α decay of the new isotope Pu227
Physical review. C2024Vol. 110(4)
Citations Over TimeTop 10% of 2024 papers
H. B. Yang, Z. G. Gan, Z.Y. Zhang, M. H. Huang, L. Ma, Chen Yang, M. M. Zhang, Y. L. Tian, Yonghong Wang, J. G. Wang, Haibiao Zhou, Hua Wu, J. Y. Wang, Y. H. Qiang, Z. Zhao, X. Y. Huang, Xin-Jian Wen, Z. Y. Li, H. T. Zhang, S. Y. Xu, Zichao Li, N. Zhou, Xiaofeng Zhang, L. Zhu, Zhen Wang, Fengying Guan, Herun Yang, Wenxue Huang, Z. Z. Ren, Shan-Gui Zhou, H. S. Xu
Abstract
The new isotope $^{227}\mathrm{Pu}$ has been produced in the fusion-evaporation reaction $^{192}\mathrm{Os}(^{40}\mathrm{Ar},5n)^{227}\mathrm{Pu}$ at the gas-filled recoil separator SHANS, and identified using a well-established implantation-decay correlation technique. From the nine observed decay chains, the $\ensuremath{\alpha}$-particle energy and half-life of $^{227}\mathrm{Pu}$ were measured to be 8191(28) keV and $0.{78}_{\ensuremath{-}0.19}^{+0.39}$ s, respectively. The $\ensuremath{\alpha}$ decay, when analyzed using the reduced decay width, was tentatively assigned to be a hindered $\ensuremath{\alpha}$ transition with angular-momentum change of $\mathrm{\ensuremath{\Delta}}L=2$.
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