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I have performed the first studies on my plate: the B0 comparison was redone scaling the vub,vcb and other components of the MC according to the fit results (since we are blind for vub I could just guess a weight of 2, while vcb was left with weight 1 and other was rescaled down by a factor five). The results are in http://www.slac.stanford.edu/~rfaccini/phys/vub/comp_110602B0rew/final-comp.html to be compared to http://www.slac.stanford.edu/~rfaccini/phys/vub/comp_110602B0/final-comp.html At a first glance there is no striking change. I also performed the comparison of the B0 mxhadfit distribution for the events where the neutral energy is lee than 15% the total (with no reweighting): http://www.slac.stanford.edu/~rfaccini/phys/vub/comp_110602B0rew/comparison7mxhadfitallcuts-lowneu.ps statistics is poor, but the situation seems to be better ciao ric