STACK 39: 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    
__________________________________________________________________ 
 2225        2950.844          0.2976           116.77
 2226        2950.765          0.2842           111.32
 2227        2950.754          0.2643           110.42
 2228        2950.754          0.2643           108.10
 2229        2950.756          0.2461           110.27
 2230        2950.756          0.2461            48.00
__________________________________________________________________

 for this STACK: 1 nominal point(s)

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

 2951.0       2950.774         0.2696           604.88