Interferometric signatures of the temperature dependence of the specific shear viscosity in heavy-ion collisions
Abstract
Recent work has shown that a temperature dependence of the shear-viscosity-to-entropy ratio η/s influences the collective flow pattern in heavy-ion collisions in characteristic ways that can be measured by studying hadron transverse momentum spectra and their anisotropies. Here we point out that it also affects the pair momentum dependence of the Hanbury-Brown–Twiss (HBT) radii (the source size parameters extracted from two-particle intensity interferometry) and the variance of their event-by-event fluctuations. Finally, this observation establishes interferometric signatures as useful observables to complement the constraining power of single-particle spectra on the temperature dependence of η/s.
- Publication Date:
- Research Org.:
- The Ohio State Univ., Columbus, OH (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1604533
- Alternate Identifier(s):
- OSTI ID: 1179751
- Grant/Contract Number:
- SC0004286; SC0004104
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C, Nuclear Physics
- Additional Journal Information:
- Journal Volume: 91; Journal Issue: 5; Journal ID: ISSN 0556-2813
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Plumberg, Christopher, and Heinz, Ulrich. Interferometric signatures of the temperature dependence of the specific shear viscosity in heavy-ion collisions. United States: N. p., 2015.
Web. doi:10.1103/PhysRevC.91.054905.
Plumberg, Christopher, & Heinz, Ulrich. Interferometric signatures of the temperature dependence of the specific shear viscosity in heavy-ion collisions. United States. https://doi.org/10.1103/PhysRevC.91.054905
Plumberg, Christopher, and Heinz, Ulrich. Thu .
"Interferometric signatures of the temperature dependence of the specific shear viscosity in heavy-ion collisions". United States. https://doi.org/10.1103/PhysRevC.91.054905. https://www.osti.gov/servlets/purl/1604533.
@article{osti_1604533,
title = {Interferometric signatures of the temperature dependence of the specific shear viscosity in heavy-ion collisions},
author = {Plumberg, Christopher and Heinz, Ulrich},
abstractNote = {Recent work has shown that a temperature dependence of the shear-viscosity-to-entropy ratio η/s influences the collective flow pattern in heavy-ion collisions in characteristic ways that can be measured by studying hadron transverse momentum spectra and their anisotropies. Here we point out that it also affects the pair momentum dependence of the Hanbury-Brown–Twiss (HBT) radii (the source size parameters extracted from two-particle intensity interferometry) and the variance of their event-by-event fluctuations. Finally, this observation establishes interferometric signatures as useful observables to complement the constraining power of single-particle spectra on the temperature dependence of η/s.},
doi = {10.1103/PhysRevC.91.054905},
journal = {Physical Review C, Nuclear Physics},
number = 5,
volume = 91,
place = {United States},
year = {Thu May 14 00:00:00 EDT 2015},
month = {Thu May 14 00:00:00 EDT 2015}
}
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