const * const p2);
0101
0102       /// \brief Cross sections for mesonic resonance absorption on nucleon - LK/SKChannel
0103       virtual G4double etaNToLK(Particle const * const p1, Particle const * const p2);
0104       virtual G4double omegaNToLK(Particle const * const p1, Particle const * const p2);
0105       virtual G4double etaNToSK(Particle const * const p1, Particle const * const p2);
0106       virtual G4double omegaNToSK(Particle const * const p1, Particle const * const p2);
0107
0108         /// \brief Cross section for Eta production - NN entrance channel
0109       virtual G4double NNToNNEta(Particle const * const particle1, Particle const * const particle2);
0110
0111           /// \brief Cross section for Eta production  (exclusive) - NN entrance channel
0112           virtual G4double NNToNNEtaExclu(Particle const * const particle1, Particle const * const particle2);
0113
0114           /// \brief Cross section for X pion production - NNEta Channel
0115             virtual G4double NNToNNEtaxPi(const G4int xpi, Particle const * const p1, Particle const * const p2);
0116
0117           /// \brief Cross section for N-Delta-Eta production - NNEta Channel
0118           virtual G4double NNToNDeltaEta(Particle const * const p1, Particle const * const p2);
0119
0120       /// \brief Cross section for Eta production - NN entrance channel
0121       virtual G4double NNToNNOmega(Particle const * const particle1, Particle const * const particle2);
0122
0123       /// \brief Cross section for Eta production  (exclusive) - NN entrance channel
0124       virtual G4double NNToNNOmegaExclu(Particle const * const particle1, Particle const * const particle2);
0125
0126       /// \brief Cross section for X pion production - NNEta Channel
0127       virtual G4double NNToNNOmegaxPi(const G4int xpi, Particle const * const p1, Particle const * const p2);
0128
0129       /// \brief Cross section for N-Delta-Eta production - NNEta Channel
0130       virtual G4double NNToNDeltaOmega(Particle const * const p1, Particle const * const p2);
0131
0132
0133       /// \brief elastic scattering for Nucleon-Strange Particles cross sections
0134       virtual G4double NYelastic(Particle const * const p1, Particle const * const p2);
0135       virtual G4double NKbelastic(Particle const * const p1, Particle const * const p2);
0136       virtual G4double NKelastic(Particle const * const p1, Particle const * const p2);
0137
0138       /// \brief Nucleon-Nucleon to Stange particles cross sections
0139       virtual G4double NNToNLK(Particle const * const p1, Particle const * const p2);
0140       virtual G4double NNToNSK(Particle const * const p1, Particle const * const p2);
0141       virtual G4double NNToNLKpi(Particle const * const p1, Particle const * const p2);
0142       virtual G4double NNToNSKpi(Particle const * const p1, Particle const * const p2);
0143       virtual G4double NNToNLK2pi(Particle const * const p1, Particle const * const p2);
0144       virtual G4double NNToNSK2pi(Particle const * const p1, Particle const * const p2);
0145       virtual G4double NNToNNKKb(Particle const * const p1, Particle const * const p2);
0146
0147       virtual G4double NNToMissingStrangeness(Particle const * const p1, Particle const * const p2);
0148
0149       /// \brief Nucleon-Delta to Stange particles cross sections
0150       virtual G4double NDeltaToNLK(Particle const * const p1, Particle const * const p2);
0151       virtual G4double NDeltaToNSK(Particle const * const p1, Particle const * const p2);
0152       virtual G4double NDeltaToDeltaLK(Particle const * const p1, Particle const * const p2);
0153       virtual G4double NDeltaToDeltaSK(Particle const * const p1, Particle const * const p2);
0154
0155       virtual G4double NDeltaToNNKKb(Particle const * const p1, Particle const * const p2);
0156
0157       /// \brief Nucleon-Pion to Stange particles cross sections
0158       virtual G4double NpiToLK(Particle const * const p1, Particle const * const p2);
0159       virtual G4double NpiToSK(Particle const * const p1, Particle const * const p2);
0160           virtual G4double p_pimToSzKz(Particle const * const p1, Particle const * const p2);
0161           virtual G4double p_pimToSmKp(Particle const * const p1, Particle const * const p2);
0162           virtual G4double p_pizToSzKp(Particle const * const p1, Particle const * const p2);
