Momentum-dependence of charmonium spectral functions from lattice QCD

Details Momentum-dependence of charmonium spectral functions from lattice QCD Momentum-dependence of charmonium spectral functions from lattice QCD

2010-05-07

arxiv.org/abs/1005.1209v1

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, 12 figures

Scientific paper

We compute correlators and spectral functions for J/psi and eta_c mesons at nonzero momentum on anisotropic lattices with Nf=2. We find no evidence of significant momentum dependence at the current level of precision. In the pseudoscalar channel, the ground state appears to survive up to T~450MeV or 2.1T_c. In the vector channel, medium modifications may occur at lower temperatures.

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