$\mathbf {{{\mathit X}{(2120)}}}$ $\mathit I{}^{G}(\mathit J{}^{PC}) = ?{}^{?}(0{}^{??})$

INSPIRE   PDGID:
M300A07
MASS ${\mathrm {(MeV)}}$ WIDTH ${\mathrm {(MeV)}}$ EVTS DOCUMENT ID TECN  COMMENT
$ 2122.4 \pm6.7 {}^{+4.7}_{-2.7} $ $83 \pm16 {}^{+31}_{-11}$ 647
ABLIKIM
2011C
BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \eta}^{\,'}}$
References:
ABLIKIM 2011C
PRL 106 072002 Confirmation of the ${{\mathit X}{(1835)}}$ and Observation of the Resonances ${{\mathit X}{(2120)}}$ and ${{\mathit X}{(2370)}}$ in ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \eta}^{\,'}}$