include/Geant4/G4RayleighAngularGenerator.hh

0001 //
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0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class file
0030 //
0031 //
0032 // File name:  G4RayleighAngularGenerator
0033 //
0034 // Author:     Ivantchenko  (antoni@cern.ch, vnivanch@cern.ch)
0035 //             modified fit formulas from Dermott E. Cullen,
0036 //             Nucl. Instrum. Meth. Phys. Res. B v.101, (4),499-510.
0037 //
0038 //
0039 // Creation date: 31 May 2012
0040 //
0041 // Modifications:
0042 //
0043 //
0044 // Class Description:
0045 //
0046 // Class for Rayleigh Scattering angle sampling
0047 //
0048 // -------------------------------------------------------------------
0049 //
0050
0051 #ifndef G4RayleighAngularGenerator_h
0052 #define G4RayleighAngularGenerator_h 1
0053
0054 #include "G4VEmAngularDistribution.hh"
0055 #include "globals.hh"
0056 #include "G4DynamicParticle.hh"
0057 #include "G4ThreeVector.hh"
0058
0059 class G4RayleighAngularGenerator : public G4VEmAngularDistribution
0060 {
0061 public:
0062   explicit G4RayleighAngularGenerator();
0063   virtual ~G4RayleighAngularGenerator();
0064
0065   G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
0066                  G4double out_energy,
0067                  G4int Z,
0068                  const G4Material* mat = nullptr) override;
0069   G4RayleighAngularGenerator & operator=(const  G4RayleighAngularGenerator &right) = delete;
0070   G4RayleighAngularGenerator(const  G4RayleighAngularGenerator&) = delete;
0071
0072 private:
0073   // static data
0074   static const G4double PP0[101];
0075   static const G4double PP1[101];
0076   static const G4double PP2[101];
0077   static const G4double PP3[101];
0078   static const G4double PP4[101];
0079   static const G4double PP5[101];
0080   static const G4double PP6[101];
0081   static const G4double PP7[101];
0082   static const G4double PP8[101];
0083
0084   G4double fFactor;
0085
0086 };
0087
0088
0089 #endif
0090