High-spin states beyond the proton drip-line: Quasiparticle alignments in Cs-113
Wady, P.T., Smith, J.F., Hadinia, B., Cullen, D.M., Freeman, S.J., Darby, I.G., Eeckhaudt, S., Grahn, T., Greenlees, P., Jones, P., Julin, R., Juutinen, S., Kettunen, H., Leino, M., Leppänen, A.-P., McGuirk, B.M., Nieminen, P., Nyman, M., Page, R.D., . . . Wadsworth, R. (2015). High-spin states beyond the proton drip-line: Quasiparticle alignments in Cs-113. Physics Letters B, 740, 243-249. https://doi.org/10.1016/j.physletb.2014.11.045
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Physics Letters BAuthors
Date
2015Copyright
© 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license
(http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
Excited states have been studied in the deformed proton emitter 113Cs. Gamma-ray transitions have been
unambiguously assigned to 113Cs by correlation with its characteristic proton decay, using the method
of recoil-decay tagging. Two previously identified rotational bands have been observed and extended to
tentative spins of 45/2 and 51/2 h¯, with excitation energies over 8 MeV above the lowest state. These
are the highest angular momenta and excitation energies observed to date in any nucleus beyond the
proton drip-line. Transitions in the bands have been rearranged compared to previous work. A study
of aligned angular momenta, in comparison to the predictions of Woods–Saxon cranking calculations, is
consistent with the most intense band being based on the π g7/2[422]3/2+ configuration, which would
contradict the earlier πh11/2 assignment, and with the second band being based on the πd5/2[420]1/2+
configuration. The data suggest that the band based upon the πh11/2 configuration is not observed.
...
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Except where otherwise noted, this item's license is described as © 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license
(http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
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