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Hi Daniele, I'd like to ask one more question for clarification. In the BAD you say "We take the difference of 3.0% between the final analysis result using the hybrid and the non-resonant MC samples as systematic error..." What is meant by "hybrid" here? The hybrid as it comes out of the generator or the hybrid after the default reweighting (taking res events from hybrid and the reweighted nonres events)? I still wonder about the 3%. Thanks, Kerstin > > I will give the numbers which I found here: > > > > *** default > > BRBR 0.0219666 0.00234676 0.000873771 > > Eps_Cut = 0.775344 +- 0.00854322 > > Eps_tot = 0.248835 +- 0.00501357 > > > > *** nonres > > BRBR 0.0220791 0.00236418 0.00104411 > > Eps_Cut = 0.777663 +- 0.0137036 > > Eps_tot = 0.247003 +- 0.00801005 > > > > *** hybrid > > BRBR 0.0196832 0.00210833 0.000834273 > > Eps_Cut = 0.803137 +- 0.0103391 > > Eps_tot = 0.276976 +- 0.00683329 > > > > This does look better than yesterday, though not like 3% for the hybrid. > > > > Here is the plot for the signal mc: > > http://www.slac.stanford.edu/~kerstin/vubchop_onevubcomp.eps > > > > Kerstin > > >