Interferometric signatures of the temperature dependence of the specific shear viscosity in heavy-ion collisions
Journal Article
·
· Physical Review C, Nuclear Physics
- The Ohio State Univ., Columbus, OH (United States)
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.
- Research Organization:
- The Ohio State Univ., Columbus, OH (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Grant/Contract Number:
- SC0004286; SC0004104
- OSTI ID:
- 1604533
- Alternate ID(s):
- OSTI ID: 1179751
- Journal Information:
- Physical Review C, Nuclear Physics, Vol. 91, Issue 5; ISSN 0556-2813
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 8 works
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