Impact of triaxiality on the rotational structure of neutron-rich rhenium isotopes
Reed, Matthew; Lane, Gregory; Dracoulis, George; Kondev, Filip G; Carpenter, M P; Chowdhury, P; Hota, Sankha; Hughes, Richard; Janssens, R V F; Lauritsen, T; Lister, C J; Palalani, Nyaladzi; Seweryniak, D; Watanabe, H; Zhu, S.; Jiang, W.G.; Xu, F.R.
A number of 3-quasiparticle isomers have been found and characterised in the odd-mass, neutron-rich, 187Re, 189Re and 191Re nuclei, the latter being four neutrons beyond stability. The decay of the isomers populates states in the rotational bands built upon the 9/2− Nilsson orbital. These bands exhibit a degree of signature splitting that increases with neutron number. This splitting taken together with measurements of the M1/E2 mixing ratios and with the changes observed in the energy of...[Show more]
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