Friday, June 14, 2013

1306.3140 (C. R. Allton et al.)

Charmonium Potentials at Finite Temperature    [PDF]

C. R. Allton, P. W. M. Evans, J. -I. Skullerud
The charmonium states at non-zero temperature are studied on anisotropic lattices with 2 dynamical quark flavours. Non-local operators are used to determine the Nambu-Bethe-Salpeter (NBS) wavefunctions via both conventional fitting methods and the Maximum Entropy Method. The interquark potential is determined from the solution of the Schrodinger equation, given the NBS wavefunction as input following the HAL QCD method. We observe a temperature dependent potential which becomes steeper as the temperature decreases.
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