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Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis

Publication ,  Journal Article
Bass, SA; Bernhard, J; Moreland, JS
Published in: Nuclear Physics A
November 1, 2017

The quality of data taken at RHIC and LHC as well as the success and sophistication of computational models for the description of ultra-relativistic heavy-ion collisions have advanced to a level that allows for the quantitative extraction of the transport properties of the Quark-Gluon-Plasma. However, the complexity of this task as well as the computational effort associated with it can only be overcome by developing novel methodologies: in this paper we outline such an analysis based on Bayesian Statistics and systematically compare an event-by-event heavy-ion collision model to data from the Large Hadron Collider. We simultaneously probe multiple model parameters including fundamental quark-gluon plasma properties such as the temperature-dependence of the specific shear viscosity η/s, calibrate the model to optimally reproduce experimental data, and extract quantitative constraints for all parameters simultaneously. The method is universal and easily extensible to other data and collision models.

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Published In

Nuclear Physics A

DOI

ISSN

0375-9474

Publication Date

November 1, 2017

Volume

967

Start / End Page

67 / 73

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

Citation

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Bass, S. A., Bernhard, J., & Moreland, J. S. (2017). Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis. Nuclear Physics A, 967, 67–73. https://doi.org/10.1016/j.nuclphysa.2017.05.052
Bass, S. A., J. Bernhard, and J. S. Moreland. “Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis.” Nuclear Physics A 967 (November 1, 2017): 67–73. https://doi.org/10.1016/j.nuclphysa.2017.05.052.
Bass SA, Bernhard J, Moreland JS. Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis. Nuclear Physics A. 2017 Nov 1;967:67–73.
Bass, S. A., et al. “Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis.” Nuclear Physics A, vol. 967, Nov. 2017, pp. 67–73. Scopus, doi:10.1016/j.nuclphysa.2017.05.052.
Bass SA, Bernhard J, Moreland JS. Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis. Nuclear Physics A. 2017 Nov 1;967:67–73.
Journal cover image

Published In

Nuclear Physics A

DOI

ISSN

0375-9474

Publication Date

November 1, 2017

Volume

967

Start / End Page

67 / 73

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences