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geant4/source/particles/management/include/G4KL3DecayChannel.hh
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//
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//
// G4KL3DecayChannel
// Author: H.Kurashige, 30 May 1997
// --------------------------------------------------------------------
#ifndef G4KL3DecayChannel_hh
#define G4KL3DecayChannel_hh 1
#include "G4ios.hh"
#include "globals.hh"
#include "G4VDecayChannel.hh"
class G4KL3DecayChannel : public G4VDecayChannel
{
public:
G4KL3DecayChannel(const G4String& theParentName,
G4double theBR,
const G4String& thePionName,
const G4String& theLeptonName,
const G4String& theNutrinoName);
virtual ~G4KL3DecayChannel();
// Constructor & destructor
virtual G4DecayProducts* DecayIt(G4double);
inline void SetDalitzParameter(G4double aLambda, G4double aXi );
inline G4double GetDalitzParameterLambda() const;
inline G4double GetDalitzParameterXi() const;
protected:
G4KL3DecayChannel(const G4KL3DecayChannel&);
G4KL3DecayChannel& operator=(const G4KL3DecayChannel&);
// Copy constructor and assignment operator
enum { idPi=0, idLepton=1, idNutrino=2 };
// Assignment of daughter particles for arrays of daughters[] etc.
void PhaseSpace(G4double Mparent,
const G4double* Mdaughter,
G4double* Edaughter,
G4double* Pdaughter);
// Calculate momentum of daughters
G4double DalitzDensity(G4double parentmass, G4double Epi, G4double El,
G4double Enu, G4double massPi, G4double massL,
G4double massNu );
// Dalitz Plot Density
// KL3 decay Dalitz Plot Density, see Chounet et al Phys. Rep. 4, 201
// Arguments
// Epi: kinetic enregy of pion
// El: kinetic enregy of lepton (e or mu)
// Enu: kinetic energy of nutrino
// Constants
// pLambda : linear energy dependence of f+
// pXi0 : = f+(0)/f-
// pNorm : normalization factor
private:
G4KL3DecayChannel();
private:
G4double pLambda = 0.0;
G4double pXi0 = 0.0;
// Used in DalitzDensity() coefficients
};
// ------------------------
// Inline methods
// ------------------------
inline
void G4KL3DecayChannel::SetDalitzParameter(G4double aLambda, G4double aXi)
{
pLambda = aLambda;
pXi0 = aXi;
}
inline
G4double G4KL3DecayChannel::GetDalitzParameterLambda() const
{
return pLambda;
}
inline
G4double G4KL3DecayChannel::GetDalitzParameterXi() const
{
return pXi0;
}
#endif