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${{\mathit \chi}_{{c0}}{(4700)}}$ MASS

INSPIRE   PDGID:

M235M

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $4694$ $\pm4$ ${}^{+16}_{-3}$ 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. • • $4741$ $\pm6$ $\pm6$ 175 2 AAIJ 2021 C LHCB ${{\mathit B}^{0}_{s}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $4704$ $\pm10$ ${}^{+14}_{-24}$ 4289 3, 4 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 17 $\sigma $. 2  From a 1D fit to the ${{\mathit J / \psi}}{{\mathit \phi}}$ mass distribution with a significance of 5.3 $\sigma $. The identification of this structure as the ${{\mathit \chi}_{{c0}}{(4700)}}$ needs confirmation. 3  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 5.6 $\sigma $. 4  Superseded by AAIJ 2021E.

References:

AAIJ 2021C JHEP 2102 024 Study of $B^0_s \to J\psi \pi^+\pi^-K^+K^-$ decays AAIJ 2021E PRL 127 082001 Observation of New Resonances Decaying to $J/\psi K^+$+ and $J/\psi \phi$ AAIJ 2017C PRL 118 022003 Observation of ${{\mathit J / \psi}}{{\mathit \phi}}$ Structures Consistent with Exotic States from Amplitude Analysis of ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ Decays Also PR D95 012002 Amplitude Analysis of ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ Decays