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${{\mathit P}_{{c}}{(4457)}^{+}}$ MASS

INSPIRE   PDGID:

B172M

VALUE (MeV) DOCUMENT ID TECN  COMMENT $4457.3$ $\pm0.6$ ${}^{+4.1}_{-1.7}$ AAIJ 2019 W LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8, 13 TeV • • We do not use the following data for averages, fits, limits, etc. • • $4449.8$ $\pm1.7$ $\pm2.5$ 1 AAIJ 2015 P LHCB Repl. by AAIJ 2019W 1  Considering ${{\mathit P}_{{c}}{(4440)}}$ and ${{\mathit P}_{{c}}{(4457)}}$ as a single resonance.

References:

AAIJ 2019W PRL 122 222001 Observation of a narrow pentaquark state, $P_c(4312)^+$, and of two-peak structure of the $P_c(4450)^+$ AAIJ 2015P PRL 115 072001 Observation of ${{\mathit J / \psi}}{{\mathit p}}$ Resonances Consistent with Pentaquark States in ${{\mathit \Lambda}_{{b}}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{-}}{{\mathit p}}$ Decays