Power laws in elementary and heavy-ion collisions - A story of fluctuations and nonextensivity?

Abstract

We review from the point of view of nonextensive statistics the ubiquitous presence in elementary and heavy-ion collisions of power-law distributions. Special emphasis is placed on the conjecture that this is just a reflection of some intrinsic fluctuations existing in the hadronic systems considered. These systems summarily described by a single parameter q playing the role of a nonextensivity measure in the nonextensive statistical models based on Tsallis entropy.

14 pages, a minireview for EPJA topical issue

References in corpus (8)

• Results from the Relativistic Heavy Ion Collider
• Nonextensive hydrodynamics for relativistic heavy-ion collisions
• Evidence for color fluctuations in the nucleon in high-energy scattering
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• Dynamical Correlations as Origin of Nonextensive Entropy
• Fluctuations, correlations and the nonextensivity
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• Tsallis distribution from minimally selected order statistics

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