Treating Pc(4312), Pc(4440) and Pc(4457) as S-wave hadronic molecules, this paper computes decay widths and argues that spins 1/2^-, 1/2^- and 3/2^- respectively fit the measured widths.
The cutoff Λ 0 denotes a hard momentum scale which suppresses the contribution of the two constituents at short distances ∼ 1/Λ 0
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Strong decays of the latest LHCb pentaquark candidates in hadronic molecule pictures
Treating Pc(4312), Pc(4440) and Pc(4457) as S-wave hadronic molecules, this paper computes decay widths and argues that spins 1/2^-, 1/2^- and 3/2^- respectively fit the measured widths.