Sandeep Chatterjee, Bedangadas Mohanty, Ranbir Singh
Published 2014-11-06Version 1
We extract the freezeout hypersurface in Pb-Pb collisions at $\sqrt{s_{\rm NN}}=2700$ GeV at the CERN Large Hadron Collider by analysing the data on transverse momentum spectra within a unified model for chemical and kinetic freezeout. The study has been done within two different schemes of freezeout, single freezeout where all the hadrons freezeout together versus double freezeout where those hadrons with non zero strangeness content have different freezeout parameters compared to the non-strange ones. We demonstrate that the data is better described within the latter scenario with a strange freezeout hypersurface which is smaller in volume and hotter compared to the non-strange freezeout hypersurface for all centralities with a reduction in $\chi^2/N_{df}$ around $40\%$.
Elliptic flow at energies available at the CERN Large Hadron Collider: Comparing heavy-ion data to viscous hydrodynamic predictions
Centrality Dependence of Direct Photons in Au+Au Collisions at sqrt(s_NN) = 200 GeV
Elliptic flow ($v_2$) in pp collisions at energies available at the CERN Large Hadron Collider: A hydrodynamical approach
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