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Hi Antonio, On Wed, 13 Sep 2006, Antonio Petrella wrote: > Hi Heiko, > > Heiko Lacker ha scritto: > > Hi, > > > > to finalize the S/P fixing study we need: > > > > 1. Considering better fitting functions to describe the S/P functional > > dependence, e.g. a Gaussian fit and determine the systematic > > uncertainty > > Antonio, what is your estimate: Can we do this until Friday? > > > Yes, I will let it work by Friday. OK. > > > 2. Do this also on higher purity cuts. Time estimate for that? > > once it works it's only a matter of job submission with different cuts. > I need to know: do we want to produce these numbers for the all > reweighting schema (that is: use Wolfgang's latest tag and also the > numbers on D** computed by Chukwudi)? In this case, before fitting the > S/P ratio with a gaussian I have to re-dump weighted dataset and > recompute the S/P ratio itself. I think we should not double the work. We have seen that the D**-ratio changes by the run-wise MC-reweighting so I propose to aim for a final all-reweighting result. Ciao, Heiko > ciao > Antonio > > > 3. Apply all reweightings > > * Chukwudi has produced with the correct run-wise MC > > reweighting new numbers for D**lnu/(Dlnu+D*lnu) > > If I interprete the numbers correctly, it is now > > O(0.65) instead of 0.55. > > > > * We need to incorporate in the full reweighting also > > the run-wise MC reweighting using Wolfgang's VVF tag. > > > > Chukwudi & Antonio: What is your time estimate for that? > > > > Beginning of next week would great since we need to > > document it until the end of next week! > > > > 4. Wolfgang: I know that you will not read this before next > > week but are you able to continue on the fallback > > solution next week (18.9.-22.9.)? > > > > * The study on the MC would be very helpful. > > * In addition, the fits on data should be repeated with > > all reweightings applied. > > * If we could also make a comparison of the signal yields > > bin-by-bin between the fallback solution and the (S/P) > > fixing strategy for equal purity cuts that would give > > us also more confidence in case of agreement. > > > > > > Cheers, > > Heiko > > >