Bottomonium above deconfinement in lattice nonrelativistic QCD.
Journal Article
·
· Phys. Rev. Lett.
We study the temperature dependence of bottomonium for temperatures in the range 0.4T{sub c} < T < 2.1T{sub c}, using nonrelativistic dynamics for the bottom quark and full relativistic lattice QCD simulations for N{sub f} = 2 light flavors on a highly anisotropic lattice. We find that the Y is insensitive to the temperature in this range, while the x{sub b} propagators show a crossover from the exponential decay characterizing the hadronic phase to a power-law behavior consistent with nearly free dynamics at T {approx} 2T{sub c}.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC); National Research Foundation of Korea (NRF); Science Foundation of Ireland; Research Executive Agency
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 1005157
- Report Number(s):
- ANL-HEP-PR-10-55; TRN: US1101090
- Journal Information:
- Phys. Rev. Lett., Vol. 106, Issue Feb. 11, 2011
- Country of Publication:
- United States
- Language:
- ENGLISH
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