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${{\mathit X}{(4100)}^{\pm}}$ MASS

INSPIRE   PDGID:

M240M

VALUE (MeV) DOCUMENT ID TECN  COMMENT $4096$ $\pm20$ ${}^{+18}_{-22}$ AAIJ 2018 AN LHCB ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit \eta}_{{c}}{(1S)}}{{\mathit K}^{+}}{{\mathit \pi}^{-}}$

References:

AAIJ 2018AN EPJ C78 1019 Evidence for an $\eta _c(1S) \pi ^-$ resonance in $B^0 \rightarrow \eta _c(1S) K^+\pi ^-$ decays