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26 // 26 //
27 // The lust update: M.V. Kossov, CERN/ITEP(Mos 27 // The lust update: M.V. Kossov, CERN/ITEP(Moscow) 17-June-02
>> 28 // GEANT4 tag $Name: not supported by cvs2svn $
28 // 29 //
29 // 30 //
30 // G4 Physics class: G4ChipsKaonZeroInelasticX 31 // G4 Physics class: G4ChipsKaonZeroInelasticXS for gamma+A cross sections
31 // Created: M.V. Kossov, CERN/ITEP(Moscow), 20 32 // Created: M.V. Kossov, CERN/ITEP(Moscow), 20-Dec-03
32 // The last update: M.V. Kossov, CERN/ITEP (Mo 33 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 15-Feb-04
33 // 34 //
34 // ******************************************* 35 // ****************************************************************************************
35 // Short description: Cross-sections extracted 36 // Short description: Cross-sections extracted (by W.Pokorski) from the CHIPS package for
36 // K(zero)-nuclear interactions. Original aut 37 // K(zero)-nuclear interactions. Original author: M. Kossov
37 // ------------------------------------------- 38 // -------------------------------------------------------------------------------------
38 // 39 //
39 40
40 #include "G4ChipsKaonZeroInelasticXS.hh" 41 #include "G4ChipsKaonZeroInelasticXS.hh"
41 #include "G4DynamicParticle.hh" 42 #include "G4DynamicParticle.hh"
42 #include "G4ParticleDefinition.hh" 43 #include "G4ParticleDefinition.hh"
43 #include "G4KaonZero.hh" 44 #include "G4KaonZero.hh"
44 #include "G4KaonZeroLong.hh" 45 #include "G4KaonZeroLong.hh"
45 #include "G4KaonZeroShort.hh" 46 #include "G4KaonZeroShort.hh"
46 #include "G4AntiKaonZero.hh" 47 #include "G4AntiKaonZero.hh"
47 #include "G4CrossSectionDataSetRegistry.hh" <<
48 48
49 // factory 49 // factory
50 #include "G4CrossSectionFactory.hh" 50 #include "G4CrossSectionFactory.hh"
51 // 51 //
52 G4_DECLARE_XS_FACTORY(G4ChipsKaonZeroInelastic 52 G4_DECLARE_XS_FACTORY(G4ChipsKaonZeroInelasticXS);
53 53
>> 54 // Initialization of the
>> 55 G4double* G4ChipsKaonZeroInelasticXS::lastLEN=0;// Pointer to the lastArray of LowEn CS
>> 56 G4double* G4ChipsKaonZeroInelasticXS::lastHEN=0;// Pointer to the lastArray of HighEnCS
>> 57 G4int G4ChipsKaonZeroInelasticXS::lastN=0; // The last N of calculated nucleus
>> 58 G4int G4ChipsKaonZeroInelasticXS::lastZ=0; // The last Z of calculated nucleus
>> 59 G4double G4ChipsKaonZeroInelasticXS::lastP=0.; // Last used in cross section Momentum
>> 60 G4double G4ChipsKaonZeroInelasticXS::lastTH=0.;// Last threshold momentum
>> 61 G4double G4ChipsKaonZeroInelasticXS::lastCS=0.;// Last value of the Cross Section
>> 62 G4int G4ChipsKaonZeroInelasticXS::lastI=0; // The last position in the DAMDB
>> 63
>> 64
54 G4ChipsKaonZeroInelasticXS::G4ChipsKaonZeroIne 65 G4ChipsKaonZeroInelasticXS::G4ChipsKaonZeroInelasticXS():G4VCrossSectionDataSet(Default_Name())
55 { 66 {
56 lastLEN=0;// Pointer to the lastArray of L <<
