The Tsallis Distribution at Large Transverse Momenta

Abstract

Fits to the transverse momentum distributions of charged particles produced in p - p collisions at LHC energies based on the Tsallis distribution have been shown to work over 14 orders of magnitude. Two versions of the Tsallis distribution are compared and discussed, the thermodynamically consistent version leads to a temperature of T = 74 +/- 13 MeV at the highest beam energy, a result which is in agreement with previous analyses done with lower transverse momentum data.

5 pages, 2 figures

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• A `soft + hard' model for heavy-ion collisions
• Log-periodic oscillations of transverse momentum distributions
• The transverse-momenta distributions in high-energy $pp$ collisions -- A statistical-mechanical approach

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