$\mathbf {{{\mathit X}_{{2}}{(2210)}}}$ $\mathit I{}^{G}(\mathit J{}^{PC}) = 0{}^{+}(2{}^{++})$

INSPIRE   PDGID:
M300A05
MASS ${\mathrm {(MeV)}}$ WIDTH ${\mathrm {(MeV)}}$ DOCUMENT ID TECN  COMMENT
$ 2210 \pm60 $ $360 \pm120$ 1
KLEMPT
2022
RVUE ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ , ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$
1  Fit of the tensor partial waves from BES3 in the multipole basis. Might be a cluster of $\mathit J{}^{PC} = 2{}^{++}$ resonances. The ratio of decay widths ${{\mathit K}}{{\mathit K}^{-}}$ $/$ ${{\mathit \pi}}{{\mathit \pi}}$ is $0.23$ $\pm0.05$.
References:
KLEMPT 2022
PL B830 137171 Search for the tensor glueball