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25 //
26 // Calculation of the total, elastic and inelastic cross-sections
27 // based on parametrisations of (proton, pion, kaon, photon) nucleon
28 // cross-sections and the hadron-nucleous cross-section model in
29 // the framework of Glauber-Gribov approach
30 //
31 // 14.03.07 V. Grichine - first implementation
32 // 04.11.11 V. Grichine - update for kaon-(p,n) xsc, vector spline
33 // 21.02.12 V. Grichine - update for pion-(p,n) xsc, NS fit++, vector spline
34 // 30.07.18 V. Ivanchenko - general clean-up
35 // 30.09.18 V. Grichine hyperon-nucleon xsc first implementation
36 // 09.04.19 V. Grichine hyperon-nucleon xsc for c- and b- hyperons (and s-)
37 // 12.04.19 V. Grichine meson-nucleon xsc for c- and b- hyperons (and s-)
38 // 09.05.20 V. Ivanchenko general code clean-up
39
40
41 #ifndef G4HadronNucleonXsc_h
42 #define G4HadronNucleonXsc_h
43
44 #include "globals.hh"
45 #include "G4ParticleDefinition.hh"
46 #include "G4DynamicParticle.hh"
47
48 class G4Pow;
49 class G4Element;
50
51 class G4HadronNucleonXsc
52 {
53 public:
54
55 G4HadronNucleonXsc();
56 ~G4HadronNucleonXsc() = default;
57
58 // Xsc parametrisations return total x-section
59 G4double HadronNucleonXsc(const G4ParticleDefinition* theParticle,
60 const G4ParticleDefinition* nucleon, G4double ekin);
61
62 G4double HadronNucleonXscPDG(const G4ParticleDefinition* theParticle,
63 const G4ParticleDefinition* nucleon, G4double ekin);
64
65 G4double HadronNucleonXscNS(const G4ParticleDefinition* theParticle,
66 const G4ParticleDefinition* nucleon, G4double ekin);
67
68 G4double KaonNucleonXscNS(const G4ParticleDefinition* theParticle,
69 const G4ParticleDefinition* nucleon, G4double ekin);
70
71 G4double KaonNucleonXscGG(const G4ParticleDefinition* theParticle,
72 const G4ParticleDefinition* nucleon, G4double ekin);
73
74 G4double KaonNucleonXscVG(const G4ParticleDefinition* theParticle,
75 const G4ParticleDefinition* nucleon, G4double ekin);
76
77 G4double HyperonNucleonXscNS(const G4ParticleDefinition* theParticle,
78 const G4ParticleDefinition* nucleon, G4double ekin);
79
80 G4double SCBMesonNucleonXscNS(const G4ParticleDefinition* theParticle,
81 const G4ParticleDefinition* nucleon, G4double ekin );
82
83 G4double HadronNucleonXscVU(const G4ParticleDefinition* theParticle,
84 const G4ParticleDefinition* nucleon, G4double ekin);
85
86 G4double HadronNucleonXscEL(const G4ParticleDefinition* theParticle,
87 const G4ParticleDefinition* nucleon, G4double ekin);
88
89 G4double CoulombBarrier(const G4ParticleDefinition* theParticle,
90 const G4ParticleDefinition* nucleon, G4double ekin);
91
92 // Xsc for G4DynamicParticle projectile
93 inline G4double GetHadronNucleonXscEL(const G4DynamicParticle* dp,
94 const G4ParticleDefinition* p)
95 { return HadronNucleonXscEL(dp->GetDefinition(), p, dp->GetKineticEnergy()); }
96
97 inline G4double GetHadronNucleonXscPDG(const G4DynamicParticle* dp,
98 const G4ParticleDefinition* p)
99 { return HadronNucleonXscPDG(dp->GetDefinition(), p, dp->GetKineticEnergy()); }
100
101 inline G4double GetHadronNucleonXscNS(const G4DynamicParticle* dp,
102 const G4ParticleDefinition* p)
103 { return HadronNucleonXscNS(dp->GetDefinition(), p, dp->GetKineticEnergy()); }
104
105 inline G4double GetKaonNucleonXscGG(const G4DynamicParticle* dp,
106 const G4ParticleDefinition* p)
107 { return KaonNucleonXscGG(dp->GetDefinition(), p, dp->GetKineticEnergy()); }
108
109 inline G4double GetHyperonNucleonXscNS(const G4DynamicParticle* dp,
110 const G4ParticleDefinition* p)
111 { return HyperonNucleonXscNS(dp->GetDefinition(), p, dp->GetKineticEnergy()); }
112
113 inline G4double GetHadronNucleonXscVU(const G4DynamicParticle* dp,
114 const G4ParticleDefinition* p)
115 { return HadronNucleonXscVU(dp->GetDefinition(), p, dp->GetKineticEnergy()); }
116
117 inline G4double GetCoulombBarrier(const G4DynamicParticle* dp,
118 const G4ParticleDefinition* p)
119 { return CoulombBarrier(dp->GetDefinition(), p, dp->GetKineticEnergy()); }
120
121 // Xsc access
122 inline G4double GetTotalHadronNucleonXsc() const { return fTotalXsc; };
123 inline G4double GetElasticHadronNucleonXsc() const { return fElasticXsc; };
124 inline G4double GetInelasticHadronNucleonXsc() const { return fInelasticXsc; };
125
126 void CrossSectionDescription(std::ostream&) const;
127
128 private:
129
130 inline G4double CalcMandelstamS(G4double ekin1, G4double mass1, G4double mass2)
131 { return mass1*mass1 + mass2*mass2 + 2*mass2*(ekin1 + mass1); }
132
133 inline G4double CalculateEcmValue(G4double ekin1, G4double mass1, G4double mass2)
134 { return std::sqrt(CalcMandelstamS(ekin1, mass1, mass2)); };
135
136 G4double fTotalXsc{0.0};
137 G4double fElasticXsc{0.0};
138 G4double fInelasticXsc{0.0};
139 G4Pow* g4calc;
140
141 const G4ParticleDefinition* theProton;
142 const G4ParticleDefinition* theNeutron;
143 const G4ParticleDefinition* thePiPlus;
144 // strange
145 const G4ParticleDefinition* theKPlus;
146 const G4ParticleDefinition* theKMinus;
147 const G4ParticleDefinition* theK0S;
148 const G4ParticleDefinition* theK0L;
149 };
150
151 #endif
152