ANDEL, B.; ANDREYEV, A.N.; ANTALIC, S.; BARZAKH, A.; BREE, N.; COCOLIOS, T.E.; COMAS, V.F.; DIRIKEN, J.; ELSEVIERS, J.; FEDOROV, D.V.; FEDOSSEEV, V.N.; FRANCHOO, S.; GHYS, L.; HEREDIA, J.A.; HUYSE, M.; IVANOV, O.; KÖSTER, U.; LIBERATI, V.; MARSH, B.A.; NISHIO, K.; PAGE, R.D.; PATRONIS, N.; SELIVERSTOV, M.D.; TSEKHANOVICH, I.; VAN DEN BERGH, P.; VAN DE WALLE, J.; VAN DUPPEN, P.; VENHART, M.; VERMOTE, S.; VESELSKÝ, M.; WAGEMANS, C.

doi:10.1103/PhysRevC.96.054327

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Phys.Rev.C. 2017, vol. 96, n° 5, p. 054327

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A detailed $\alpha$-decay spectroscopy study of $^{180}\mathrm{Tl}$ has been performed at ISOLDE (CERN). $Z$-selective ionization by the Resonance Ionization Laser Ion Source (RILIS) coupled to mass separation provided a high-purity beam of $^{180}\mathrm{Tl}$. Fine-structure $\alpha$ decays to excited levels in the daughter $^{176}\mathrm{Au}$ were identified and an $\alpha$-decay scheme of $^{180}\mathrm{Tl}$ was constructed based on an analysis of $\alpha$-$\gamma$ and $\alpha$-$\gamma$-$\gamma$ coincidences. Multipolarities of several $\gamma$-ray transitions deexciting levels in $^{176}\mathrm{Au}$ were determined. Based on the analysis of reduced $\alpha$-decay widths, it was found that all $\alpha$ decays are hindered, which signifies a change of configuration between the parent and all daughter states.< Leer menos

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Detailed $\alpha$-decay study of $^{180}\mathrm{Tl}$

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