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Collective Rotation and Vibration in Neutron-Rich Hf-180,Hf-182 Nuclei

Ngijoi-Yogo, E, Tandel, S K, Mukherjee, G, Shestakova, I, Chowdhury, P, Wu, C Y, Cline, D, Hayes, A B, Teng, R, Clark, R M, Fallon, P, Macchiavelli, A O, Vetter, K, Kondev, F G, Langdown, S, Walker, P M, Wheldon, C and Cullen, D M (2007) Collective Rotation and Vibration in Neutron-Rich Hf-180,Hf-182 Nuclei Physical Review C, 75 (3). ISSN 0556-2813

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Abstract

High-spin states in neutron-rich Hf-180 and Hf-182 nuclei were populated through inelastic and transfer reactions with a Xe-136 beam incident on a thin Hf-180 target, and investigated using particle-gamma coincidence techniques. New collective band structures were observed, and previously known rotational and vibrational bands in these nuclei were extended to higher angular momenta. No obvious nucleon alignment was observed in the ground state band of either nucleus up to h omega=0.43 MeV, a significant delay compared to lighter even-even Hf isotopes. Woods-Saxon cranking calculations were performed to predict the nature of the first band crossings and shape evolution in Hf-180,Hf-182.

Item Type: Article
Additional Information: Published in <i>Physical Review C,</i> Vol. 75, Iss. 3. Copyright 2007 American Physical Society. Click <a href=http://prc.aps.org/>here</a> to access the journal's website.
Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Mr Adam Field
Date Deposited: 27 May 2010 14:09
Last Modified: 23 Sep 2013 18:28
URI: http://epubs.surrey.ac.uk/id/eprint/407

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