include/Geant4/G4TauLeptonicDecayChannel.hh

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0025 //
0026 // G4TauLeptonicDecayChannel
0027 //
0028 // Class decription:
0029 //
0030 // Class describing tau leptonic decay kinematics.
0031 // This version assumes the pure V-A coupling and gives incorrect
0032 // energy spectrum for neutrinos without tau polarization.
0033
0034 // Author: H.Kurashige, 30 May 1997
0035 // --------------------------------------------------------------------
0036 #ifndef G4TauLeptonicDecayChannel_hh
0037 #define G4TauLeptonicDecayChannel_hh 1
0038
0039 #include "G4VDecayChannel.hh"
0040 #include "G4ios.hh"
0041 #include "globals.hh"
0042
0043 class G4TauLeptonicDecayChannel : public G4VDecayChannel
0044 {
0045   public:
0046     G4TauLeptonicDecayChannel(const G4String& theParentName, G4double theBR,
0047                               const G4String& theLeptonName);
0048     ~G4TauLeptonicDecayChannel() override = default;
0049
0050     G4DecayProducts* DecayIt(G4double) override;
0051
0052   protected:
0053     G4TauLeptonicDecayChannel() = default;
0054
0055     G4TauLeptonicDecayChannel(const G4TauLeptonicDecayChannel&) = default;
0056     G4TauLeptonicDecayChannel& operator=(const G4TauLeptonicDecayChannel&);
0057
0058   private:
0059     static G4double spectrum(G4double momentum, G4double energy, G4double mtau, G4double ml);
0060 };
0061
0062 #endif