α decay of110273: Shell closure atN=162
| Autor: | G. V. Buklanov, Kenton J. Moody, R. W. Lougheed, V. G. Subbotin, I. V. Shirokovsky, Yu. V. Lobanov, F. Sh. Abdullin, J. Rigol, Yu.A. Lazarev, Yu. S. Tsyganov, B. N. Gikal, K. Subotic, A. M. Sukhov, J. F. Wild, Yu. Ts. Oganessian, S. Iliev, A. N. Polyakov, A. N. Mezentsev, V. K. Utyonkov, V. B. Kutner |
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| Rok vydání: | 1996 |
| Předmět: | |
| Zdroj: | Physical Review C. 54:620-625 |
| ISSN: | 1089-490X 0556-2813 |
| Popis: | In bombardments of $^{244}\mathrm{Pu}$ with $^{34}\mathrm{S}$ we discovered the \ensuremath{\alpha}-decaying nuclide $^{273}110$. We conducted an extensive off-line search of the raw data for event sequences which fit the expected pattern of implantation in a position-sensitive detector and subsequent decay of $^{273}110$ and its descendants. We observed one three-member sequence of genetically linked \ensuremath{\alpha} decays, resulting in ${\mathit{E}}_{\mathrm{\ensuremath{\alpha}}}$=11.35 MeV, a half-life of 0.${3}_{\mathrm{\ensuremath{-}}0.2}^{+1.3}$ ms, and a production cross section of about 0.4 pb for $^{273}110$. Other possible $^{273}110$ event chains were also observed. The measured \ensuremath{\alpha}-particle energy for the N=163 nuclide $^{273}110$ provides direct evidence for a neutron shell closure at N=162. \textcopyright{} 1996 The American Physical Society. |
| Databáze: | OpenAIRE |
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