G4InitXscPAI.hh

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00026 //
00027 // $Id$
00028 //
00029 // 
00030 // G4InitXscPAI.hh -- header file
00031 //
00032 // History:
00033 //
00034 // 02.04.04, V. Grichine: 1st version based on G4PAIxSection class
00035 
00036 #ifndef G4INITXSCPAI_HH
00037 #define G4INITXSCPAI_HH
00038 
00039 #include "G4ios.hh"
00040 #include "globals.hh"
00041 #include "Randomize.hh"
00042 #include "G4OrderedTable.hh"
00043 #include "G4PhysicsLogVector.hh"
00044 
00045 class G4MaterialCutsCouple;
00046 class G4SandiaTable;
00047 
00048 class G4InitXscPAI
00049 {
00050 public:
00051           // Constructors
00052   G4InitXscPAI( const G4MaterialCutsCouple* matCC);
00053 
00054   virtual ~G4InitXscPAI() ;
00055 
00056   // Methods
00057   // General control functions
00058 
00059   void KillCloseIntervals();
00060 
00061   void Normalisation();
00062 
00063 
00064   // Physical methods
00065 
00066 
00067   G4double RutherfordIntegral( G4int intervalNumber,
00068                                        G4double limitLow,
00069                                        G4double limitHigh     ) ;
00070 
00071   G4double IntegralTerm(G4double omega);
00072 
00073   G4double ImPartDielectricConst( G4int intervalNumber,
00074                                           G4double energy        ) ;
00075 
00076   G4double RePartDielectricConst(G4double energy) ;
00077 
00078   G4double ModuleSqDielectricConst( G4int intervalNumber,
00079                                           G4double energy        ) ;
00080 
00081   G4double DifPAIxSection( G4double omega ) ;
00082   G4double DifPAIdEdx( G4double omega ) ;
00083 
00084   G4double PAIdNdxCherenkov( G4double omega ) ;
00085 
00086   G4double PAIdNdxPlasmon( G4double omega ) ;
00087 
00088   void     IntegralPAIxSection(G4double bg2, G4double Tmax) ;
00089   void     IntegralCherenkov(G4double bg2, G4double Tmax) ;
00090   void     IntegralPlasmon(G4double bg2, G4double Tmax) ;
00091 
00092   void      IntegralPAIdEdx(G4double bg2, G4double Tmax) ;
00093 
00094 
00095   G4double GetPhotonLambda( G4double omega ) ;
00096 
00097 
00098   G4double GetStepEnergyLoss( G4double step ) ;
00099   G4double GetStepCerenkovLoss( G4double step ) ;
00100   G4double GetStepPlasmonLoss( G4double step ) ;
00101 
00102   // Inline access functions
00103 
00104 
00105   G4int GetIntervalNumber() const { return fIntervalNumber ; }
00106   G4int GetBinPAI() const { return fPAIbin ; }
00107 
00108   G4double GetNormalizationCof() const { return fNormalizationCof ; }
00109 
00110   G4double GetMatSandiaMatrix(G4int i, G4int j) const
00111           { return (*(*fMatSandiaMatrix)[i])[j]; }
00112 
00113   G4PhysicsLogVector* GetPAIxscVector() const { return fPAIxscVector;}
00114   G4PhysicsLogVector* GetPAIdEdxVector() const { return fPAIdEdxVector;}
00115   G4PhysicsLogVector* GetPAIphotonVector() const { return fPAIphotonVector;}
00116   G4PhysicsLogVector* GetPAIelectronVector() const { return fPAIelectronVector;}
00117   G4PhysicsLogVector* GetChCosSqVector() const { return fChCosSqVector;}
00118   G4PhysicsLogVector* GetChWidthVector() const { return fChWidthVector;}
00119 
00120 protected :
00121 
00122 private :
00123 
00124   G4InitXscPAI & operator=(const G4InitXscPAI &right);
00125   G4InitXscPAI(const G4InitXscPAI&);
00126 
00127   // Local class constants
00128 
00129   static const G4double fDelta ; // energy shift from interval border = 0.001
00130   static const G4int fPAIbin;
00131   static const G4double fSolidDensity; // ~the border between gases and solids
00132 
00133   G4int    fIntervalNumber;    //  The number of energy intervals
00134   G4double fNormalizationCof;   // Normalization cof for PhotoAbsorptionXsection
00135   G4int    fCurrentInterval;
00136   G4int    fIntervalTmax;
00137   G4double fBetaGammaSq ;        // (beta*gamma)^2
00138   G4double fTmax;
00139   G4double fDensity ;            // Current density
00140   G4double fElectronDensity ;    // Current electron (number) density
00141 
00142   // Arrays of Sandia coefficients
00143 
00144   G4OrderedTable* fMatSandiaMatrix;
00145   G4SandiaTable*  fSandia;
00146 
00147   // vectors of integral cross-sections
00148   
00149   G4PhysicsLogVector* fPAIxscVector;
00150   G4PhysicsLogVector* fPAIdEdxVector;
00151   G4PhysicsLogVector* fPAIphotonVector;
00152   G4PhysicsLogVector* fPAIelectronVector;
00153   G4PhysicsLogVector* fChCosSqVector;
00154   G4PhysicsLogVector* fChWidthVector;
00155   
00156 };    
00157 
00158 #endif   
00159 
00160 //
00161 //

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