STACK 41: etac
reference orbit: psi' 8-97
dP/P: off
NOTE: runs which have not either energy or luminosity information 
      are not considered in the calculation.
BPMs: saturation kept in account 
                                                      
 [run]     [mean energy]     [sigma beam]     [integ.lumin.]
                MeV              Mev              nb-1    
__________________________________________________________________ 
 2273        2973.140          0.3343           118.29
 2274        2973.149          0.3276           121.16
 2275        2973.144          0.3170           124.06
 2276        2973.129          0.2817           126.05
 2277        2973.129          0.2817           125.39
 2278        2973.129          0.2817           120.82
 2279        2973.129          0.2817            52.90
__________________________________________________________________

 for this STACK: 1 nominal point(s)

[Nominal     [Weighted        [Weighted         [total
 energy]    mean energy]     sigma beam]     integ.lumin.]
   MeV          MeV              Mev              nb-1    

 2972.9       2973.136         0.3022           788.67