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Gavin S, Abdel-Aziz M. Measuring shear viscosity using transverse momentum correlations in relativistic nuclear collisions. Phys Rev Lett. 2006;97(16):162302doi: 10.1103/PhysRevLett.97.162302.
Gavin, S., & Abdel-Aziz, M. (2006). Measuring shear viscosity using transverse momentum correlations in relativistic nuclear collisions. Physical review letters, 97(16), 162302. https://doi.org/10.1103/PhysRevLett.97.162302
Gavin, Sean, and Abdel-Aziz, Mohamed. "Measuring shear viscosity using transverse momentum correlations in relativistic nuclear collisions." Physical review letters vol. 97,16 (2006): 162302. doi: https://doi.org/10.1103/PhysRevLett.97.162302
Gavin S, Abdel-Aziz M. Measuring shear viscosity using transverse momentum correlations in relativistic nuclear collisions. Phys Rev Lett. 2006 Oct 20;97(16):162302. doi: 10.1103/PhysRevLett.97.162302. Epub 2006 Oct 19. PMID: 17155389.
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Phys Rev Lett. 2006 Oct 20;97(16):162302. doi: 10.1103/PhysRevLett.97.162302. Epub 2006 Oct 19.

Measuring shear viscosity using transverse momentum correlations in relativistic nuclear collisions.

Physical review letters

Sean Gavin, Mohamed Abdel-Aziz

Affiliations

  1. Department of Physics and Astronomy, Wayne State University, Detroit, MI 48202, USA.

PMID: 17155389 DOI: 10.1103/PhysRevLett.97.162302

Abstract

Elliptic flow measurements at the Brookhaven National Laboratory Relativistic Heavy Ion Collider suggest that quark-gluon fluid flows with very little viscosity compared to weak-coupling expectations, challenging theorists to explain why this fluid is so nearly "perfect." It is therefore vital to find quantitative experimental information on the viscosity of the fluid. We propose that measurements of transverse momentum fluctuations can be used to determine the shear viscosity. We use current data to estimate the viscosity-to-entropy ratio in the range from 0.08 to 0.3 and discuss how future measurements can reduce this uncertainty.

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