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

VALUE (MeV) DOCUMENT ID TECN  COMMENT
$4457.3$ $\pm0.6$ ${}^{+4.1}_{-1.7}$
 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
 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