rrni = first run number of period
rrne = last run number of period (=first for 2002)
sqrr = sqrt(s) of the period (of the run for 2002)
besi = spread c.m. energy
ebesi = parabolic error on besi
ebesl = asymmetric error (left) on besi
ebesr = asymmetric error (right) on besi
offi = fit parameter: global offset
eoffi = parabolic error on offi
eoffl = ...
eoffr = ...
chis = chi square at the fit minimum
ndgre = number of degrees of freedom of fit
isss = flag of fit status del fit, =1 when fit converged
nullo = zero
Beam Energy Spread in 2002 Period of Data Taking 
