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Emerging collectivity in neutron-hole transitions near doubly magic 208 Pb

Gerathy, Matthew; Mitchell, AJ; Lane, Gregory; Stuchbery, Andrew; Akber, Aqeel; Alshammari, Hanaa; Bignell, Lindsey; Coombes, Ben; Dowie, Jackson; Gray, Timothy; Kibedi, Tibor; McCormick, Brendan; McKie, Lachlan; Rahman, Md. Shahinur; Reece, Martha; Spinks, Nathan; Tee, Bryan Pi Ern; Zhong, Yi Yi; Zhu, Kaiwen


Excited-state lifetimes were measured by direct fast-timing methods in three N=125 isotones — 209Po, 211Rn, and 213Ra — near doubly magic 208Pb. These nuclei have a single neutron hole and successively add pairs of protons relative to 208Pb. The first-excited state to ground-state transition, 5/21−→1/21−, has almost identical energy in each isotone and can be associated with the single neutron-hole transition νf5/2−1→νp1/2−1. The extent to which the protons act as spectators is assessed based...[Show more]

CollectionsANU Research Publications
Date published: 2021
Type: Journal article
Source: Physics Letters B
DOI: 10.1016/j.physletb.2021.136738
Access Rights: Open Access


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