Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Thermal properties of the exotic $X(3872)$ state via QCD sum rule   In this work we investigate the $X(3872)$ meson with quantum numbers
$J^{PC}=1^{++}$ in the framework of the thermal QCD sum rules method. We use a
diquark-antidiquark current with the corresponding quantum numbers and
calculate the two-point correlation function including contributions of
non-perturbative condensates up to six dimensions. Analysis of the obtained
thermal sum rule allows us to study contributions of a medium to the mass and
coupling constant of the $X(3872)$ resonance. Our numerical calculations
demonstrate that the mass and the meson-current coupling constant are
insensitive to the variation of temperature up to $T=110\sim MeV$ , however
after this point; they start to fall by increasing the temperature. At
deconfinement temperature, the meson-current coupling constants attain roughly
to $34\%$ of the vacuum value.

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The categories of this paper are: econ
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The categories of this paper are: comp-gas
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The categories of this paper are: quant-ph
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The categories of this paper are: stat
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The categories of this paper are: cs
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The categories of this paper are: q-bio
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The categories of this paper are: dg-ga
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The categories of this paper are: gr-qc
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The categories of this paper are: eess
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The categories of this paper are: adap-org
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The categories of this paper are: ao-sci
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The categories of this paper are: funct-an
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The categories of this paper are: q-fin
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The categories of this paper are: bayes-an
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The categories of this paper are: chao-dyn
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The categories of this paper are: chem-ph