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oaioai:juser.fz-juelich.de:156046

Charmonium spectral functions from 2+1 flavour lattice QCD

Abstract

Finite temperature charmonium spectral functions in the pseudoscalar and vector channels are studied in lattice QCD with 2+1 flavours of dynamical Wilson quarks, on fine isotropic lattices (with a lattice spacing of 0.057fm), with a non-physical pion mass of m_π ≈ 545 MeV. The highest temperature studied is approximately 1.4 T_c . Up to this temperature no significant variation of the spectral function is seen in the pseudoscalar channel. The vector channel shows some temperature dependence, which seems to be consistent with a temperature dependent low frequency peak related to heavy quark transport, plus a temperature independent term at ω > 0. These results are in accord with previous calculations using the quenched approximation

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oaioai:juser.fz-juelich.de:156046Last time updated on 5/16/2016View original full text link

This paper was published in Juelich Shared Electronic Resources.

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