0163       virtual G4double NpiToLKpi(Particle const * const p1, Particle const * const p2);
0164       virtual G4double NpiToSKpi(Particle const * const p1, Particle const * const p2);
0165       virtual G4double NpiToLK2pi(Particle const * const p1, Particle const * const p2);
0166       virtual G4double NpiToSK2pi(Particle const * const p1, Particle const * const p2);
0167       virtual G4double NpiToNKKb(Particle const * const p1, Particle const * const p2);
0168
0169       virtual G4double NpiToMissingStrangeness(Particle const * const p1, Particle const * const p2);
0170
0171       /// \brief Nucleon-Hyperon cross sections
0172       virtual G4double NLToNS(Particle const * const p1, Particle const * const p2);
0173       virtual G4double NSToNL(Particle const * const p1, Particle const * const p2);
0174       virtual G4double NSToNS(Particle const * const p1, Particle const * const p2);
0175
0176       /// \brief Nucleon-Kaon quasi-elastic and inelastic cross sections
0177       virtual G4double NKToNK(Particle const * const p1, Particle const * const p2);
0178       virtual G4double NKToNKpi(Particle const * const p1, Particle const * const p2);
0179       virtual G4double NKToNK2pi(Particle const * const p1, Particle const * const p2);
0180
0181       /// \brief Nucleon-antiKaon quasi-elastic and inelastic cross sections
0182       virtual G4double NKbToNKb(Particle const * const p1, Particle const * const p2);
0183       virtual G4double NKbToSpi(Particle const * const p1, Particle const * const p2);
0184       virtual G4double NKbToLpi(Particle const * const p1, Particle const * const p2);
0185       virtual G4double NKbToS2pi(Particle const * const p1, Particle const * const p2);
0186       virtual G4double NKbToL2pi(Particle const * const p1, Particle const * const p2);
0187       virtual G4double NKbToNKbpi(Particle const * const p1, Particle const * const p2);
0188       virtual G4double NKbToNKb2pi(Particle const * const p1, Particle const * const p2);
0189
0190       /// \brief antiparticle cross sections
0191       /// \brief Nucleon-AntiNucleon to Baryon-AntiBaryon cross sections
0192       virtual G4double NNbarElastic(Particle const* const p1, Particle const* const p2);
0193       virtual G4double NNbarCEX(Particle const* const p1, Particle const* const p2);
0194
0195       virtual G4double NNbarToLLbar(Particle const * const p1, Particle const * const p2);
0196
0197       /// \brief Nucleon-AntiNucleon to Nucleon-AntiNucleon + pions cross sections
0198       virtual G4double NNbarToNNbarpi(Particle const* const p1, Particle const* const p2);
0199       virtual G4double NNbarToNNbar2pi(Particle const* const p1, Particle const* const p2);
0200       virtual G4double NNbarToNNbar3pi(Particle const* const p1, Particle const* const p2);
0201
0202       /// \brief Nucleon-AntiNucleon total annihilation cross sections
0203       virtual G4double NNbarToAnnihilation(Particle const* const p1, Particle const* const p2);
0204
0205     protected:
0206       /// \brief Maximum number of outgoing pions in NN collisions
0207       static const G4int nMaxPiNN;
0208
0209       /// \brief Maximum number of outgoing pions in piN collisions
0210       static const G4int nMaxPiPiN;
0211
0212       /// \brief Horner coefficients for s11pz
0213       const HornerC7 s11pzHC;
0214       /// \brief Horner coefficients for s01pp
0215       const HornerC8 s01ppHC;
0216       /// \brief Horner coefficients for s01pz
0217       const HornerC4 s01pzHC;
0218       /// \brief Horner coefficients for s11pm
0219       const HornerC4 s11pmHC;
0220       /// \brief Horner coefficients for s12pm
0221       const HornerC5 s12pmHC;
0222       /// \brief Horner coefficients for s12pp
0223       const HornerC3 s12ppHC;
0224       /// \brief Horner coefficients for s12zz
0225       const HornerC4 s12zzHC;
0226       /// \brief Horner coefficients for s02pz
0227       const HornerC4 s02pzHC;
0228       /// \brief Horner coefficients for s02pm
0229       const HornerC6 s02pmHC;
0230       /// \brief Horner coefficients for s12mz
0231       const HornerC4 s12mzHC;
0232
0233       /// \brief One over threshold for s11pz
0234       static const G4double s11pzOOT;
0235       /// \brief One over threshold for s01pp
0236       static const G4double s01ppOOT;
0237       /// \brief One over threshold for s01pz
0238       static const G4double s01pzOOT;
0239       /// \brief One over threshold for s11pm
