STACK 47: 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    
__________________________________________________________________ 
 2330        2930.757          0.2926            96.07
 2331        2930.757          0.2926            94.11
 2334        2930.757          0.2732            92.42
 2335        2930.757          0.2732            87.48
 2336        2930.752          0.2499            82.42
 2337        2930.752          0.2499            78.75
 2338        2930.752          0.2499            78.55
 2339        2930.753          0.2319            81.55
 2340        2930.750          0.2243            70.68
 2341        2930.738          0.2049            93.28
__________________________________________________________________

 for this STACK: 1 nominal point(s)

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

 2930.6       2930.753         0.2556           855.31