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Article
Title	Laser-assisted nuclear decay spectroscopy of $^{176,177,179}$Au
Author(s)	Harding, R D (York U., England ; CERN) ; Andreyev, A N (York U., England ; JAERI, Tokai) ; Barzakh, A E (St. Petersburg, INP) ; Cubiss, J G (York U., England) ; Van Duppen, P (Leuven U.) ; Al Monthery, M (York U., England) ; Althubiti, N A (Manchester U.) ; Andel, B (Leuven U. ; Comenius U.) ; Antalic, S (Comenius U.) ; Cocolios, T E (Leuven U. ; Manchester U.) ; Goodacre, T Day (CERN ; Manchester U.) ; Dockx, K (Leuven U.) ; Farooq-Smith, G J (Leuven U. ; Manchester U.) ; Fedorov, D V (St. Petersburg, INP) ; Fedosseev, V N (CERN) ; Fink, D A (Heidelberg, Max Planck Inst.) ; Gaffney, L P (Liverpool U. ; CERN) ; Ghys, L (Leuven U.) ; Johnson, J D (Leuven U.) ; Joss, D T (Liverpool U.) ; Huyse, M (Leuven U.) ; Imai, N (Tokyo U., CNS) ; Lynch, K M (CERN ; Manchester U.) ; Marsh, B A (CERN) ; Martinez Palenzuela, Y (CERN ; Leuven U.) ; Molkanov, P L (St. Petersburg, INP) ; O'Neill, G G (Liverpool U.) ; Page, R D (Liverpool U.) ; Rossel, R E (CERN ; Mainz U., Inst. Phys.) ; Rothe, S (CERN ; Mainz U., Inst. Phys.) ; Seliverstov, M D (St. Petersburg, INP) ; Sels, S (Leuven U.) ; Van Beveren, C (Leuven U.) ; Verstraelen, E (Leuven U.)
Publication	2021
Number of pages	16
In:	Phys. Rev. C 104 (2021) 024326
DOI	10.1103/PhysRevC.104.024326 (publication)
Subject category	Nuclear Physics - Experiment
Accelerator/Facility, Experiment	CERN ISOLDE
Abstract	A study of the laser-ionized and mass-separated neutron-deficient isotopes $^{176,177,179}$Au was performed using the Resonance Ionization Laser Ion Source and the Windmill detection setup at ISOLDE, CERN. New and improved data on complex fine-structure α decays of the three isotopes were deduced, providing insight into the low-lying levels in the daughter nuclei $^{172,173,175}$Ir. New information on the properties of β-decay daughter products $^{177,179}$Pt was also obtained. From the first in-source laser spectroscopy measurements of the hyperfine structure in the atomic 267.6-nm transition of 176Au, the nuclear magnetic moments for both high- and low-spin α-decaying states were deduced. Together with the values determined from the additivity relations, they were used to propose the most probable spins and configurations for both states. The α-decay branching ratios were determined as $b_{\alpha}$ $\left (^{176}\textrm{Au}^{ls}\right)=58(5)$% and $b_{\alpha}$ $(^{176} \textrm{Au}^{hs})=29(5)$%.
Copyright/License	publication: © 2021-2024 authors (License: CC BY 4.0)

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