Northern boundary of the “island of inversion” and triaxiality in 34Si

  • R. Han
  • , X. Q. Li
  • , W. G. Jiang
  • , Z. H. Li*
  • , H. Hua
  • , S. Q. Zhang
  • , C. X. Yuan
  • , D. X. Jiang
  • , Y. L. Ye
  • , J. Li
  • , Z. H. Li*
  • , F. R. Xu
  • , Q. B. Chen
  • , J. Meng
  • , J. S. Wang
  • , C. Xu
  • , Y. L. Sun
  • , C. G. Wang
  • , H. Y. Wu
  • , C. Y. Niu
  • C. G. Li, C. He, W. Jiang, P. J. Li, H. L. Zang, J. Feng, S. D. Chen, Q. Liu, X. C. Chen, H. S. Xu, Z. G. Hu, Y. Y. Yang, P. Ma, J. B. Ma, S. L. Jin, Z. Bai, M. R. Huang, Y. J. Zhou, W. H. Ma, Y. Li, X. H. Zhou, Y. H. Zhang, G. Q. Xiao, W. L. Zhan
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

β-decay studies of neutron-rich nuclei in and around the “island of inversion” have been performed. With a systematic investigation of half-lives for the isotonic chains from N=19 to 22, conspicuous kinks observed at Z=13 provide a clear signature of a boundary on the northern (high-Z) side of the island. Based on the comparison with shell model calculations using Gogny D1S and SDPF-M interactions, a newly determined 22 + state in 34Si at 4519 keV presents an experimental evidence of triaxiality in this region and sheds more light on the structure of the transition across the northern boundary of the island.

Original languageEnglish
Pages (from-to)529-533
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume772
DOIs
StatePublished - 10 Sep 2017
Externally publishedYes

Keywords

  • Half-life
  • Island of inversion
  • Shell model
  • Triaxiality
  • β-decay

Fingerprint

Dive into the research topics of 'Northern boundary of the “island of inversion” and triaxiality in 34Si'. Together they form a unique fingerprint.

Cite this