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${{\mathit X}{(4630)}}$ MASS

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M262M

M262M VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 4636 {}^{+29}_{-100}}$ OUR AVERAGE  Error includes scale factor of 1.2. $4785$ $\pm37$ $\pm119$ 1 AAIJ 2025 Q   LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit \psi}{(2S)}}{{\mathit K}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $4626$ $\pm16$ ${}^{+18}_{-110}$ 24k 2 AAIJ 2021 E   LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ 1  $\mathit J{}^{P} = 1{}^{-}$. 2  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 5.5 $\sigma $.

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