PoS - Proceedings of Science
Volume 310 - XVII International Conference on Hadron Spectroscopy and Structure (Hadron2017) - Posters
Thermal Properties of the Tetraquark $X(3872)$ in Diquark-antidiquark Approach
E. Veli Veliev*, S. Günaydın and H. Sundu
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Pre-published on: February 19, 2018
Published on: March 20, 2018
The thermal features of the X(3872) state with the quantum numbers $ J^{PC}=1^{++} $ are investigated by considering it as a diquark-antidiquark bound state. The nature of this exotic resonance is explored using QCD sum rule method. The numerical calculations demonstrate that in the low temperature region the mass and current coupling constant of $ X(3872) $ is insensitive to temperature, but decreases significantly before the critical temperature. At the deconfinement temperature the current coupling constant and mass attains approximately to $ 34\% $ and $ 74\% $ of their vacuum values, respectively. The zero-temperature results are in good agreement with the experimental measurements and other theoretical studies presented in the literature.
DOI: https://doi.org/10.22323/1.310.0246
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