Rotational structures in 129Nd and signature splitting systematics of the νh11/2 bands in A ∼ 130 nuclei

O. Zeidan, D. J. Hartley, L. L. Riedinger, M. Danchev, W. Reviol, W. D. Weintraub, Jing Ye Zhang, A. Galindo-Uribarri, C. J. Gross, S. D. Paul, C. Baktash, M. Lipoglavsek, D. C. Radford, C. H. Yu, D. G. Sarantites, M. Devlin, M. P. Carpenter, R. V.F. Janssens, D. Seweryniak, E. Padilla

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Abstract

High-spin states in 129Nd were populated in the reaction 92Mo(40Ca, 2pn) with beam energies of 170 and 184 MeV in two separate experiments. Over 140 new transitions were placed in a level scheme that consists of four rotational structures, three of which have been observed for the first time. The bands were assigned configurations based on their B(M 1)/B(E2) ratios (for the strongly coupled bands), aligned angular momentum, observed band crossings, and signature splitting. Evidence for of the observation of the deformation driving νi13/2[660] 1/2 orbital is presented. Signature splitting trends in the νh11/2 bands of A ∼ 130 nuclei are investigated within the framework of the cranked shell model. Comparisons are made with observations in the πh11/2 bands near A ∼ 160.

Original languageEnglish
Article number024303
Pages (from-to)243031-2430315
Number of pages2187285
JournalPhysical Review C - Nuclear Physics
Volume65
Issue number2
DOIs
StatePublished - Feb 2002
Externally publishedYes

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