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25 //
26 // G4InitXscPAI.hh -- header file
27 //
28 // History:
29 //
30 // 02.04.04, V. Grichine: 1st version based on G4PAIxSection class
31
32 #ifndef G4INITXSCPAI_HH
33 #define G4INITXSCPAI_HH
34
35 #include "G4ios.hh"
36 #include "globals.hh"
37 #include "Randomize.hh"
38 #include "G4OrderedTable.hh"
39 #include "G4PhysicsLogVector.hh"
40
41 class G4MaterialCutsCouple;
42 class G4SandiaTable;
43
44 class G4InitXscPAI
45 {
46 public:
47 // Constructors
48 explicit G4InitXscPAI( const G4MaterialCutsCouple* matCC);
49
50 ~G4InitXscPAI() ;
51
52 // Methods
53 // General control functions
54
55 void KillCloseIntervals();
56
57 void Normalisation();
58
59 // Physical methods
60 G4double RutherfordIntegral( G4int intervalNumber,
61 G4double limitLow,
62 G4double limitHigh ) ;
63
64 G4double IntegralTerm(G4double omega);
65
66 G4double ImPartDielectricConst( G4int intervalNumber,
67 G4double energy ) ;
68
69 G4double RePartDielectricConst(G4double energy) ;
70
71 G4double ModuleSqDielectricConst( G4int intervalNumber,
72 G4double energy ) ;
73
74 G4double DifPAIxSection( G4double omega ) ;
75 G4double DifPAIdEdx( G4double omega ) ;
76
77 G4double PAIdNdxCherenkov( G4double omega ) ;
78
79 G4double PAIdNdxPlasmon( G4double omega ) ;
80
81 void IntegralPAIxSection(G4double bg2, G4double Tmax) ;
82 void IntegralCherenkov(G4double bg2, G4double Tmax) ;
83 void IntegralPlasmon(G4double bg2, G4double Tmax) ;
84
85 void IntegralPAIdEdx(G4double bg2, G4double Tmax) ;
86
87 G4double GetPhotonLambda( G4double omega ) ;
88
89 G4double GetStepEnergyLoss( G4double step ) ;
90 G4double GetStepCerenkovLoss( G4double step ) ;
91 G4double GetStepPlasmonLoss( G4double step ) ;
92
93 // Inline access functions
94
95
96 G4int GetIntervalNumber() const { return fIntervalNumber ; }
97 G4int GetBinPAI() const { return fPAIbin ; }
98
99 G4double GetNormalizationCof() const { return fNormalizationCof ; }
100
101 G4double GetMatSandiaMatrix(G4int i, G4int j) const
102 { return (*(*fMatSandiaMatrix)[i])[j]; }
103
104 G4PhysicsLogVector* GetPAIxscVector() const { return fPAIxscVector;}
105 G4PhysicsLogVector* GetPAIdEdxVector() const { return fPAIdEdxVector;}
106 G4PhysicsLogVector* GetPAIphotonVector() const { return fPAIphotonVector;}
107 G4PhysicsLogVector* GetPAIelectronVector() const { return fPAIelectronVector;}
108 G4PhysicsLogVector* GetChCosSqVector() const { return fChCosSqVector;}
109 G4PhysicsLogVector* GetChWidthVector() const { return fChWidthVector;}
110
111 G4InitXscPAI & operator=(const G4InitXscPAI &right) = delete;
112 G4InitXscPAI(const G4InitXscPAI&) = delete;
113
114 private :
115
116 // Local class constants
117
118 static const G4double fDelta ; // energy shift from interval border = 0.001
119 static const G4int fPAIbin;
120 static const G4double fSolidDensity; // ~the border between gases and solids
121
122 G4int fIntervalNumber; // The number of energy intervals
123 G4double fNormalizationCof; // Normalization cof for PhotoAbsorptionXsection
124 G4int fCurrentInterval;
125 G4int fIntervalTmax;
126 G4double fBetaGammaSq ; // (beta*gamma)^2
127 G4double fTmax;
128 G4double fDensity ; // Current density
129 G4double fElectronDensity ; // Current electron (number) density
130
131 // Arrays of Sandia coefficients
132 G4OrderedTable* fMatSandiaMatrix;
133 G4SandiaTable* fSandia;
134
135 // vectors of integral cross-sections
136 G4PhysicsLogVector* fPAIxscVector;
137 G4PhysicsLogVector* fPAIdEdxVector;
138 G4PhysicsLogVector* fPAIphotonVector;
139 G4PhysicsLogVector* fPAIelectronVector;
140 G4PhysicsLogVector* fChCosSqVector;
141 G4PhysicsLogVector* fChWidthVector;
142 };
143
144 #endif
145
146 //
147 //
148 ///////////////// end of G4InitXscPAI header file //////////////////////
149