Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/muons/include/G4RiGeAngularGenerator.hh

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 26 //
 27 // -------------------------------------------------------------------
 28 //
 29 // GEANT4 Class header file
 30 //
 31 //
 32 // File name:  G4RiGeAngularGenerator
 33 //
 34 // Authors:       Girardo Depaola & Ricardo Pacheco
 35 // 
 36 // Creation date: 29 October 2024
 37 //
 38 // -------------------------------------------------------------------
 39 //
 40 
 41 #ifndef G4RiGeAngularGenerator_h
 42 #define G4RiGeAngularGenerator_h 1
 43 
 44 #include "G4ios.hh"
 45 #include "globals.hh"
 46 #include "G4VEmAngularDistribution.hh"
 47 #include "G4LorentzVector.hh"
 48 
 49 class G4RiGeAngularGenerator : public G4VEmAngularDistribution
 50 {
 51 
 52 public:
 53 
 54   G4RiGeAngularGenerator();
 55 
 56   ~G4RiGeAngularGenerator() override = default;
 57 
 58   G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
 59                                  G4double gEnergy, G4int Z,
 60                                  const G4Material* mat = nullptr) override;
 61 
 62   G4LorentzVector Sample5DPairDirections(const G4DynamicParticle* dp,
 63                                  G4ThreeVector& dirElectron,
 64                                  G4ThreeVector& dirPositron,
 65                                  const G4double gEnergy, const G4double q2,
 66                                  const G4double gMomentum,
 67                                  G4double muFinalMomentum,
 68                                  G4double muFinalEnergy,
 69                                  const G4double* randNumbs,
 70                                  const G4double* W);
 71 
 72   void PhiRotation(G4ThreeVector& dir, G4double phi);
 73 
 74   G4LorentzVector eDP2(G4double x1, G4double x2, G4double x3, G4double x4, G4double x5);
 75 
 76   G4LorentzVector pDP2(G4double x3, const G4LorentzVector& x6);
 77 
 78   void PrintGeneratorInformation() const override;
 79 
 80   // hide assignment operator 
 81   G4RiGeAngularGenerator& operator=(const G4RiGeAngularGenerator& right) = delete;
 82   G4RiGeAngularGenerator(const G4RiGeAngularGenerator&) = delete;
 83 
 84 private:
 85 
 86   G4double SampleCosTheta(G4double primKinEnergy, G4double gEnergy, G4double mass);
 87 
 88 };
 89 
 90 #endif
 91 
 92