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Title Detailed $\alpha$-decay study of $^{180}\mathrm{Tl}$
Author(s) Andel, B (Comenius U.) ; Andreyev, A N (York U., England ; JAEA, Ibaraki ; CERN) ; Antalic, S (Comenius U.) ; Barzakh, A (St. Petersburg, INP) ; Bree, N (Leuven U.) ; Cocolios, T E (Leuven U. ; CERN) ; Comas, V F (Darmstadt, GSI) ; Diriken, J (Leuven U.) ; Elseviers, J (Leuven U.) ; Fedorov, D V (St. Petersburg, INP) ; Fedosseev, V N (CERN) ; Franchoo, S (Orsay, IPN) ; Ghys, L (Leuven U. ; SCK-CEN, Mol) ; Heredia, J A (Darmstadt, GSI) ; Huyse, M (Leuven U.) ; Ivanov, O (Leuven U.) ; Köster, U (Laue-Langevin Inst.) ; Liberati, V (West Scotland U.) ; Marsh, B A (CERN) ; Nishio, K (JAEA, Ibaraki) ; Page, R D (Liverpool U.) ; Patronis, N (Leuven U. ; Ioannina U.) ; Seliverstov, M D (Leuven U. ; CERN) ; Tsekhanovich, I (CENBG, Gradignan ; Manchester U.) ; Van den Bergh, P (Leuven U.) ; Van De Walle, J (CERN) ; Van Duppen, P (Leuven U.) ; Venhart, M (Bratislava, Inst. Phys.) ; Vermote, S (U. Gent (main)) ; Veselský, M (Bratislava, Inst. Phys.) ; Wagemans, C (U. Gent (main))
Publication 2017
Number of pages 11
In: Phys. Rev. C 96 (2017) 054327
DOI 10.1103/PhysRevC.96.054327
Subject category Nuclear Physics - Experiment
Accelerator/Facility, Experiment CERN ISOLDE
Abstract 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.
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publication: © 2017-2024 authors (License: CC-BY-4.0)

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