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${{\mathit \chi}_{{{c1}}}{(4685)}}$ MASS

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M261M

M261M VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 4677 {}^{+13}_{-15}}$ OUR AVERAGE $4653$ $\pm14$ $\pm27$ AAIJ 2025 Q   LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit \psi}{(2S)}}{{\mathit K}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $4684$ $\pm7$ ${}^{+13}_{-16}$ 24k 1 AAIJ 2021 E   LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ 1  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 15 $\sigma $.

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