The events are selected from kinematical fit with CL>10%.

The background level after all cuts is 1%.

 

Number of data    77587

Number of  Monte Carlo  26456  

 

                                                   The events are given as 4-vectors :

                                                   Energy, Px,Py,Pz (pi+)

                                                   Energy, Px,Py,Pz (pi-)

                                                   Energy, Px,Py,Pz (pi0)

                                                   Energy, Px,Py,Pz (eta)