$\mathbf {{{\mathit X}{(1870)}} }$ $\mathit I{}^{G}(\mathit J{}^{PC}) = ?{}^{?}(2{}^{??})$

INSPIRE  
MASS ${\mathrm {(MeV)}}$ WIDTH ${\mathrm {(MeV)}}$ DOCUMENT ID TECN  COMMENT
$ 1870 \pm40 $ $250 \pm30$
ALDE
1986D
 GAM4 100 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ 2 ${{\mathit \eta}}$ X
References:
ALDE 1986D
NP B269 485 Production of ${{\mathit G}{(1590)}}$ and other Mesons Decaying into ${{\mathit \eta}}$ Pairs by 100 ${\mathrm {GeV/}}\mathit c$ ${{\mathit \pi}^{-}}$ on Protons