High-spin spectroscopy of 144Tb: Systematic investigation of dipole bands in N=79 isotones

  • Y. Y. Cheng*
  • , S. Q. Zhang
  • , X. Q. Li
  • , H. Hua
  • , C. Xu
  • , Z. H. Li
  • , P. W. Zhao
  • , J. Meng
  • , J. J. Sun
  • , Z. J. Bai
  • , F. R. Xu
  • , Y. L. Ye
  • , D. X. Jiang
  • , E. H. Wang
  • , C. He
  • , R. Han
  • , X. G. Wu
  • , G. S. Li
  • , C. Y. He
  • , Y. Zheng
  • C. B. Li, S. P. Hu, S. H. Yao, B. B. Yu, X. P. Cao, J. L. Wang
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The high-spin spectroscopy of 144Tb has been studied via 116Sn(32S, 3n1p)144Tb fusion-evaporation reaction at a beam energy of 156 MeV. A dipole band built on the πh11/23 - νh11/2-1 configuration is newly observed in 144Tb. Together with similar observation in neighboring nuclei, the properties of dipole bands in N=79 isotones are investigated in terms of the self-consistent tilted-axis-cranking covariant density functional theory. Based on systematic comparison and examination of the shears mechanism, the dipole band in 144Tb can be interpreted as a magnetic rotational band.

Original languageEnglish
Article number054309
JournalPhysical Review C - Nuclear Physics
Volume89
Issue number5
DOIs
StatePublished - 8 May 2014
Externally publishedYes

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