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Prediction of new charmed and bottom exotic pentaquarks
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Baryons of the type Qqqqq-bar (where Q = c,b and q = u,d,s quarks) forming anti-decapenta (15)-plets with spin-parity one half-plus are predicted on simple theoretical considerations. The lightest members of these multiplets are explicitly exotic doublets cuuds-bar, cudds-bar with mass about 2420 MeV, and buuds-bar, budds-bar with mass about 5750 MeV, only 130 MeV heavier than Lambda_c and Lambda_b, respectively, and thus stable against strong decays. Although the production rate is probably very low, these remarkable pentaquarks can be looked for at LHC, Fermilab, B-factories, RHIC and elsewhere: their signatures are briefly discussed.
Forward citations
Cited by 2 Pith papers
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Improved pion mean fields and masses of singly heavy baryons
Self-consistently recomputing the pion mean fields with N_c-1 valence quarks improves the chiral quark-soliton model predictions for singly heavy baryon masses and shows no soliton solution exists for doubly heavy baryons.
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Odyssey of the elusive $\Theta^+$
A review of the Theta+ pentaquark story concludes that the chiral soliton model's small-width prediction remains viable and new kaon-beam experiments may decide its existence.
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