Signatures of charmonium modification in spatial correlation functions

@article{Karsch2012SignaturesOC,
  title={Signatures of charmonium modification in spatial correlation functions},
  author={F. Karsch and E. Laermann and S. Mukherjee and P. Petreczky},
  journal={Physical Review D},
  year={2012},
  volume={85},
  pages={114501}
}
We study spatial correlation functions of charmonium in 2+1 flavor QCD using an improved staggered formulation. Contrary to the temporal correlation functions the spatial correlation functions exhibit a strong temperature dependence above the QCD transition temperature. Above this temperature they are sensitive to temporal boundary conditions. Both features become significant at a temperature close to 1.5Tc and suggest corresponding modifications of charmonium spectral functions. 
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