57 lastHEN=0;// Pointer to the lastArray of H <<
58 lastN=0; // The last N of calculated nucl <<
59 lastZ=0; // The last Z of calculated nucl <<
60 lastP=0.; // Last used in cross section Mo <<
61 lastTH=0.;// Last threshold momentum <<
62 lastCS=0.;// Last value of the Cross Secti <<
63 lastI=0; // The last position in the DAMD <<
64 <<
65 theKMinusCS = (G4ChipsKaonMinusInelasticXS*) 67 theKMinusCS = (G4ChipsKaonMinusInelasticXS*)G4CrossSectionDataSetRegistry::Instance()->GetCrossSectionDataSet(G4ChipsKaonMinusInelasticXS::Default_Name());;
66 theKPlusCS = (G4ChipsKaonPlusInelasticXS*)G4 68 theKPlusCS = (G4ChipsKaonPlusInelasticXS*)G4CrossSectionDataSetRegistry::Instance()->GetCrossSectionDataSet(G4ChipsKaonPlusInelasticXS::Default_Name());
67 } 69 }
68 70
69 71
70 G4ChipsKaonZeroInelasticXS::~G4ChipsKaonZeroIn 72 G4ChipsKaonZeroInelasticXS::~G4ChipsKaonZeroInelasticXS()
71 { 73 {
72 } 74 }
73 75
74 void << 76 G4bool G4ChipsKaonZeroInelasticXS::IsIsoApplicable(const G4DynamicParticle* Pt, G4int, G4int,
75 G4ChipsKaonZeroInelasticXS::CrossSectionDescri <<
76 { <<
77 outFile << "G4ChipsKaonZeroInelasticXS pro <<
78 << "section for K0 nucleus scatter <<
79 << "momentum. The cross section is <<
80 << "CHIPS parameterization of cros <<
81 } <<
82 <<
83 G4bool G4ChipsKaonZeroInelasticXS::IsIsoApplic <<
84 const G4Element*, 77 const G4Element*,
85 const G4Material*) 78 const G4Material*)
86 { 79 {
87 return true; << 80 G4ParticleDefinition* particle = Pt->GetDefinition();
>> 81
>> 82 if(particle == G4KaonZeroLong::KaonZeroLong() ||
>> 83 particle == G4KaonZeroShort::KaonZeroShort() ||
>> 84 particle == G4KaonZero::KaonZero() ||
>> 85 particle == G4AntiKaonZero::AntiKaonZero() )
>> 86 {
>> 87 return true;
>> 88 }
>> 89 return false;
88 } 90 }
89 91
90 92
91 93
92 // The main member function giving the collisi 94 // 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 95 // Make pMom in independent units ! (Now it is MeV)
94 96
95 G4double G4ChipsKaonZeroInelasticXS::GetIsoCro 97 G4double G4ChipsKaonZeroInelasticXS::GetIsoCrossSection(const G4DynamicParticle* Pt, G4int tgZ, G4int A,
96 const G4Isotope*, 98 const G4Isotope*,
97 const G4Element*, 99 const G4Element*,
98 const G4Material*) 100 const G4Material*)
99 { 101 {
100 G4double pMom=Pt->GetTotalMomentum(); 102 G4double pMom=Pt->GetTotalMomentum();
101 G4int N = A - tgZ; 103 G4int N = A - tgZ;
102 104
103 return GetChipsCrossSection(pMom, tgZ, N, 31 105 return GetChipsCrossSection(pMom, tgZ, N, 311);
104 } 106 }
105 107
106 G4double G4ChipsKaonZeroInelasticXS::GetChipsC 108 G4double G4ChipsKaonZeroInelasticXS::GetChipsCrossSection(G4double mom, G4int Z, G4int N, G4int pdg)
107 { 109 {
108 return (theKMinusCS->GetChipsCrossSection(mo 110 return (theKMinusCS->GetChipsCrossSection(mom,Z,N,pdg)
109 +theKPlusCS->GetChipsCrossSection(mom,Z,N, 111 +theKPlusCS->GetChipsCrossSection(mom,Z,N,pdg))/2;
110 } 112 }
111 113