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${{\mathit K}{(1830)}}$ MASS

INSPIRE   PDGID:

M088M

EVTS DOCUMENT ID TECN CHG  COMMENT • • We do not use the following data for averages, fits, limits, etc. • • $1874$ $\pm43$ ${}^{+59}_{-115}$ 4289 1, 2 AAIJ 2017 C LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ $\sim$$1830$ ARMSTRONG 1983 OMEG - 18.5 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ 3 ${{\mathit K}}{{\mathit p}}$ 1  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 3.5 $\sigma $. 2  A subsequent amplitude analysis of ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ by AAIJ 2021E did not confirm this measurement.

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