The q-Statistics and QCD Thermodynamics at LHC

2016/03/16 by Trambak Bhattacharyya, Arvind Khuntia, Bhattacharyya, Trambak +11
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #Nuclear Experiment (nucl-ex) #hep-ex #hep-ph #nucl-ex

paper · pdf · doi:10.48550/arxiv.1603.04970

4 pages, 4 figures. To be published in the Proceedings of the 11th Workshop on Particle Correlations and Femtoscopy (WPCF 2015), 03-07 Nov 2015, Warsaw, Poland

arxiv created 2016/03/16 · arxiv updated 2016/03/17

Abstract

We perform a Taylor series expansion of Tsallis distribution by assuming the Tsallis parameter q close to 1. The q value shows the deviation of a system from a thermalised Boltzmann distribution. By taking up to first order in (q-1), we derive an analytical result for Tsallis distribution including radial flow. Further, in the present work, we also study the speed of sound (c_s) as a function of temperature using the non-extensive Tsallis statistics for different q values and for different mass cut-offs.

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