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K -mixing in the doubly mid-shell nuclide ¹⁷⁰Dy and the role of vibrational degeneracy

Söderström, P.-A.; Walker, P.M.; Wu, J.; Liu, H.L.; Regan, P.H.; Watanabe, H.; Doornenbal, P.; Korkulu, Z.; Lee, P.; Liu, J.J.; Lorusso, G.; Nishimura, S.; Phong, V.H.; Sumikama, T.; Xu, F.R.; Yagi, A.; Zhang, G.X.; Ahn, D.S.; Alharbi, T.; Baba, H.; Browne, F.; Bruce, A.M.; Carroll, R.J.; Chae, K.Y.; Dombradi, Zs.; Estrade, A.; Fukuda, N.; Griffin, C.J.; Ideguchi, E.; Inabe, N.; Isobe, T.; Kanaoka, H.; Kanaya, S.; Kojouharov, I.; Kondev, F.G.; Kubo, T.; Kubono, S.; Kurz, N.; Kuti, I.; Lalkovski, S.; Lane, G.J.; Lee, E.J.; Lee, C.S.; Lotay, G.; Moon, C.-B.; Nishizuka, I.; Niţă, C.R.; Odahara, A.; Patel, Z.; Podolyák, Zs.; Roberts, O.J.; Sakurai, H.; Schaffner, H.; Shand, C.M.; Suzuki, H.; Takeda, H.; Terashima, S.; Vajta, Zs.; Valiente-Dòbon, J.J.; Xu, Z.Y.

Description

A detailed study of the structure of the doubly mid-shell nucleus ¹⁷⁰₆₆Dy₁₀₄ has been carried out, following isomeric and β decay. We have measured the yrast band up to the spin-parity Jπ=6+ state, the K=2 γ -vibration band up to the 5+ state, a low-lying negative-parity band based on a 2− state that could be a candidate for the lowest energy octupole vibration state within this nucleus, and a candidate for the Kπ=6⁺ two quasi-particle isomer. This state was determined to have an excitation...[Show more]

CollectionsANU Research Publications
Date published: 2016-10-26
Type: Journal article
URI: http://hdl.handle.net/1885/110175
Source: Physics letters B
DOI: 10.1016/j.physletb.2016.09.058

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