Lifetime measurements of excited states in <SUP>162</SUP>W and <SUP>164</SUP>W and the evolution of collectivity in rare-earth nuclei

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Doncel, M, Cederwall, B, Qi, C, Li, H, Jakobsson, U, Auranen, K, Boenig, S, Drummond, MC, Grahn, T, Greenlees, PT et al (show 24 more authors) , Herzan, A, Joss, DT ORCID: 0000-0001-5763-8767, Julin, R, Juutinen, S, Konki, J, Kroell, T, Leino, M, McPeake, C, O'Donnell, D, Page, RD, Pakarinen, J, Partanen, J, Peura, P, Rahkila, P, Ruotsalainen, P, Sandzelius, M, Saren, J, Saygi, B, Scholey, C, Sorri, J, Stolze, S, Taylor, MJ, Thornthwaite, A and Uusitalo, J (2017) Lifetime measurements of excited states in <SUP>162</SUP>W and <SUP>164</SUP>W and the evolution of collectivity in rare-earth nuclei. PHYSICAL REVIEW C, 95 (4).

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Abstract

Lifetimes of the first excited 2+ states in the extremely neutron-deficient W162 and W164 nuclei have been measured using the recoil distance Doppler shift technique. Experimental B(E2) data for the isotopic chains of hafnium, tungsten, and osmium, from the midshell region near the β-stability line towards the N=82 closed shell and the most neutron-deficient nuclides, are compared with predictions of nuclear deformations and 21+→0g.s.+ reduced transition strengths from different classes of state-of-the-art theoretical model calculations. The results reveal striking differences and deficiencies in the predictive power of current nuclear structure models.

Item Type:	Article
Depositing User:	Symplectic Admin
Date Deposited:	18 May 2017 10:21
Last Modified:	12 Oct 2023 17:58
DOI:	10.1103/PhysRevC.95.044321
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3007533