| Geant4 Cross Reference |
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25 //
26 //
27 // Author: Luciano Pandola
28 //
29 // History:
30 // -----------
31 // 20 Oct 2010 L. Pandola 1st implementation.
32 // 02 May 2011 L. Pandola Remove dependency on CLHEP::HepMatrix
33 // 24 May 2011 L. Pandola Renamed (make default Penelope)
34 // 03 Oct 2013 L. Pandola Migration to MT
35 // 07 Oct 2013 L. Pandola Add verbosity and ismaster flag for the
36 // master-only methods
37 // 30 Oct 2013 L. Pandola Add a G4Cache of temporary vectors as
38 // private member.
39 //
40 // -------------------------------------------------------------------
41 //
42 // Class description:
43 // Helper class for the calculation of final state (energy and angular
44 // distribution) for bremsstrahlung, Penelope Model, version 2008
45 // -------------------------------------------------------------------
46
47 #ifndef G4PENELOPEBREMSSTRAHLUNGFS_HH
48 #define G4PENELOPEBREMSSTRAHLUNGFS_HH 1
49
50 #include "globals.hh"
51 #include "G4DataVector.hh"
52 #include "G4Cache.hh"
53 #include <map>
54
55 class G4PhysicsFreeVector;
56 class G4PhysicsLogVector;
57 class G4Material;
58 class G4PhysicsTable;
59
60 class G4PenelopeBremsstrahlungFS
61 {
62 public:
63 //! Only master models are supposed to create instances
64 explicit G4PenelopeBremsstrahlungFS(G4int verbosity=0);
65 ~G4PenelopeBremsstrahlungFS();
66
67 //!
68 //! Master and workers (do not touch tables)
69 //! All of them are const
70 //!
71 G4double GetEffectiveZSquared(const G4Material* mat) const;
72 size_t GetNBinsX() const {return fNBinsX;};
73 G4double GetMomentumIntegral(G4double* y,
74 G4double up,G4int momOrder) const;
75 const G4PhysicsTable* GetScaledXSTable(const G4Material*,
76 const G4double cut) const;
77 G4double SampleGammaEnergy(G4double energy,
78 const G4Material*, const G4double cut) const;
79
80 //! Reserved for the master model: they build and handle tables
81 void ClearTables(G4bool isMaster=true);
82 void BuildScaledXSTable(const G4Material* material,G4double cut,
83 G4bool isMaster);
84
85 void SetVerbosity(G4int ver){fVerbosity=ver;};
86 G4int GetVerbosity(){return fVerbosity;};
87
88 G4PenelopeBremsstrahlungFS & operator=(const G4PenelopeBremsstrahlungFS &right) = delete;
89 G4PenelopeBremsstrahlungFS(const G4PenelopeBremsstrahlungFS&) = delete;
90
91 private:
92 void ReadDataFile(G4int Z);
93 //Tables for energy sampling
94 void InitializeEnergySampling(const G4Material*,G4double cut);
95
96 //Differential cross section tables
97 //Table contains G4PhysicsVectors of log(XS(E,x)) vs. log(E)
98 //for a grid of 32 values in x (= reduced photon energy)
99 std::map< std::pair<const G4Material*,G4double> ,
100 G4PhysicsTable*> *fReducedXSTable;
101
102 std::map<const G4Material*,G4double> *fEffectiveZSq;
103
104 //Map of element data vs. Z.
105 //This is conceptually an array [57][33] with 57 energy
106 //points and 32 points in x. The 33-th column gives the total XS vs. E.
107 //It is implemented as a one-dimensional array of dimension
108 //57*33=1881 elements. data[e][x] --> theElementData[e*(nBinsX+1)+x]
109 std::map<G4int,G4DataVector*> *fElementData;
110
111 //Table contains G4PhysicsVectors of integral_XS(E,x) vs. x for a grid of
112 //57 values in energy
113 std::map< std::pair<const G4Material*,G4double> ,
114 G4PhysicsTable*> *fSamplingTable;
115 std::map< std::pair<const G4Material*,G4double> ,
116 G4PhysicsFreeVector* > *fPBcut;
117
118 //temporary vector. Used as member variable to avoid to book/release the
119 //memory on the fly. This vector is over-written at every call of
120 //SampleGammaEnergy(). It is thread-local (each thread has its own)
121 //and managed by G4Cache
122 G4Cache<G4PhysicsFreeVector*> fCache;
123
124 //Element data table
125 static const size_t fNBinsE = 57;
126 static const size_t fNBinsX = 32;
127 //x and E grids used in the data tables
128 G4double theXGrid[fNBinsX];
129 G4double theEGrid[fNBinsE];
130
131 G4int fVerbosity;
132
133 };
134
135 #endif
136
137