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High Energy Physics - Phenomenology

arXiv:1603.02708 (hep-ph)
[Submitted on 8 Mar 2016 (v1), last revised 30 Jun 2016 (this version, v3)]

Title:Exploring $X(5568)$ as a meson molecule

Authors:S. S. Agaev, K. Azizi, H. Sundu
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Abstract:The parameters, i.e. the mass and current coupling of the exotic $X(5568)$ state observed by the D0 Collaboration as well as the decay width of the process $X \to B_s^{0}\pi^{+}$ are explored using $B\bar{K}$ molecule assumption on its structure. Employed computational methods include QCD two-point and light-cone sum rules, latter being considered in the soft-meson approximation. The obtained results are compared with the data of the D0 Collaboration as well as with the predictions of the diquark-antidiquark model. This comparison strengthens a diquark-antidiquark picture for the $X(5568)$ state rather than a meson molecule structure.
Comments: 7 Pages, 2 Figures and 1 Table
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Experiment (hep-ex); High Energy Physics - Lattice (hep-lat); Nuclear Theory (nucl-th)
Cite as: arXiv:1603.02708 [hep-ph]
  (or arXiv:1603.02708v3 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1603.02708

Submission history

From: Kazem Azizi [view email]
[v1] Tue, 8 Mar 2016 21:19:38 UTC (11 KB)
[v2] Tue, 19 Apr 2016 11:49:04 UTC (152 KB)
[v3] Thu, 30 Jun 2016 12:30:28 UTC (153 KB)
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