Bottomonium at Non-zero Temperature from Lattice Non-relativistic QCD

Details Bottomonium at Non-zero Temperature from Lattice Non-relativistic QCD Bottomonium at Non-zero Temperature from Lattice Non-relativistic QCD

2011-09-07

arxiv.org/abs/1109.1475v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 2 figures, talk presented at the 19th Particles & Nuclei International Conference (PANIC 2011), Massachusetts Institu

Scientific paper

The temperature dependence of bottomonium states at temperatures above and below $T_c$ is presented, using non-relativistic dynamics for the bottom quark and full relativistic lattice QCD simulations for two light flavors on a highly anisotropic lattice. We find that the S-waves ($\Upsilon$ and $\eta_b$) show little temperature dependence in this range while the P wave propagators show a crossover from the exponential decay characterizing the hadronic phase to a power-law behavior consistent with nearly-free dynamics at approximately twice the critical temperature.

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