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. Shirinda
  • M. A. Sithole

Research output: Contribution to journalArticlepeer-review

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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