arxiv: 1712.08086 · v2 · submitted 2017-12-21 · ✦ hep-ex
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A search for weakly decaying b-flavored pentaquarks
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Investigations of the existence of pentaquark states containing a single $b$ (anti)quark decaying weakly into four specific final states J/$\psi K^+\pi^- p$, J/$\psi K^- \pi^- p$, J/$\psi K^- \pi^+ p$, and $J/\psi \phi (1020) p$ are reported. The data sample corresponds to an integrated luminosity of 3.0/fb in 7 and 8 TeV pp collisions acquired with the LHCb detector. Signals are not observed and upper limits are set on the product of the production cross section times branching fraction with respect to that of the $\Lambda_b$.
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Magnetic moments of strange hidden-bottom pentaquarks and the role of spin flavor correlations
hep-ph 2026-03 unverdicted novelty 4.0
Magnetic moments of hidden-bottom pentaquarks are governed by global light strange quark spin-flavor structure rather than specific clustering details, with heavy bottom contributions strongly suppressed.
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