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. 
D. A. Fagundes, M. J. Menon, P. V. R. G. Silva
hep-ph hep-ex