Multiple chiral bands in 137 Nd

Research output: Contribution to journalArticle

Abstract

Two new bands have been identified in 137Nd from a high-statistics JUROGAM II gamma-ray spectroscopy experiment. Constrained density functional theory and particle rotor model calculations are used to assign configurations and investigate the band properties, which are well described and understood. It is demonstrated that these two new bands can be interpreted as chiral partners of previously known three-quasiparticle positive- and negative-parity bands. The newly observed chiral doublet bands in 137Nd represent an important support to the existence of multiple chiral bands in nuclei. The present results constitute the missing stone in the series of Nd nuclei showing multiple chiral bands, which becomes the most extended sequence of odd–even and even-even nuclei presenting multiple chiral bands in the Segré chart.

Details

Authors
  • C. M. Petrache
  • B. F. Lv
  • Q. B. Chen
  • J. Meng
  • A. Astier
  • E. Dupont
  • K. K. Zheng
  • P. T. Greenlees
  • H. Badran
  • T. Calverley
  • T. Grahn
  • J. Hilton
  • R. Julin
  • S. Juutinen
  • J. Konki
  • J. Pakarinen
  • P. Papadakis
  • J. Partanen
  • P. Rahkila
  • P. Ruotsalainen
  • M. Sandzelius
  • J. Saren
  • C. Scholey
  • J. Sorri
  • S. Stolze
  • J. Uusitalo
  • B. Cederwall
  • A. Ertoprak
  • H. Liu
  • S. Guo
  • J. G. Wang
  • X. H. Zhou
  • I. Kuti
  • J. Timár
  • A. Tucholski
  • J. Srebrny
  • C. Andreoiu
Organisations
External organisations
  • University of Paris-Saclay
  • Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM)
  • Peking University
  • University of Jyväskylä
  • University of Liverpool
  • CERN
  • Daresbury Laboratory
  • University of Oulu
  • Argonne National Laboratory
  • KTH Royal Institute of Technology
  • Institute of Modern Physics, Chinese Academy of Sciences
  • University of Warsaw
  • Simon Fraser University
  • Kyoto University
  • Institute for Nuclear Research, Hungarian Academy of Sciences (ATOMKI)
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Subatomic Physics
Original languageEnglish
Article number208
JournalEuropean Physical Journal A
Volume56
Issue number8
Publication statusPublished - 2020
Publication categoryResearch
Peer-reviewedYes