${{\mathit X}{(2370)}}$ WIDTH

INSPIRE   PDGID:
M247W
VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 114 {}^{+12}_{-10}}$ OUR AVERAGE
$117$ $\pm10$ $\pm8$ 1
ABLIKIM
2020Q
BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}}{{\overline{\mathit K}}}{{\mathit \eta}^{\,'}}$
$83$ $\pm17$ ${}^{+44}_{-6}$
ABLIKIM
2011C
BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \eta}^{\,'}}$
1  The state observed by ABLIKIM 2011C at 2120 MeV is not observed with 90$\%$ CL upper limit of $1.49 \times 10^{-5}$ for ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit X}{(2120)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \eta}^{\,'}}$ and $6.38 \times 10^{-6}$ for ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \eta}^{\,'}}$.
References