Here one can find comparison of the event mixing background and same event background
for the full large target with and without MDC HV problem.

Everage matrix into one sector has been used.

Comparison of the unlike-sign background with mixed event one

Comparison of the like-sign (e-e-) pair distribution from the same event analysis and mixed event.

---++ Comparison of the like-sign (e+e+) pair distribution from the same event analysis and mixed event.

-- GosiaSudol - 02 May 2007