Nuclear modification of charged hadron production at LHC

Abstract

We analyze the recent results for suppressed production of charged hadrons for Pb+Pb collisions at the center of mass energy of 2.76 TeV/nucleon-pair. We closely follow the treatment used recently by us where partons lose energy due to radiation of gluons following multiple scatterings while traversing the quark gluon plasma, before fragmenting into hadrons at the center of mass energy of 200 GeV/nucleon-pair. We obtain an empirical value for the momentum transport coefficient $(\widehat{q})$ and provide predictions for azimuthal anisotropy of hadron momenta for non-central collisions.

8 pages, 9 figures, Text expanded and references added. Several typographical corrections done