//  Geant4 simulation for MuSR
//  AUTHOR: Toni SHIROKA, Paul Scherrer Institut, PSI
//  DATE  : 2008-05
//

//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
//  Muonium yields as a function of initial mu+ energies.
//          The method GetYields is used by MuFormation.
//  Id    : yields.cc, v 1.1
//  Author: Taofiq PARAISO, T. Shiroka
//  Date  : 2007-12
//  Notes : First implemented in Fortran by A. Hofer
//          C++ conversion by T.K. Paraiso 04-2005
//          Slight modifications by T. Shiroka
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

#ifndef Yields_h
#define Yield_h 1

#include "globals.hh"

/*  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 The Muonium Yield function as well as the parameters are taken from:
 M. Gonin, R. Kallenbach, P. Bochsler: "Charge exchange of hydrogen atoms
 in carbon foils at 0.4 - 120 keV", Rev.Sci.Instrum. 65 (3), March 1994
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

class Yields
{

public:
  Yields(); // Class constructor
 ~Yields(); // Class destructor

  void GetYields(double E, double mass, double yvector[]);

private:   // Some internal variables
  double Q_zero, Q_minus, D;
  double Yield_minus, Yield_zero, Yield_plus;

  double aux1, aux2, aux3; // Auxiliary variables
};

#endif