Non-extensive Statistics and Understanding Particle Production and   Kinetic Freeze-out Process from $p_T$-spectra at 2.76 TeV
  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 2.76 TeV 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. 
Bhaskar De
nucl-th hep-ph