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Charmonium spectral functions in Nf=2 QCD / Jon-Ivar Skullerud, R. Morrin, A. P.O Cais, M. B. Oktay, M. J. Peardon, Gert Aarts, C. R. Allton, Chris Allton

XXIVth International Symposium on Lattice Field Theory (LAT2005) - Finite Temperature and Density, Volume: 20, Start page: 176

Swansea University Author: Chris Allton

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DOI (Published version): 10.22323/1.020.0176

Abstract

We report on a study of charmonium at high temperature in 2-flavour QCD. This is the first such study with dynamical fermions. Using an improved anisotropic lattice action, spectral functions are extracted from correlators in the vector and pseudoscalar channels. No signs of medium-induced suppressi...

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Published in: XXIVth International Symposium on Lattice Field Theory (LAT2005) - Finite Temperature and Density
Published: 2005
Online Access: http://inspirehep.net/record/693106
URI: https://cronfa.swan.ac.uk/Record/cronfa28482
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Abstract: We report on a study of charmonium at high temperature in 2-flavour QCD. This is the first such study with dynamical fermions. Using an improved anisotropic lattice action, spectral functions are extracted from correlators in the vector and pseudoscalar channels. No signs of medium-induced suppression of the ground states are seen for temperatures up to 1.5T_c, while at T~2T_c there are clear signs of modifications. The current systematic and statistical uncertainties in our data, in particular the relatively coarse lattice and small volume, do not allow us to draw a firm conclusion at this stage.
College: College of Science
Start Page: 176