921 research outputs found
Preliminary Results on the Empirical Applicability of the Tsallis Distribution in Elastic Hadron Scattering
We show that the proton-proton elastic differential cross section data at dip
position and beyond can be quite well described by a parametrization based on
the Tsallis distribution, with only five free fit parameters. Extrapolation of
the results obtained at 7 TeV to large momentum transfer, suggests that hadrons
may not behave as a black-disk at the asymptotic energy region.Comment: 3 pages, 1 figure, version matching proceedings style, XII Hadron
Physics, 2012, AIP Proc. Con
Asymptotic Scenarios for the Proton's Central Opacity: An Empirical Study
We present a model-independent analysis of the experimental data on the ratio
between the elastic and total cross-sections from and
scattering in the c.m. energy interval 5 GeV - 8 TeV. Using a novel empirical
parametrization for that ratio as a function of the energy and based on
theoretical and empirical arguments, we investigate three distinct asymptotic
scenarios: either the black-disk (BD) limit or scenarios above and below that
limit. Our analysis favors a scenario below the BD, with asymptotic ratio .Comment: 5 pages, 1 figure added, extended text, matchs proceedings
(Diffraction 2014
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