STACK 37: 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    
__________________________________________________________________ 
 2188        2987.998          0.2288           119.87
 2189        2987.998          0.2288           132.42
 2190        2987.998          0.2288           118.42
__________________________________________________________________

 for this STACK: 1 nominal point(s)

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

 2989.97      2987.998         0.2288           370.71