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That's the chisquare of the mX fit. Concezio. Il giorno gio, 20-07-2006 alle 09:29 +0000, Wolfgang Menges ha scritto: > Concezio Bozzi wrote: > > Hi, > > I agree we cannot correct SP5 to look like SP6. However, by determining > > separate correction factors we definitely get a better data-MC agreement > > and get confidence that the fit is working OK. Here are the errors on > > the correction factors: > > > > Entire sample (Run1-4, SP5+6): > > > > Chi Square of the Fit = 4.48376 > > This is for the chi^2 fit of the mx plane and not for mes fits? > > Wolfgang > > > NDOF = 7 > > ratio other/vcb = 0.60 +- 0.07 > > Vcb comp = 0.188267 +- 0.00631457 > > Oth comp = 0.113042 +- 0.0125698 > > > > > > This is what Kerstin got on separate samples: > > > >>>> **Fit on Run 1+2, SP5: > >>>> chi2/ndof = 1.64116 (for 7 dof) > >>>> ratio other/vcb = 0.296045 / 0.287339 = 1.03 +- 0.17 > >>>> (with errors: > >>>> Vcb comp = 0.287339 +- 0.0183957 > >>>> Oth comp = 0.296045 +- 0.0442523) > >>>> > >>>> **Fit on Run 4, SP6: > >>>> chi2/ndof = 1.90748 (for 7 dof) > >>>> ratio other/vcb = 0.117799 / 0.141224 = 0.83 +- 0.13 > >>>> (with errors: > >>>> Vcb comp = 0.141224 +- 0.00785652 > >>>> Oth comp = 0.117799 +- 0.0174853)