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${{\mathit X}{(4160)}}$ MASS

INSPIRE   PDGID:

M190M

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 4153 {}^{+23}_{-21}}$ OUR AVERAGE $4146$ $\pm18$ $\pm33$ 24k 1 AAIJ 2021 E LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ $4156$ ${}^{+25}_{-20}$ $\pm15$ 24 PAKHLOV 2008 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit X}}$ 1  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 4.8 $\sigma $.

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