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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: G4ChipsKaonZeroElasticXS 31 // G4 Physics class: G4ChipsKaonZeroElasticXS 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 "G4ChipsKaonZeroElasticXS.hh" 41 #include "G4ChipsKaonZeroElasticXS.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(G4ChipsKaonZeroElasticXS 52 G4_DECLARE_XS_FACTORY(G4ChipsKaonZeroElasticXS);
53 53
>> 54 // Initialization of the
>> 55 G4double* G4ChipsKaonZeroElasticXS::lastLEN=0;// Pointer to the lastArray of LowEn CS
>> 56 G4double* G4ChipsKaonZeroElasticXS::lastHEN=0;// Pointer to the lastArray of HighEnCS
>> 57 G4int G4ChipsKaonZeroElasticXS::lastN=0; // The last N of calculated nucleus
>> 58 G4int G4ChipsKaonZeroElasticXS::lastZ=0; // The last Z of calculated nucleus
>> 59 G4double G4ChipsKaonZeroElasticXS::lastP=0.; // Last used in cross section Momentum
>> 60 G4double G4ChipsKaonZeroElasticXS::lastTH=0.;// Last threshold momentum
>> 61 G4double G4ChipsKaonZeroElasticXS::lastCS=0.;// Last value of the Cross Section
>> 62 G4int G4ChipsKaonZeroElasticXS::lastI=0; // The last position in the DAMDB
54 63
55 64
56 G4ChipsKaonZeroElasticXS::G4ChipsKaonZeroElast 65 G4ChipsKaonZeroElasticXS::G4ChipsKaonZeroElasticXS():G4VCrossSectionDataSet(Default_Name())
57 { 66 {
58 <<
59 lastLEN=0;// Pointer to the lastArray of L <<
60 lastHEN=0;// Pointer to the lastArray of H <<
61 lastN=0; // The last N of calculated nucl <<
62 lastZ=0; // The last Z of calculated nucl <<
63 lastP=0.; // Last used in cross section Mo <<
64 lastTH=0.;// Last threshold momentum <<
65 lastCS=0.;// Last value of the Cross Secti <<
66 lastI=0; // The last position in the DAMD <<
67 <<
68 theKMinusCS = (G4ChipsKaonMinusElasticXS*)G4 67 theKMinusCS = (G4ChipsKaonMinusElasticXS*)G4CrossSectionDataSetRegistry::Instance()->GetCrossSectionDataSet(G4ChipsKaonMinusElasticXS::Default_Name());;
69 theKPlusCS = (G4ChipsKaonPlusElasticXS*)G4Cr 68 theKPlusCS = (G4ChipsKaonPlusElasticXS*)G4CrossSectionDataSetRegistry::Instance()->GetCrossSectionDataSet(G4ChipsKaonPlusElasticXS::Default_Name());
70 } 69 }
71 70
72 71
73 G4ChipsKaonZeroElasticXS::~G4ChipsKaonZeroElas 72 G4ChipsKaonZeroElasticXS::~G4ChipsKaonZeroElasticXS()
74 { 73 {
75 } 74 }
76 75
77 void << 76 G4bool G4ChipsKaonZeroElasticXS::IsIsoApplicable(const G4DynamicParticle* Pt, G4int, G4int,
78 G4ChipsKaonZeroElasticXS::CrossSectionDescript <<
79 { <<
80 outFile << "G4ChipsKaonZeroElasticXS provi <<
81 << "section for K0 nucleus scatter <<
82 << "momentum. The cross section is <<
83 << "CHIPS parameterization of cros <<
84 } <<
85 <<
86 G4bool G4ChipsKaonZeroElasticXS::IsIsoApplicab <<
87 const G4Element*, 77 const G4Element*,
88 const G4Material*) 78 const G4Material*)
89 { 79 {
90 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;
91 } 90 }
92 91
93 92
94 93
95 // 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)
96 // Make pMom in independent units ! (Now it is 95 // Make pMom in independent units ! (Now it is MeV)
97 96
98 G4double G4ChipsKaonZeroElasticXS::GetIsoCross 97 G4double G4ChipsKaonZeroElasticXS::GetIsoCrossSection(const G4DynamicParticle* Pt, G4int tgZ, G4int A,
99 const G4Isotope*, 98 const G4Isotope*,
100 const G4Element*, 99 const G4Element*,
101 const G4Material*) 100 const G4Material*)
102 { 101 {
103 G4double pMom=Pt->GetTotalMomentum(); 102 G4double pMom=Pt->GetTotalMomentum();
104 G4int N = A - tgZ; 103 G4int N = A - tgZ;
105 104
106 return GetChipsCrossSection(pMom, tgZ, N, 31 105 return GetChipsCrossSection(pMom, tgZ, N, 311);
107 } 106 }
108 107
109 G4double G4ChipsKaonZeroElasticXS::GetChipsCro 108 G4double G4ChipsKaonZeroElasticXS::GetChipsCrossSection(G4double mom, G4int Z, G4int N, G4int pdg)
110 { 109 {
111 return (theKMinusCS->GetChipsCrossSection(mo 110 return (theKMinusCS->GetChipsCrossSection(mom,Z,N,pdg)
112 +theKPlusCS->GetChipsCrossSection(mom,Z,N, 111 +theKPlusCS->GetChipsCrossSection(mom,Z,N,pdg))/2;
113 } 112 }
114 113
115 114
116 115