Medium- and high-spin band structure of the chiral-candidate nucleus 134Pr

J. Tímár, K. Starosta, I. Kuti, D. Sohler, D. B. Fossan, T. Koike, E. S. Paul, A. J. Boston, H. J. Chantler, M. Descovich, R. M. Clark, M. Cromaz, P. Fallon, I. Y. Lee, A. O. MacChiavelli, C. J. Chiara, R. Wadsworth, A. A. Hecht, D. Almehed, S. Frauendorf

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Abstract

Medium- and high-spin states of 134Pr were populated using the 116Cd(23Na,5n) reaction and studied with the GAMMASPHERE spectrometer. Several new bands have been found in this nucleus, one of them being linked to the previously observed chiral-candidate twin-band structure. The ground state of 134Pr could be determined through establishing a level structure that connects the two previously known long-lived isomeric states. Unambiguous spin-parity assignments for the excited states could be performed based on the known 2 - spin-parity of the ground state combined with the present experimental data. Intrinsic single-particle configurations have been assigned to the newly observed bands on the basis of the measured B(M1)/B(E2) ratios, alignments, band-crossing frequencies, bandhead spins, the observed single-particle configurations in the neighboring nuclei, and taking into account the predictions of total Routhian surface and tilted-axis cranking calculations.

Original languageEnglish
Article number044302
JournalPhysical Review C - Nuclear Physics
Volume84
Issue number4
DOIs
Publication statusPublished - Oct 5 2011

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nuclei
parity
ground state
configurations
alignment
spectrometers
predictions
excitation

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Medium- and high-spin band structure of the chiral-candidate nucleus 134Pr. / Tímár, J.; Starosta, K.; Kuti, I.; Sohler, D.; Fossan, D. B.; Koike, T.; Paul, E. S.; Boston, A. J.; Chantler, H. J.; Descovich, M.; Clark, R. M.; Cromaz, M.; Fallon, P.; Lee, I. Y.; MacChiavelli, A. O.; Chiara, C. J.; Wadsworth, R.; Hecht, A. A.; Almehed, D.; Frauendorf, S.

In: Physical Review C - Nuclear Physics, Vol. 84, No. 4, 044302, 05.10.2011.

Research output: Contribution to journalArticle

Tímár, J, Starosta, K, Kuti, I, Sohler, D, Fossan, DB, Koike, T, Paul, ES, Boston, AJ, Chantler, HJ, Descovich, M, Clark, RM, Cromaz, M, Fallon, P, Lee, IY, MacChiavelli, AO, Chiara, CJ, Wadsworth, R, Hecht, AA, Almehed, D & Frauendorf, S 2011, 'Medium- and high-spin band structure of the chiral-candidate nucleus 134Pr', Physical Review C - Nuclear Physics, vol. 84, no. 4, 044302. https://doi.org/10.1103/PhysRevC.84.044302
Tímár, J. ; Starosta, K. ; Kuti, I. ; Sohler, D. ; Fossan, D. B. ; Koike, T. ; Paul, E. S. ; Boston, A. J. ; Chantler, H. J. ; Descovich, M. ; Clark, R. M. ; Cromaz, M. ; Fallon, P. ; Lee, I. Y. ; MacChiavelli, A. O. ; Chiara, C. J. ; Wadsworth, R. ; Hecht, A. A. ; Almehed, D. ; Frauendorf, S. / Medium- and high-spin band structure of the chiral-candidate nucleus 134Pr. In: Physical Review C - Nuclear Physics. 2011 ; Vol. 84, No. 4.
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