STACK 49: 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    
__________________________________________________________________ 
 2359        2983.112          0.3203           105.86
 2361        2983.108          0.3105           126.60
 2363        2983.108          0.3005           132.72
 2365        2983.094          0.2917           129.50
 2367        2983.086          0.2877           128.29
 2369        2982.994          0.2728           128.72
 2371        2982.973          0.2611           126.73
 2373        2982.949          0.2430           125.76
__________________________________________________________________

 for this STACK: 1 nominal point(s)

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

 2982.7       2983.052         0.2854          1004.18