Charmonium at high temperature in two-flavor QCD

Gert Aarts; Chris Allton; Mehmet Bugrahan Oktay; Mike Peardon; Jon-Ivar Skullerud

doi:10.1103/PhysRevD.76.094513

Charmonium at high temperature in two-flavor QCD

High Energy Physics - Lattice 2008-11-26 v2 High Energy Physics - Phenomenology Nuclear Theory

Authors: Gert Aarts , Chris Allton , Mehmet Bugrahan Oktay , Mike Peardon , Jon-Ivar Skullerud

Journal reference: Phys.Rev.D76:094513,2007

Comments: 11 pages, 19 figures. v2: expanded discussion and modified conclusions. One figure changed. To appear in PRD

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Abstract

We compute charmonium spectral functions in 2-flavor QCD on anisotropic lattices using the maximum entropy method. Our results suggest that the S-waves (J/psi and eta_c) survive up to temperatures close to 2Tc, while the P-waves (chi_c0 and chi_c1) melt away below 1.2Tc.

Cite

@article{arxiv.0705.2198,
  title  = {Charmonium at high temperature in two-flavor QCD},
  author = {Gert Aarts and Chris Allton and Mehmet Bugrahan Oktay and Mike Peardon and Jon-Ivar Skullerud},
  journal= {arXiv preprint arXiv:0705.2198},
  year   = {2008}
}

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