Non-extensive statistics and understanding particle production and kinetic freeze-out process from pT-spectra at 2.76 TeV

Bhaskar De

doi:10.1140/epja/i2014-14138-2

EPJ

Non-extensive statistics and understanding particle production and kinetic freeze-out process from p_T-spectra at 2.76 TeV

Bhaskar De^*

Department of Physics, A. P. C. Roy Government College, Himachal Bihar, Matigara, Siliguri, 734010, West Bengal, India

Received: 7 July 2014
Revised: 21 July 2014
Accepted: 24 August 2014
Published online: 11 September 2014

Abstract

An approach, based on Tsallis non-extensive statistics, has been employed, here, to analyse, systematically, the p _T-spectra of various identified secondary hadrons like pions, kaons, protons and antiprotons, produced in different central Pb + Pb interactions at LHC energy 2.76TeV in terms of multiplicity and temperature fluctuations. The results, thus obtained, have been utilized to understand the various stages of different types of hadron production during evolution of the fireball produced in such collisions.