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Hi Daniele, we have a question concerning your comment about the separate treatment of charged and neutral B. We are using the VirVubFitter code, meaning that the correctionratios for MC are calculated (in VirUtil.icc, functions mixingCorr and chargeCorr) and applied if I am not mistaken. Did your comment mean that we should apply this correction (which is applied)? Shouldn't this take care of possible differences in data and MC? BTW Did you make the reweightings for the evaluation of the ssbar popping systematics in a correlated or uncorrelated way between resonant and nonresonant signal events? Cheers, Kerstin