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In-medium modifications of open and hidden strange-charm mesons from spatial correlation functions

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abstract

We calculate spatial correlation functions of in-medium mesons consisting of strange--anti-strange, strange--anti-charm and charm--anti-charm quarks in (2+1)-flavor lattice QCD using the highly improved staggered quark action. A comparative study of the in-medium modifications of mesons with different flavor contents is performed. We observe significant in-medium modifications for the $\phi$ and $D_s$ meson channels already at temperatures around the chiral crossover region. On the other hand, for the $J/\psi$ and $\eta_c$ meson channels in-medium modifications remain relatively small around the chiral crossover region and become significant only above 1.3 times the chiral crossover temperature.

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2026 3

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UNVERDICTED 3

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representative citing papers

Charmonium properties at high temperatures from lattice QCD

hep-lat · 2026-05-19 · unverdicted · novelty 4.0

Lattice QCD calculations indicate charmonium states persist below the open-charm threshold up to 305 MeV but develop temperature-dependent thermal widths that increase with state size.

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