Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Strong interactions and Hadron Physics
Light Meson Spectroscopy at BESIII
G. Hou
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Pre-published on: January 30, 2023
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Abstract
BESIII has the world’s largest samples of $J/\psi$ and $\psi(3686)$ events from $e^+e^-$ annihilations, which offer an ideal laboratory to study light meson spectroscopy, in particular for the search of QCD exotics with gluonic excitations.
The observation of a $1^{-+}$ state, $\eta_1(1855)$ in $J/\psi\rightarrow\gamma\eta\eta'$, the observation of the $X(2600)$ in $J/\psi \rightarrow \gamma\pi^+\pi^-\eta'$, and the observation of $J/\psi$ Electromagnetic Dalitz decays to $X(1835)$, $X(2120)$ and $X(2370)$ will be discussed in this proceeding.
DOI: https://doi.org/10.22323/1.414.0780
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