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Observed ωb spectrum and meson-baryon molecular states

AuthorsLiang, W.H.; Oset, Eulogi
Issue DateMar-2020
CitationPhysical Review D 101 (5): 054033 (2020)
AbstractWe observe that four peaks seen in the high energy part of the ωb spectrum of the recent LHCb experiment are in remarkable agreement with predictions made for molecular ωb states stemming from the meson-baryon interaction, with an approach that applied to the ωc states gives rise to three states in good agreement with experiment in masses and widths. While the statistical significance of the peaks prevents us from claims of states at the present time, the agreement found should be an incentive to look at this experiment with increased statistics to give an answer to this suggestive idea.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.101.054033
Identifiersdoi: 10.1103/PhysRevD.101.054033
issn: 2470-0029
Appears in Collections:(IFIC) Artículos
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