Constraining the Equation of State of Superhadronic Matter from Heavy-Ion Collisions

Scott Pratt, Evan Sangaline, Paul Sorensen, and Hui Wang
Phys. Rev. Lett. 114, 202301 – Published 19 May 2015

Abstract

The equation of state of QCD matter for temperatures near and above the quark-hadron transition (165MeV) is inferred within a Bayesian framework through the comparison of data from the Relativistic Heavy Ion Collider and from the Large Hadron Collider to theoretical models. State-of-the-art statistical techniques are applied to simultaneously analyze multiple classes of observables while varying 14 independent model parameters. The resulting posterior distribution over possible equations of state is consistent with results from lattice gauge theory.

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  • Received 19 January 2015

DOI:https://doi.org/10.1103/PhysRevLett.114.202301

© 2015 American Physical Society

Authors & Affiliations

Scott Pratt1, Evan Sangaline1, Paul Sorensen2, and Hui Wang2

  • 1Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory Michigan State University, East Lansing, Michigan 48824, USA
  • 2Brookhaven National Laboratory, Upton, New York 11973, USA

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Vol. 114, Iss. 20 — 22 May 2015

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