[Frost] missing mass of pion

Fri Jul 16 15:07:45 EDT 2010

Dear Eugene,

I applied the newest version of eloss correction for proton, and got the
missing mass of pion. The mean value of missing mass (pi 0) is around 168
MeV, which is much better than using the old version of eloss correction.
But, it is still away from the rest mass of pi 0, ~135 MeV. I would like to
know the reason(s) which causes this difference.

Hideko
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