Low-lying positive parity bands in 162 Yb

L. Mdletshe, S. S. Ntshangase, J. F. Sharpey-Schafer, S. N.T. Majola, T. R.S. Dinoko, N. A. Khumalo, E. A. Lawrie, R. A. Bark, T. D. Bucher, N. Erasmus, P. Jones, S. Jongile, B. V. Kheswa, J. J. Lawrie, L. Makhathini, K. L. Malatji, B. Maqabuka, J. Ndayishimye, S. P. Noncolela, O. ShirindaM. A. Sithole

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8 Citations (Scopus)

Abstract

The structure of the low-lying positive parity bands in 162 Yb has been studied at iThemba LABS, using the 150 Sm( 16 O, 4n) 162 Yb fusion-evaporation reaction. A band built on the first excited 0 + 2 state has been identified for the first time. In addition, we report new rotational levels that form the band structures of both the odd and even spin components of the γ-vibrational band. The first excited 0 + 2 band and the even spin members of the γ-vibrational band exhibit a Landau-Zenner crossing. This crossing demonstrates that the significant signature splitting between the odd and even spin members of the γ band is contributed to by band mixing.

Original languageEnglish
Article number176
JournalEuropean Physical Journal A
Volume54
Issue number10
DOIs
Publication statusPublished - 2018

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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