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G4ChipsKaonZeroInelasticXS.cc
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25 //
26 //
27 // The lust update: M.V. Kossov, CERN/ITEP(Moscow) 17-June-02
28 //
29 //
30 // G4 Physics class: G4ChipsKaonZeroInelasticXS for gamma+A cross sections
31 // Created: M.V. Kossov, CERN/ITEP(Moscow), 20-Dec-03
32 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 15-Feb-04
33 //
34 // ****************************************************************************************
35 // Short description: Cross-sections extracted (by W.Pokorski) from the CHIPS package for
36 // K(zero)-nuclear interactions. Original author: M. Kossov
37 // -------------------------------------------------------------------------------------
38 //
39 
41 #include "G4DynamicParticle.hh"
42 #include "G4ParticleDefinition.hh"
43 #include "G4KaonZero.hh"
44 #include "G4KaonZeroLong.hh"
45 #include "G4KaonZeroShort.hh"
46 #include "G4AntiKaonZero.hh"
48 
49 // factory
50 #include "G4CrossSectionFactory.hh"
51 //
53 
55 {
56  lastLEN=0;// Pointer to the lastArray of LowEn CS
57  lastHEN=0;// Pointer to the lastArray of HighEnCS
58  lastN=0; // The last N of calculated nucleus
59  lastZ=0; // The last Z of calculated nucleus
60  lastP=0.; // Last used in cross section Momentum
61  lastTH=0.;// Last threshold momentum
62  lastCS=0.;// Last value of the Cross Section
63  lastI=0; // The last position in the DAMDB
64 
67 }
68 
69 
71 {
72 }
73 
74 void
76 {
77  outFile << "G4ChipsKaonZeroInelasticXS provides the inelastic cross\n"
78  << "section for K0 nucleus scattering as a function of incident\n"
79  << "momentum. The cross section is calculated using M. Kossov's\n"
80  << "CHIPS parameterization of cross section data.\n";
81 }
82 
84  const G4Element*,
85  const G4Material*)
86 {
87  return true;
88 }
89 
90 
91 
92 // The main member function giving the collision cross section (P is in IU, CS is in mb)
93 // Make pMom in independent units ! (Now it is MeV)
94 
96  const G4Isotope*,
97  const G4Element*,
98  const G4Material*)
99 {
100  G4double pMom=Pt->GetTotalMomentum();
101  G4int N = A - tgZ;
102 
103  return GetChipsCrossSection(pMom, tgZ, N, 311);
104 }
105 
107 {
108  return (theKMinusCS->GetChipsCrossSection(mom,Z,N,pdg)
109  +theKPlusCS->GetChipsCrossSection(mom,Z,N,pdg))/2;
110 }