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G4PenelopeBremsstrahlungFS.hh
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26 // $Id$
27 //
28 // Author: Luciano Pandola
29 //
30 // History:
31 // -----------
32 // 20 Oct 2010 L. Pandola 1st implementation.
33 // 02 May 2011 L. Pandola Remove dependency on CLHEP::HepMatrix
34 // 24 May 2011 L. Pandola Renamed (make default Penelope)
35 //
36 // -------------------------------------------------------------------
37 //
38 // Class description:
39 // Helper class for the calculation of final state (energy and angular
40 // distribution) for bremsstrahlung, Penelope Model, version 2008
41 // -------------------------------------------------------------------
42 
43 #ifndef G4PENELOPEBREMSSTRAHLUNGFS_HH
44 #define G4PENELOPEBREMSSTRAHLUNGFS_HH 1
45 
46 #include "globals.hh"
47 #include "G4DataVector.hh"
48 #include <map>
49 
51 class G4PhysicsLogVector;
52 class G4Material;
53 class G4PhysicsTable;
54 
56 {
57 public:
58 
61 
63  void ClearTables();
64  size_t GetNBinsX(){return nBinsX;};
65 
66 
67  //utilities
69  G4double up,G4int momOrder);
70 
73 
74 private:
75  //assignment operator
77  //copy constructor
79 
80  //Differential cross section tables
81  //Table contains G4PhysicsVectors of log(XS(E,x)) vs. log(E) for a grid of 32 values in
82  //x (= reduced photon energy)
83  std::map< std::pair<const G4Material*,G4double> ,
84  G4PhysicsTable*> *theReducedXSTable;
85 
86  void BuildScaledXSTable(const G4Material* material,G4double cut);
87  std::map<const G4Material*,G4double> *theEffectiveZSq;
88 
89 
90  //Element data table
91  static const size_t nBinsE = 57;
92  static const size_t nBinsX = 32;
93  //x and E grids used in the data tables
94  G4double theXGrid[nBinsX];
95  G4double theEGrid[nBinsE];
96  void ReadDataFile(G4int Z);
97 
98  //Map of element data vs. Z.
99  //This is conceptually an array [57][33] with 57 energy
100  //points and 32 points in x. The 33-th column gives the total XS vs. E.
101  //It is implemented as a one-dimensional array of dimension
102  //57*33=1881 elements. data[e][x] --> theElementData[e*(nBinsX+1)+x]
103  std::map<G4int,G4DataVector*> *theElementData;
104 
105  //Tables for energy sampling
106  void InitializeEnergySampling(const G4Material*,G4double cut);
107 
108  //Table contains G4PhysicsVectors of integral_XS(E,x) vs. x for a grid of
109  //57 values in energy
110  std::map< std::pair<const G4Material*,G4double> ,
111  G4PhysicsTable*> *theSamplingTable;
112  std::map< std::pair<const G4Material*,G4double> ,
113  G4PhysicsFreeVector* > *thePBcut;
114 
115  //temporary vector. Used as member variable to avoid to book/release the
116  //memory on the fly. This vector is over-written at every call of
117  //SampleGammaEnergy()
118  G4PhysicsFreeVector* theTempVec;
119 
120 };
121 
122 #endif
123