00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 // 00029 // 00030 // ------------------------------------------------------------ 00031 // GEANT 4 class header file 00032 // 00033 // History: first implementation, based on object model of 00034 // 30 May 1997 H.Kurashige 00035 // ------------------------------------------------------------ 00036 #ifndef G4TauLeptonicDecayChannel_h 00037 #define G4TauLeptonicDecayChannel_h 1 00038 00039 #include "G4ios.hh" 00040 #include "globals.hh" 00041 #include "G4VDecayChannel.hh" 00042 00043 class G4TauLeptonicDecayChannel :public G4VDecayChannel 00044 { 00045 // Class Decription 00046 // This class describes tau leptonic decay kinemtics. 00047 // This version assumes the pure V-A coupling 00048 // gives incorrect energy spectrum for neutrinos 00049 // without tau polarization 00050 00051 public: // With Description 00052 //Constructors 00053 G4TauLeptonicDecayChannel(const G4String& theParentName, 00054 G4double theBR, 00055 const G4String& theLeptonName); 00056 // Destructor 00057 virtual ~G4TauLeptonicDecayChannel(); 00058 00059 protected: 00060 // Copy constructor and assignment operator 00061 G4TauLeptonicDecayChannel(const G4TauLeptonicDecayChannel &); 00062 G4TauLeptonicDecayChannel & operator=(const G4TauLeptonicDecayChannel &); 00063 00064 protected: 00065 G4TauLeptonicDecayChannel(); 00066 00067 00068 public: // With Description 00069 virtual G4DecayProducts *DecayIt(G4double); 00070 00071 private: 00072 static G4double spectrum(G4double momentum, 00073 G4double energy, 00074 G4double mtau, 00075 G4double ml); 00076 }; 00077 00078 00079 #endif 00080