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${{\mathit h}_{{{1}}}{(1415)}}$ WIDTH

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M109W

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 78 \pm11}$ OUR AVERAGE $66$ $\pm10$ ${}^{+12}_{-10}$ 1 ABLIKIM 2022 C BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}^{\,'}}{{\mathit \eta}^{\,'}}$ $\rightarrow$ 4 ${{\mathit \gamma}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $90.3$ $\pm9.8$ $\pm17.5$ 2.2k 2 ABLIKIM 2018 AB BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}}{{\mathit h}_{{{1}}}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}}{{\mathit K}^{*}}{{\overline{\mathit K}}}$ $84$ $\pm12$ $\pm40$ 2 ABLIKIM 2015 M BES3 ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c1,2}}}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \phi}}$( ${{\mathit h}_{{{1}}}}$ $\rightarrow$ ${{\mathit K}^{*}}{{\overline{\mathit K}}}$) $170$ $\pm80$ ABELE 1997 H CBAR ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_L^0}$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ $80$ $\pm30$ ASTON 1988 C LASS 11 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}{{\mathit \Lambda}}$ 1  From a partial wave analysis of the systems (${{\mathit \gamma}}{{\mathit X}}$), with ${{\mathit X}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}}{{\mathit \eta}^{\,'}}$, and (${{\mathit \eta}^{\,'}}{{\mathit X}}$), with ${{\mathit X}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}^{\,'}}$ in the decay ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}^{\,'}}{{\mathit \eta}^{\,'}}$. The intermediate resonance ${{\mathit X}}$ is parametrized by a constant-width, relativistic Breit-Wigner. 2  Final states ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$ and ${{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$.

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