\begin{document}$\alpha$\end{document} decay for \begin{document}$^{222}$\end{document}Pa was studied. The nuclides were produced through the 1p3n evaporation channel via the heavy-ion induced fusion evaporation reaction \begin{document}$^{40}$\end{document}Ar + \begin{document}$^{186}$\end{document}W. Based on the ER-\begin{document}$\alpha 1$\end{document}-\begin{document}$\alpha 2$\end{document}-\begin{document}$\alpha 3$\end{document} and \begin{document}$\alpha$\end{document}-\begin{document}$\gamma$\end{document} correlation measurement, three new \begin{document}$\alpha$\end{document} decays were observed in addition to the three branches known previously. The one with the largest \begin{document}$\alpha$\end{document} decay energy was regarded as the ground state to ground state transition. The newly measured \begin{document}$\alpha$\end{document} decay properties of \begin{document}$^{222}$\end{document}Pa were examined in a framework of reduced width."> Fine structure of <i>α</i> decay in <sup>222</sup>Pa -
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