Bottomonium above deconfinement in lattice nonrelativistic QCD.
نویسندگان
چکیده
We study the temperature dependence of bottomonium for temperatures in the range 0.4T(c) < T < 2.1T(c), using nonrelativistic dynamics for the bottom quark and full relativistic lattice QCD simulations for Nf = 2 light flavors on a highly anisotropic lattice. We find that the Υ is insensitive to the temperature in this range, while the χb propagators show a crossover from the exponential decay characterizing the hadronic phase to a power-law behavior consistent with nearly free dynamics at T ≃ 2T(c).
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عنوان ژورنال:
- Physical review letters
دوره 106 6 شماره
صفحات -
تاریخ انتشار 2011