# $\mathbf {{{\boldsymbol X}}(1850 - 3100)}$ $\boldsymbol I\boldsymbol G(\boldsymbol J{}^{PC}) = ?{}^{?}(1{}^{--})$ INSPIRE search

VALUE CL% DOCUMENT ID TECN  COMMENT
$<120$ 90 1
 2011
KEDR ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ hadrons
1  This limit is center-of-mass energy dependent. We quote the most stringent one.
References:
 ANASHIN 2011
PL B703 543 Search for Narrow Resonances in ${{\mathit e}^{+}}{{\mathit e}^{-}}$ Annihilation between 1.85 and 3.1 GeV with the KEDR Detector