Quarkonium correlators and spectral functions at zero and finite temperature

Details Quarkonium correlators and spectral functions at zero and finite temperature Quarkonium correlators and spectral functions at zero and finite temperature

2006-11-13

arxiv.org/abs/hep-lat/0611017v1

Phys.Rev.D75:014506,2007

Physics

High Energy Physics

High Energy Physics - Lattice

22 pages, 31 figures, uses revtex style

Scientific paper

10.1103/PhysRevD.75.014506

We study quarkonium correlators and spectral functions at zero and finite temperature using the anisotropic Fermilab lattice formulation with anisotropy xi=2 and 4. To control cutoff effects we use several different lattice spacings. The spectral functions were extracted from lattice correlators with Maximum Entropy Method based on a new algorithm. We find evidence for the survival of 1S quarkonium states in the deconfined medium till relatively high temperatures as well as for dissolution of 1P quarkonium states right above the deconfinement temperature.

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