A coherent study of <i>e</i><sup>+</sup><i>e</i><sup>−</sup>→<i>ωπ</i><sup>0</sup>, <i>ωπ</i><sup>+</sup><i>π</i><sup>−</sup>, and <i>ωη</i>
DOI:
10.52396/justc-2023-0086
Publication Date:
2023-06-08T06:57:40Z
AUTHORS (4)
ABSTRACT
In this work, a combined analysis is performed on the processes of <inline-formula><tex-math id="M7">\begin{document}$e^+e^-\to\omega\pi^0\pi^0$\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="JUSTC-2023-0086_M7.jpg"/><graphic xlink:href="JUSTC-2023-0086_M7.png"/></alternatives></inline-formula>, id="M8">\begin{document}$e^+e^-\to\omega\pi^+\pi^-$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M8.jpg"/><graphic xlink:href="JUSTC-2023-0086_M8.png"/></alternatives></inline-formula>, and id="M9">\begin{document}$e^+e^-\to\omega\eta$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M9.jpg"/><graphic xlink:href="JUSTC-2023-0086_M9.png"/></alternatives></inline-formula> to study possible id="M10">\begin{document}$\omega$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M10.jpg"/><graphic xlink:href="JUSTC-2023-0086_M10.png"/></alternatives></inline-formula> excited states at approximately 2.2 GeV. The resonance parameters are extracted by simultaneous fits Born cross section line shapes these processes. fit with one resonance, mass width fitted be id="M11">\begin{document}$(2207\pm14)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M11.jpg"/><graphic xlink:href="JUSTC-2023-0086_M11.png"/></alternatives></inline-formula> MeV<inline-formula><tex-math id="M12">\begin{document}$/c^2$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M12.jpg"/><graphic xlink:href="JUSTC-2023-0086_M12.png"/></alternatives></inline-formula> id="M13">\begin{document}$(104\pm16)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M13.jpg"/><graphic xlink:href="JUSTC-2023-0086_M13.png"/></alternatives></inline-formula> MeV, respectively. result consistent previous measurements. two resonances, for first id="M14">\begin{document}$(2160\pm36)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M14.jpg"/><graphic xlink:href="JUSTC-2023-0086_M14.png"/></alternatives></inline-formula> id="M15">\begin{document}$/c^2$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M15.jpg"/><graphic xlink:href="JUSTC-2023-0086_M15.png"/></alternatives></inline-formula> (solution I), id="M16">\begin{document}$(2154\pm12)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M16.jpg"/><graphic xlink:href="JUSTC-2023-0086_M16.png"/></alternatives></inline-formula> id="M17">\begin{document}$/c^2$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M17.jpg"/><graphic xlink:href="JUSTC-2023-0086_M17.png"/></alternatives></inline-formula> II) id="M18">\begin{document}$(141\pm74)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M18.jpg"/><graphic xlink:href="JUSTC-2023-0086_M18.png"/></alternatives></inline-formula> MeV id="M19">\begin{document}$(152\pm77)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M19.jpg"/><graphic xlink:href="JUSTC-2023-0086_M19.png"/></alternatives></inline-formula> II), second id="M20">\begin{document}$(2298\pm19)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M20.jpg"/><graphic xlink:href="JUSTC-2023-0086_M20.png"/></alternatives></inline-formula> id="M21">\begin{document}$/c^2$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M21.jpg"/><graphic xlink:href="JUSTC-2023-0086_M21.png"/></alternatives></inline-formula> id="M22">\begin{document}$(2309\pm6)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M22.jpg"/><graphic xlink:href="JUSTC-2023-0086_M22.png"/></alternatives></inline-formula> id="M23">\begin{document}$/c^2$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M23.jpg"/><graphic xlink:href="JUSTC-2023-0086_M23.png"/></alternatives></inline-formula> id="M24">\begin{document}$(106\pm77)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M24.jpg"/><graphic xlink:href="JUSTC-2023-0086_M24.png"/></alternatives></inline-formula> id="M25">\begin{document}$(99\pm23)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M25.jpg"/><graphic xlink:href="JUSTC-2023-0086_M25.png"/></alternatives></inline-formula> theoretical prediction id="M26">\begin{document}$\omega(4S)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M26.jpg"/><graphic xlink:href="JUSTC-2023-0086_M26.png"/></alternatives></inline-formula> id="M27">\begin{document}$\omega(3D)$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M27.jpg"/><graphic xlink:href="JUSTC-2023-0086_M27.png"/></alternatives></inline-formula>. intermediate subprocesses in id="M28">\begin{document}$e^+e^-\to\omega\pi^+\pi^-$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M28.jpg"/><graphic xlink:href="JUSTC-2023-0086_M28.png"/></alternatives></inline-formula> analyzed using work. fitting id="M29">\begin{document}$\varGamma^{e^+e^-}_{{\rm{R}}}B_{{\rm{R}}}$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M29.jpg"/><graphic xlink:href="JUSTC-2023-0086_M29.png"/></alternatives></inline-formula> partially result. id="M30">\begin{document}$\varGamma^{e^+e^-}_{{\rm{R}}}B_{{\rm{R}}}$\end{document}</tex-math><alternatives><graphic xlink:href="JUSTC-2023-0086_M30.jpg"/><graphic xlink:href="JUSTC-2023-0086_M30.png"/></alternatives></inline-formula> same order magnitude as prediction. This work may provide useful information studying light flavor vector meson family.
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