Hello folks, concerning the comments on the PRL draft from MarieHelene and Franz (appended at the end of the mail), I would suggest to accept the first two ones as they are. As far as the comment on the theoretical error, I would truncate the sentence as he suggests, but put no reference. It is after all a general statement on the analysis. I would move the footnote on the duality at the end of the second paragraph where the theoretical uncertainties are mentioned. I also tried to fix the D(*), D(**) problem by expliciting all the cases (and some gymnastic to keep the same length): " The simulation of the $\Bxclnu$ background uses a parametrization of HQET formfactors for $\Bb\to D^{*}\ell\nub$~\cite{ref:duboscq}, and models for $\Bb\to D \pi \ell\nub$ and $ D^* \pi \ell\nub$~\cite{ref:goityroberts}, $\Bb\to D \ell\nub$ and $ D^{**}\ell\nub$~\cite{ref:isgwtwo}. " You can find the new version in http://www.slac.stanford.edu/~rfaccini/phys/vub/prl/prl_paper.ps comments are welcome Ric ------------------------------- mail from Franz I have talked to Marie-Helene. She was one small comment. on page 4 the sentence close to the bottom of the last column which reads " The motion of the b quark inside the B meson is implemented ....function parametrization in [9]" would sounds more familiar to me if it was : " The motion of the b quark inside the B meson is implemented ....function parametrization from[9]" I had a careful read last night and have 2 small comments. - Reference 2 now only comes after reference 12 in the paper. So please reorder. - I don't like the last half sentence of the first paragraph " .. and leads to complications in the theoretical description [3]" This is too negative. You refer to parton-hadron duality in the reference. This makes it look as if duality is likely to invalidate the approach, and I claim this is overstating the issue. I propose to stop after "... large extrapolation", and refer to references 4 (Mx) 8 (defazio) and 3(duality). I have not heard from Stephane. If I don't hear from him by tonite, and as soon as you have given an answer to how you treat the the short comments above, I will send a message to the pub board. Cheers Franz