G4QKaonMinusElasticCrossSection.hh

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00027 // GEANT4 tag $Name: not supported by cvs2svn $
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00029 //
00030 // GEANT4 physics class: G4QKaonMinusElasticCrossSection -- header file
00031 // M.V. Kossov, ITEP(Moscow), 5-Feb-2010
00032 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 5-Feb-2010
00033 //
00034 // -------------------------------------------------------------------------------
00035 // Short description: Interaction cross-sections for the G4QElastic process
00036 // -------------------------------------------------------------------------------
00037 
00038 #ifndef G4QKaonMinusElasticCrossSection_h
00039 #define G4QKaonMinusElasticCrossSection_h 1
00040 
00041 #include "G4QPDGCode.hh"
00042 // #include "G4QException.hh"
00043 #include <vector>
00044 #include "Randomize.hh"
00045 #include "G4VQCrossSection.hh"
00046 
00047 class G4QKaonMinusElasticCrossSection : public G4VQCrossSection
00048 {
00049 protected:
00050 
00051   G4QKaonMinusElasticCrossSection();               // Constructor
00052 
00053 public:
00054 
00055   ~G4QKaonMinusElasticCrossSection();
00056 
00057   static G4VQCrossSection* GetPointer(); // Gives a pointer to this singletone
00058 
00059   // Cross-section is mb. At present momentum (pMom) is in MeV=IU (@@ make Indep. Units)
00060   virtual G4double GetCrossSection(G4bool fCS, G4double pMom, G4int tgZ, G4int tgN,
00061                                                                          G4int pPDG=-321);
00062 
00063   G4double CalculateCrossSection(G4bool CS, G4int F, G4int I, G4int pPDG, G4int Z, G4int N,
00064                                                                               G4double pP);
00065   G4double GetSlope(G4int tZ, G4int tN, G4int pPDG);     // Slope of the 1st diff. maximum
00066   G4double GetExchangeT(G4int tZ, G4int tN, G4int pPDG); // Randomizes -t=Q2 (in IU=MeV^2)
00067   G4double GetHMaxT();                   // Currrent Max(-t=Q2)/2. (in IU=MeV^2)
00068 
00069 private:
00070   G4double GetPTables(G4double lpP, G4double lPm, G4int PDG, G4int tZ, G4int tN); // newLP
00071   G4double GetTabValues(G4double lp, G4int pPDG, G4int tgZ, G4int tgN); // return CS(Si/Bi)
00072   G4double GetQ2max(G4int pPDG, G4int tgZ, G4int tgN, G4double pP); // return -t=Q2
00073 
00074 // Body
00075 private:
00076   // --- Data formating AMDB (define the precalculated table structure) ---
00077   static const G4int nPoints;// #of points in the AMDB tables     
00078   static const G4int nLast;  // the Last element in the table
00079   static G4double    lPMin;  // Min tabulated logarithmic Momentum  
00080   static G4double    lPMax;  // Max tabulated logarithmic Momentum  
00081   static G4double    dlnP;   // Log step in the table     
00082   // ---- Local (for particular pP, pPDG, tZ, tN) -----
00083   static G4bool    onlyCS;   // flag to calculate only CS (not S1/B1,S2/B2,S3/B3)
00084   static G4double  lastSIG;  // Last calculated cross section
00085   static G4double  lastLP;   // Last log(mom_of_the_incident_hadron in GeV)
00086   static G4double  lastTM;   // Last t_maximum                       
00087   static G4int     lastN;    // The last N of calculated nucleus
00088   static G4int     lastZ;    // The last Z of calculated nucleus
00089   static G4double  lastP;    // Last used in the cross section Momentum
00090   static G4double  lastTH;   // Last value of the Momentum Threshold
00091   static G4double  lastCS;   // Last value of the Cross Section
00092   static G4int     lastI;    // The last position in the DAMDB
00093   static G4double  theSS;    // The Last squared slope of first diffruction 
00094   static G4double  theS1;    // The Last mantissa of first diffruction 
00095   static G4double  theB1;    // The Last slope of first diffruction    
00096   static G4double  theS2;    // The Last mantissa of second diffruction
00097   static G4double  theB2;    // The Last slope of second diffruction   
00098   static G4double  theS3;    // The Last mantissa of third diffruction 
00099   static G4double  theB3;    // The Last slope of third diffruction    
00100   static G4double  theS4;    // The Last mantissa of 4-th diffruction 
00101   static G4double  theB4;    // The Last slope of 4-th diffruction    
00102   // ---- Global (AMBD of P-dependent tables for pPDG,tZ,tN) -----
00103   static G4int     lastTZ;   // Last atomic number of the target
00104   static G4int     lastTN;   // Last number of neutrons of the target
00105   static G4double  lastPIN;  // Last initialized max momentum
00106   static G4double* lastCST;  // Last cross-section table
00107   static G4double* lastPAR;  // Last parameters for functional calculation
00108   static G4double* lastSST;  // E-dep of squared slope of the first difruction 
00109   static G4double* lastS1T;  // E-dep of mantissa of the first difruction 
00110   static G4double* lastB1T;  // E-dep of the slope of the first difruction
00111   static G4double* lastS2T;  // E-dep of mantissa of the second difruction
00112   static G4double* lastB2T;  // E-dep of the slope of theSecond difruction
00113   static G4double* lastS3T;  // E-dep of mantissa of the third difruction 
00114   static G4double* lastB3T;  // E-dep of the slope of the third difruction
00115   static G4double* lastS4T;  // E-dep of mantissa of the 4-th difruction 
00116   static G4double* lastB4T;  // E-dep of the slope of the 4-th difruction
00117 
00118   static std::vector <G4double*> PAR;   // Vector of parameters for functional calculations
00119   static std::vector <G4double*> CST;   // Vector of cross-section table
00120   static std::vector <G4double*> SST;   // Vector of the first squared slope
00121   static std::vector <G4double*> S1T;   // Vector of the first mantissa
00122   static std::vector <G4double*> B1T;   // Vector of the first slope
00123   static std::vector <G4double*> S2T;   // Vector of the secon mantissa
00124   static std::vector <G4double*> B2T;   // Vector of the second slope
00125   static std::vector <G4double*> S3T;   // Vector of the third mantissa
00126   static std::vector <G4double*> B3T;   // Vector of the third slope
00127   static std::vector <G4double*> S4T;   // Vector of the 4-th mantissa (gloria)
00128   static std::vector <G4double*> B4T;   // Vector of the 4-th slope    (gloria)
00129  };
00130 #endif

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