EvtPFermi.hh

Go to the documentation of this file.

//-----------------------------------------------------------------------
//
// Copyright Information: See EvtGen/COPYRIGHT
//
// File and Version Information:
// EvtPFermi.hh
//
// Description:
//   F(k+) = N (1-x)^a exp((1-a)x) ,x=k+/(mB-mb)
//   the fermi motion distribution according to
//   hep-ph/9905351 v2
//
// Environment:
//      Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author List:
//      Sven Menke
//
//-----------------------------------------------------------------------
 
#ifndef EVTPFERMI_HH
#define EVTPFERMI_HH
 
class EvtPFermi {
 
public:
  // Constructors
 
  EvtPFermi( const double& a, const double& mB, const double& mb );
 
  // Destructor
 
  virtual ~EvtPFermi();
 
  // Operators
 
  // Selectors
 
  // Modifiers
 
  // Methods
 
  double getFPFermi( const double& kplus );
 
protected:
  // Helper functions
 
private:
  // Friends
 
  // Data members
 
  double _a;
  double _mb;
  double _mB;
};
 
#endif // EVTPFERMI_HH