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${{\mathit \chi}_{{{c0}}}{(4500)}}$ WIDTH

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M234W

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $77$ $\pm6$ ${}^{+10}_{-8}$ 24k 1 AAIJ 2021 E LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ • • We do not use the following data for averages, fits, limits, etc. • • $92$ $\pm21$ ${}^{+21}_{-20}$ 4289 2, 3 AAIJ 2017 C 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 20 $\sigma $. 2  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 6.1 $\sigma $. 3  Superseded by AAIJ 2021E.

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