source: trunk/source/processes/hadronic/models/chiral_inv_phase_space/cross_sections/include/G4QHyperonPlusElasticCrossSection.hh @ 1340

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27// GEANT4 tag $Name: hadr-chips-V09-03-08 $
28//
29//
30// GEANT4 physics class: G4QHyperonPlusElasticCrossSection -- header file
31// M.V. Kossov, ITEP(Moscow), 5-Feb-2010
32// The last update: M.V. Kossov, CERN/ITEP (Moscow) 5-Feb-2010
33//
34//================================================================================
35// Short description: Interaction cross-sections for the G4QElastic process
36// -------------------------------------------------------------------------------
37
38#ifndef G4QHyperonPlusElasticCrossSection_h
39#define G4QHyperonPlusElasticCrossSection_h 1
40
41#include "G4QPDGCode.hh"
42#include "G4QException.hh"
43#include <vector>
44#include "Randomize.hh"
45#include "G4VQCrossSection.hh"
46
47class G4QHyperonPlusElasticCrossSection : public G4VQCrossSection
48{
49protected:
50
51  G4QHyperonPlusElasticCrossSection();               // Constructor
52
53public:
54
55  ~G4QHyperonPlusElasticCrossSection();
56
57  static G4VQCrossSection* GetPointer(); // Gives a pointer to this singletone
58
59  // Cross-section is mb. At present momentum (pMom) is in MeV=IU (@@ make Indep. Units)
60  virtual G4double GetCrossSection(G4bool fCS, G4double pMom, G4int tgZ, G4int tgN,
61                                                                         G4int pPDG=3222);
62
63  G4double CalculateCrossSection(G4bool CS, G4int F, G4int I, G4int pPDG, G4int Z, G4int N,
64                                                                              G4double pP);
65  G4double GetSlope(G4int tZ, G4int tN, G4int pPDG);     // Slope of the 1st diff. maximum
66  G4double GetExchangeT(G4int tZ, G4int tN, G4int pPDG); // Randomizes -t=Q2 (in IU=MeV^2)
67  G4double GetHMaxT();                   // Currrent Max(-t=Q2)/2. (in IU=MeV^2)
68
69private:
70  G4double GetPTables(G4double lpP, G4double lPm, G4int PDG, G4int tZ, G4int tN); // newLP
71  G4double GetTabValues(G4double lp, G4int pPDG, G4int tgZ, G4int tgN); // return CS(Si/Bi)
72  G4double GetQ2max(G4int pPDG, G4int tgZ, G4int tgN, G4double pP); // return -t=Q2
73
74// Body
75private:
76  // --- Data formating AMDB (define the precalculated table structure) ---
77  static const G4int nPoints;// #of points in the AMDB tables     
78  static const G4int nLast;  // the Last element in the table
79  static G4double    lPMin;  // Min tabulated logarithmic Momentum 
80  static G4double    lPMax;  // Max tabulated logarithmic Momentum 
81  static G4double    dlnP;   // Log step in the table     
82  // ---- Local (for particular pP, pPDG, tZ, tN) -----
83  static G4bool    onlyCS;   // flag to calculate only CS (not S1/B1,S2/B2,S3/B3)
84  static G4double  lastSIG;  // Last calculated cross section
85  static G4double  lastLP;   // Last log(mom_of_the_incident_hadron in GeV)
86  static G4double  lastTM;   // Last t_maximum                       
87  static G4int     lastN;    // The last N of calculated nucleus
88  static G4int     lastZ;    // The last Z of calculated nucleus
89  static G4double  lastP;    // Last used in the cross section Momentum
90  static G4double  lastTH;   // Last value of the Momentum Threshold
91  static G4double  lastCS;   // Last value of the Cross Section
92  static G4int     lastI;    // The last position in the DAMDB
93  static G4double  theSS;    // The Last squared slope of first diffruction
94  static G4double  theS1;    // The Last mantissa of first diffruction
95  static G4double  theB1;    // The Last slope of first diffruction   
96  static G4double  theS2;    // The Last mantissa of second diffruction
97  static G4double  theB2;    // The Last slope of second diffruction   
98  static G4double  theS3;    // The Last mantissa of third diffruction
99  static G4double  theB3;    // The Last slope of third diffruction   
100  static G4double  theS4;    // The Last mantissa of 4-th diffruction
101  static G4double  theB4;    // The Last slope of 4-th diffruction   
102  // ---- Global (AMBD of P-dependent tables for pPDG,tZ,tN) -----
103  static G4int     lastTZ;   // Last atomic number of the target
104  static G4int     lastTN;   // Last number of neutrons of the target
105  static G4double  lastPIN;  // Last initialized max momentum
106  static G4double* lastCST;  // Last cross-section table
107  static G4double* lastPAR;  // Last parameters for functional calculation
108  static G4double* lastSST;  // E-dep of squared slope of the first difruction
109  static G4double* lastS1T;  // E-dep of mantissa of the first difruction
110  static G4double* lastB1T;  // E-dep of the slope of the first difruction
111  static G4double* lastS2T;  // E-dep of mantissa of the second difruction
112  static G4double* lastB2T;  // E-dep of the slope of theSecond difruction
113  static G4double* lastS3T;  // E-dep of mantissa of the third difruction
114  static G4double* lastB3T;  // E-dep of the slope of the third difruction
115  static G4double* lastS4T;  // E-dep of mantissa of the 4-th difruction
116  static G4double* lastB4T;  // E-dep of the slope of the 4-th difruction
117
118  static std::vector <G4double*> PAR;   // Vector of parameters for functional calculations
119  static std::vector <G4double*> CST;   // Vector of cross-section table
120  static std::vector <G4double*> SST;   // Vector of the first squared slope
121  static std::vector <G4double*> S1T;   // Vector of the first mantissa
122  static std::vector <G4double*> B1T;   // Vector of the first slope
123  static std::vector <G4double*> S2T;   // Vector of the secon mantissa
124  static std::vector <G4double*> B2T;   // Vector of the second slope
125  static std::vector <G4double*> S3T;   // Vector of the third mantissa
126  static std::vector <G4double*> B3T;   // Vector of the third slope
127  static std::vector <G4double*> S4T;   // Vector of the 4-th mantissa (gloria)
128  static std::vector <G4double*> B4T;   // Vector of the 4-th slope    (gloria)
129 };
130#endif
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