| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 //
28 //
29 // GEANT4 physics class: G4ChipsKaonMinusElasticXS -- header file
30 // M.V. Kossov, ITEP(Moscow), 5-Feb-2010
31 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 5-Feb-2010
32 //
33 // -------------------------------------------------------------------------------
34 // Short description: Interaction cross-sections for the elastic process.
35 // Class extracted from CHIPS and integrated in Geant4 by W.Pokorski
36 // -------------------------------------------------------------------------------
37 //
38
39 #ifndef G4ChipsKaonMinusElasticXS_h
40 #define G4ChipsKaonMinusElasticXS_h 1
41
42 #include <vector>
43 #include "Randomize.hh"
44 #include "G4VCrossSectionDataSet.hh"
45
46 class G4ChipsKaonMinusElasticXS : public G4VCrossSectionDataSet
47 {
48
49 public:
50
51 G4ChipsKaonMinusElasticXS(); // Constructor
52
53 ~G4ChipsKaonMinusElasticXS();
54
55 static const char* Default_Name() {return "ChipsKaonMinusElasticXS";}
56
57 virtual void CrossSectionDescription(std::ostream&) const;
58
59 virtual G4bool IsIsoApplicable(const G4DynamicParticle* Pt, G4int Z, G4int A,
60 const G4Element* elm,
61 const G4Material* mat );
62
63 // At present momentum (pMom) in MeV/c, CS in mb (@@ Units)
64 virtual G4double GetIsoCrossSection(const G4DynamicParticle*, G4int tgZ, G4int A,
65 const G4Isotope* iso = 0,
66 const G4Element* elm = 0,
67 const G4Material* mat = 0);
68
69 virtual G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg);
70
71 G4double GetExchangeT(G4int tZ, G4int tN, G4int pPDG); // Randomizes -t=Q2 (in IU=MeV^2)
72
73 private:
74
75 G4double CalculateCrossSection(G4bool CS, G4int F, G4int I, G4int pPDG, G4int Z, G4int N,
76 G4double pP);
77 G4double GetSlope(G4int tZ, G4int tN, G4int pPDG); // Slope of the 1st diff. maximum
78 G4double GetHMaxT(); // Currrent Max(-t=Q2)/2. (in IU=MeV^2)
79
80 G4double GetPTables(G4double lpP, G4double lPm, G4int PDG, G4int tZ, G4int tN); // newLP
81 G4double GetTabValues(G4double lp, G4int pPDG, G4int tgZ, G4int tgN); // return CS(Si/Bi)
82 G4double GetQ2max(G4int pPDG, G4int tgZ, G4int tgN, G4double pP); // return -t=Q2
83
84 // Body
85 private:
86 // --- Data formating AMDB (define the precalculated table structure) ---
87 const G4int nPoints;// #of points in the AMDB tables
88 const G4int nLast; // the Last element in the table
89 G4double lPMin; // Min tabulated logarithmic Momentum
90 G4double lPMax; // Max tabulated logarithmic Momentum
91 G4double dlnP; // Log step in the table
92 // ---- Local (for particular pP, pPDG, tZ, tN) -----
93 G4bool onlyCS; // flag to calculate only CS (not S1/B1,S2/B2,S3/B3)
94 G4double lastSIG; // Last calculated cross section
95 G4double lastLP; // Last log(mom_of_the_incident_hadron in GeV)
96 G4double lastTM; // Last t_maximum
97 G4int lastN; // The last N of calculated nucleus
98 G4int lastZ; // The last Z of calculated nucleus
99 G4double lastP; // Last used in the cross section Momentum
100 G4double lastTH; // Last value of the Momentum Threshold
101 G4double lastCS; // Last value of the Cross Section
102 G4int lastI; // The last position in the DAMDB
103 G4double theSS; // The Last squared slope of first diffruction
104 G4double theS1; // The Last mantissa of first diffruction
105 G4double theB1; // The Last slope of first diffruction
106 G4double theS2; // The Last mantissa of second diffruction
107 G4double theB2; // The Last slope of second diffruction
108 G4double theS3; // The Last mantissa of third diffruction
109 G4double theB3; // The Last slope of third diffruction
110 G4double theS4; // The Last mantissa of 4-th diffruction
111 G4double theB4; // The Last slope of 4-th diffruction
112 // ---- Global (AMBD of P-dependent tables for pPDG,tZ,tN) -----
113 G4int lastTZ; // Last atomic number of the target
114 G4int lastTN; // Last number of neutrons of the target
115 G4double lastPIN; // Last initialized max momentum
116 G4double* lastCST; // Last cross-section table
117 G4double* lastPAR; // Last parameters for functional calculation
118 G4double* lastSST; // E-dep of squared slope of the first difruction
119 G4double* lastS1T; // E-dep of mantissa of the first difruction
120 G4double* lastB1T; // E-dep of the slope of the first difruction
121 G4double* lastS2T; // E-dep of mantissa of the second difruction
122 G4double* lastB2T; // E-dep of the slope of theSecond difruction
123 G4double* lastS3T; // E-dep of mantissa of the third difruction
124 G4double* lastB3T; // E-dep of the slope of the third difruction
125 G4double* lastS4T; // E-dep of mantissa of the 4-th difruction
126 G4double* lastB4T; // E-dep of the slope of the 4-th difruction
127
128 std::vector <G4double*> PAR; // Vector of parameters for functional calculations
129 std::vector <G4double*> CST; // Vector of cross-section table
130 std::vector <G4double*> SST; // Vector of the first squared slope
131 std::vector <G4double*> S1T; // Vector of the first mantissa
132 std::vector <G4double*> B1T; // Vector of the first slope
133 std::vector <G4double*> S2T; // Vector of the secon mantissa
134 std::vector <G4double*> B2T; // Vector of the second slope
135 std::vector <G4double*> S3T; // Vector of the third mantissa
136 std::vector <G4double*> B3T; // Vector of the third slope
137 std::vector <G4double*> S4T; // Vector of the 4-th mantissa (gloria)
138 std::vector <G4double*> B4T; // Vector of the 4-th slope (gloria)
139
140 std::vector <G4int> colN; // Vector of N for calculated nuclei (isotops)
141 std::vector <G4int> colZ; // Vector of Z for calculated nuclei (isotops)
142 std::vector <G4double> colP; // Vector of last momenta for the reaction
143 std::vector <G4double> colTH; // Vector of energy thresholds for the reaction
144 std::vector <G4double> colCS; // Vector of last cross sections for the reaction
145
146 std::vector <G4double> PIN; // Vector of max initialized log(P) in the table
147
148
149 };
150 #endif
151