Thermal QCD sum rules predict that the X(6200) state, treated as an eta_c eta_c molecule, loses about 7% of its mass and 62% of its decay constant as the temperature rises to 0.14 GeV.
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An interpretation of the fully-charmed scalar state $X(6200)$ as a molecular di-meson
Thermal QCD sum rules predict that the X(6200) state, treated as an eta_c eta_c molecule, loses about 7% of its mass and 62% of its decay constant as the temperature rises to 0.14 GeV.