STACK 40: 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    
__________________________________________________________________ 
 2259        2966.871          0.2513           119.37
 2260        2966.871          0.2513           118.39
 2261        2966.861          0.2414           114.75
 2262        2966.864          0.2224           117.95
 2263        2966.864          0.2224           117.40
__________________________________________________________________

 for this STACK: 1 nominal point(s)

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

 2966.39      2966.866         0.2378           587.86