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

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M234W

M234W VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 87 {}^{+30}_{-24}}$ OUR AVERAGE  Error includes scale factor of 2.9.  See the ideogram below. $65$ ${}^{+20}_{-16}$ ${}^{+24}_{-9}$ 1 AAIJ 2025 B   LHCB ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$( ${{\mathit J / \psi}}{{\mathit \phi}}$) ${{\mathit p}}$ $231$ $\pm19$ $\pm32$ AAIJ 2025 Q   LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit \psi}{(2S)}}{{\mathit K}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $77$ $\pm6$ ${}^{+10}_{-8}$ 24k 2 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 3, 4 AAIJ 2017 C   LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ 1  From a fit using the five resonances reported in AAIJ 2021E, described by relativistic Breit-Wigner distributions. 2  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 20 $\sigma $. 3  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 6.1 $\sigma $. 4  Superseded by AAIJ 2021E.

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

References