[Rivet] r/R binning in CDF 2004 jet shapes analysis

Andy Buckley andy.buckley at durham.ac.uk
Mon May 18 17:53:20 BST 2009


Mario Martinez-Perez wrote:
> Dear Andy
> 
>   Please find attached the .txt file with all numbers. 

Hi Mario,

Thanks for the rapid reply. But these tables also just reference the
central (?) value of the x-position of the datapoints: r/R for the
rho/Psi pT-binned plots, pT for the 1-Psi(r0 = 0.3) plot. There must
have actually been some binning around these values, i.e. the first rho
data point "0.71" corresponds to a bin of 0 < r/R < 1.4 or similar. Are
these bin edge values recorded?

While it's conceivable that the integrated jet shape plots don't use the
same profile binning as the differential ones, it would be strange (and
inaccurate) not to. Similarly, I would guess that the 1-Psi(0.3) vs pT
profile plot uses the binnings corresponding to the individual pT-bin
rho/Psi plots: is that correct? If these guesses are correct, then all
we are missing is the rho-plot r/R bin edges.

Thanks!
Andy

-- 
Dr Andy Buckley
Institute for Particle Physics Phenomenology
Durham University
0191 3343798 | 0191 3732613 | www.insectnation.org


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