0240       static const G4double s11pmOOT;
0241       /// \brief One over threshold for s12pm
0242       static const G4double s12pmOOT;
0243       /// \brief One over threshold for s12pp
0244       static const G4double s12ppOOT;
0245       /// \brief One over threshold for s12zz
0246       static const G4double s12zzOOT;
0247       /// \brief One over threshold for s02pz
0248       static const G4double s02pzOOT;
0249       /// \brief One over threshold for s02pm
0250       static const G4double s02pmOOT;
0251       /// \brief One over threshold for s12mz
0252       static const G4double s12mzOOT;
0253
0254       /// \brief Internal implementation of the NN elastic cross section
0255       G4double NNElastic(Particle const * const part1, Particle const * const part2);
0256
0257       /// \brief Internal implementation of the NN elastic cross section with fixed isospin
0258       G4double NNElasticFixed(const G4double s, const G4int i);
0259
0260       /// \brief Internal implementation of the NN total cross section
0261       G4double NNTot(Particle const * const part1, Particle const * const part2);
0262
0263       /// \brief Internal implementation of the NN total cross section with fixed isospin
0264       G4double NNTotFixed(const G4double s, const G4int i);
0265
0266       /// \brief Internal implementation of the isospin dependent NN reaction cross section
0267       G4double NNInelasticIso(const G4double ener, const G4int iso);
0268
0269       /// \brief Cross section for direct 1-pion production + delta production - NN entrance channel
0270       virtual G4double NNOnePiOrDelta(const G4double ener, const G4int iso, const G4double xsiso);
0271       /// \brief Cross section for direct 2-pion production - NN entrance channel
0272       virtual G4double NNTwoPi(const G4double ener, const G4int iso, const G4double xsiso);
0273       /// \brief Cross section for direct 3-pion production - NN entrance channel
0274       virtual G4double NNThreePi(const G4double ener, const G4int iso, const G4double xsiso, const G4double xs1pi, const G4double xs2pi);
0275
0276       /// \brief Cross section for direct 1-pion production - NN entrance channel
0277       virtual G4double NNOnePi(Particle const * const part1, Particle const * const part2);
0278       /// \brief Cross section for direct 1-pion production - NN entrance channel
0279       virtual G4double NNOnePiOrDelta(Particle const * const part1, Particle const * const part2);
0280       /// \brief Cross section for direct 2-pion production - NN entrance channel
0281       virtual G4double NNTwoPi(Particle const * const part1, Particle const * const part2);
0282       /// \brief Cross section for direct 3-pion production - NN entrance channel
0283       virtual G4double NNThreePi(Particle const * const part1, Particle const * const part2);
0284       /// \brief Cross section for direct 4-pion production - NN entrance channel
0285       virtual G4double NNFourPi(Particle const * const part1, Particle const * const part2);
0286
0287       /// \brief Internal function for pion cross sections
0288       G4double spnPiPlusPHE(const G4double x);
0289       /// \brief Internal function for pion cross sections
0290       G4double spnPiMinusPHE(const G4double x);
0291       G4double piNIne(Particle const * const p1, Particle const * const p2);
0292       G4double piNTot(Particle const * const p1, Particle const * const p2);
0293       G4double piNTopiN(Particle const * const p1, Particle const * const p2);
0294       G4double piPluspIne(Particle const * const p1, Particle const * const p2);
0295       G4double piMinuspIne(Particle const * const p1, Particle const * const p2);
0296       G4double piPluspOnePi(Particle const * const p1, Particle const * const p2);
0297       G4double piMinuspOnePi(Particle const * const p1, Particle const * const p2);
0298       G4double piPluspTwoPi(Particle const * const p1, Particle const * const p2);
0299       G4double piMinuspTwoPi(Particle const * const p1, Particle const * const p2);
0300
0301       /// \brief Cross section for One (more) pion production - piN entrance channel
0302       virtual G4double piNOnePi(Particle const * const p1, Particle const * const p2);
0303
0304       /// \brief Cross section for Two (more) pion production - piN entrance channel
0305       virtual G4double piNTwoPi(Particle const * const p1, Particle const * const p2);
0306
0307
0308   };
0309 }
0310
0311 #endif