# $\mathbf {{{\boldsymbol X}{(1870)}}}$ $\boldsymbol I\boldsymbol G(\boldsymbol J{}^{PC}) = ?{}^{?}(2{}^{??})$ INSPIRE search

MASS ${\mathrm {(MeV)}}$ WIDTH ${\mathrm {(MeV)}}$ DOCUMENT ID TECN  COMMENT
$1870 \pm40$ 250+-30
 1986 D
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