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Geant4/processes/electromagnetic/standard/include/G4GSPWACorrections.hh

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Differences between /processes/electromagnetic/standard/include/G4GSPWACorrections.hh (Version 11.3.0) and /processes/electromagnetic/standard/include/G4GSPWACorrections.hh (Version 11.2.2)


  1 //                                                  1 //
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 24 // *******************************************     24 // ********************************************************************
 25 //                                                 25 //
 26 //                                                 26 //
 27 // -------------------------------------------     27 // ----------------------------------------------------------------------------
 28 //                                                 28 //
 29 // GEANT4 Class header file                        29 // GEANT4 Class header file
 30 //                                                 30 //
 31 // File name:     G4GSPWACorrections               31 // File name:     G4GSPWACorrections
 32 //                                                 32 //
 33 // Author:        Mihaly Novak                     33 // Author:        Mihaly Novak
 34 //                                                 34 //
 35 // Creation date: 17.10.2017                       35 // Creation date: 17.10.2017
 36 //                                                 36 //
 37 // Modifications:                                  37 // Modifications:
 38 //                                                 38 //
 39 // Class description: class to describe and st     39 // Class description: class to describe and store correction factors to the
 40 //   integrated quantities of G4GoudsmitSaunde     40 //   integrated quantities of G4GoudsmitSaundersonMscModel (screening parameter,
 41 //   first and second moments) derived by usin     41 //   first and second moments) derived by using accurate Dirac-PWA based
 42 //   integrated quantities.                        42 //   integrated quantities.
 43 //                                                 43 //
 44 // -------------------------------------------     44 // ----------------------------------------------------------------------------
 45                                                    45 
 46 #ifndef G4GSPWACorrections_h                       46 #ifndef G4GSPWACorrections_h
 47 #define G4GSPWACorrections_h 1                     47 #define G4GSPWACorrections_h 1
 48                                                    48 
 49 #include <CLHEP/Units/SystemOfUnits.h>             49 #include <CLHEP/Units/SystemOfUnits.h>
 50                                                    50 
 51 #include "globals.hh"                              51 #include "globals.hh"
 52                                                    52 
 53 #include <vector>                                  53 #include <vector>
 54 #include <string>                                  54 #include <string>
 55 #include <sstream>                                 55 #include <sstream>
 56                                                    56 
 57 class G4Material;                                  57 class G4Material;
 58 class G4Element;                                   58 class G4Element;
 59                                                    59 
 60                                                    60 
 61 class G4GSPWACorrections {                         61 class G4GSPWACorrections {
 62 public:                                            62 public:
 63   G4GSPWACorrections(G4bool iselectron=true);      63   G4GSPWACorrections(G4bool iselectron=true);
 64                                                    64 
 65  ~G4GSPWACorrections();                            65  ~G4GSPWACorrections();
 66                                                    66 
 67   void     Initialise();                           67   void     Initialise();
 68                                                    68 
 69   void     GetPWACorrectionFactors(G4double lo     69   void     GetPWACorrectionFactors(G4double logekin, G4double beta2, G4int matindx,
 70                                    G4double &c     70                                    G4double &corToScr, G4double &corToQ1, G4double &corToG2PerG1);
 71 private:                                           71 private:
 72   void     InitDataPerElement();                   72   void     InitDataPerElement();
 73                                                    73 
 74   void     InitDataPerMaterials();                 74   void     InitDataPerMaterials();
 75                                                    75 
 76   void     LoadDataElement(const G4Element*);      76   void     LoadDataElement(const G4Element*);
 77                                                    77 
 78   void     InitDataMaterial(const G4Material*)     78   void     InitDataMaterial(const G4Material*);
 79                                                    79 
 80   void     ClearDataPerElement();                  80   void     ClearDataPerElement();
 81                                                    81 
 82   void     ClearDataPerMaterial();                 82   void     ClearDataPerMaterial();
 83                                                    83 
 84   // either per material or per Z                  84   // either per material or per Z
 85   struct DataPerMaterial {                         85   struct DataPerMaterial {
 86     std::vector<G4double>   fCorScreening;         86     std::vector<G4double>   fCorScreening;    // correction factor to Moliere screening parameter
 87     std::vector<G4double>   fCorFirstMoment;       87     std::vector<G4double>   fCorFirstMoment;  // correction factor to first moment
 88     std::vector<G4double>   fCorSecondMoment;      88     std::vector<G4double>   fCorSecondMoment; // correction factor to second
 89   };                                               89   };
 90                                                    90 
 91                                                    91 
 92 // data members                                    92 // data members
 93 private:                                           93 private:
 94   G4bool   fIsElectron;                            94   G4bool   fIsElectron;
 95   static constexpr G4int     gMaxZet    = 98;      95   static constexpr G4int     gMaxZet    = 98;                 // max. Z for which correction data were computed (98)
 96   static constexpr G4int     gNumEkin   = 31;      96   static constexpr G4int     gNumEkin   = 31;                 // number of kinetic energy grid points for Mott correction
 97   static constexpr G4int     gNumBeta2  = 16;      97   static constexpr G4int     gNumBeta2  = 16;                 // \beta^2 values between [fMinBeta2-fMaxBeta2]
 98   static constexpr G4double  gMinEkin   =   1.     98   static constexpr G4double  gMinEkin   =   1.*CLHEP::keV;    // minimum kinetic energy value
 99   static constexpr G4double  gMidEkin   = 100.     99   static constexpr G4double  gMidEkin   = 100.*CLHEP::keV;    // kinetic energy at the border of the E_{kin}-\beta^2 grids
100   static constexpr G4double  gMaxBeta2  =   0.    100   static constexpr G4double  gMaxBeta2  =   0.9999;           // maximum \beta^2 value
101   //                                              101   //
102   G4double                   fMaxEkin;            102   G4double                   fMaxEkin;        // from max fMaxBeta2 = 0.9999 (~50.5889 [MeV])
103   G4double                   fLogMinEkin;         103   G4double                   fLogMinEkin;     // \ln[fMinEkin]
104   G4double                   fInvLogDelEkin;      104   G4double                   fInvLogDelEkin;  // 1/[\ln(fMidEkin/fMinEkin)/(fNumEkin-fNumBeta2)]
105   G4double                   fMinBeta2;           105   G4double                   fMinBeta2;       // <= E_{kin}=100 [keV] (~0.300546)
106   G4double                   fInvDelBeta2;        106   G4double                   fInvDelBeta2;    // 1/[(fMaxBeta2-fMinBeta2)/(fNumBeta2-1)]
107   //                                              107   //
108   static const std::string   gElemSymbols[];      108   static const std::string   gElemSymbols[];
109   //                                              109   //
110   std::vector<DataPerMaterial*>  fDataPerEleme    110   std::vector<DataPerMaterial*>  fDataPerElement;   // size will be gMaxZet+1; won't be null only at used Z indices
111   std::vector<DataPerMaterial*>  fDataPerMater    111   std::vector<DataPerMaterial*>  fDataPerMaterial;  // size will #materials; won't be null only at used mat. indices
112                                                   112 
113 };                                                113 };
114                                                   114 
115 #endif                                            115 #endif
116                                                   116