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Title: Investigating the temperature dependence of the specific shear viscosity of QCD matter with dilepton radiation

Journal Article · · Physical Review. C
 [1];  [2];  [3];  [4];  [4]
  1. The Ohio State University, Columbus, OH (United States)
  2. Universidade Federal Fluminense, Rio de Janeiro (Brazil)
  3. Universidade de São Paulo (Brazil)
  4. McGill University, Montreal, QC (Canada)
+ Show Author Affiliations

This work reports on investigations of the effects on the evolution of viscous hydrodynamics and on the flow coefficients of thermal dileptons, originating from a temperature-dependent specific shear viscosity η/s(T) at temperatures beyond 180 MeV formed at the Relativistic Heavy-Ion Collider (RHIC). Here we show that the elliptic flow of thermal dileptons can resolve the magnitude of η/s at the high temperatures, where partonic degrees of freedom become relevant, whereas discriminating between different specific functional forms will likely not be possible at RHIC using this observable.

Research Organization:
The Ohio State University, Columbus, OH (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); Natural Sciences and Engineering Research Council of Canada (NSERC); National Science Foundation (NSF); Quebec Research Fund Nature and Technologies (FRQNT); Canadian Institute for Nuclear Physics; Seymour Schulich Scholarship; Canada Council for the Arts; Canada Foundation for Innovation (CFI)
Grant/Contract Number:
SC0004286; AC02-05CH11231; AC02-98CH10886; 1550233
OSTI ID:
1541055
Alternate ID(s):
OSTI ID: 1459046
Journal Information:
Physical Review. C, Vol. 98, Issue 1; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
collective flow
photon
lepton and quark production
quark-gluon plasma
relativistic heavy-ion collisions
relativistic hydrodynamics