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Hi Heiko, for the moment we need to look at backgrounds only (peaking+BBbar combinatorial+qqbar combinatorial) and check their relative composition. After that, we will study the peakBG/signal as well. Concezio. Heiko Lacker wrote: >Hi Antonio, > >we would need this ratio for all the bins not just for the cut values. >Then, we should also look at the peak.BG/signal ratio as well. > >It would be also important to do this on the full MC. > >If it turns out not to be constant a possible strategy would be >1) Fix the ratio on data by the fit over all bins and consider > as a systematic error the deviations we see on MC. >2) Take the ratios we see on MC > >Cheers, >Heiko > > >On Mon, 19 Jun 2006, Antonio Petrella wrote: > > > >>Hi, >> >>I have added also mx scan in the web page >> >>http://www.slac.stanford.edu/~petrella/mesfits/mesfits.html >> >>for the all cuts sample, the ratio peaking/continuum depends on the mx cut! >> >>ciao >> Antonio >> >> >>