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In-beam spectroscopic study of Cf 244

  • J. Konki
  • , B. Sulignano
  • , P. T. Greenlees
  • , Ch Theisen
  • , K. Auranen
  • , H. Badran
  • , R. Briselet
  • , D. M. Cox
  • , F. Defranchi Bisso
  • , J. Dobaczewski
  • , T. Grahn
  • , A. Herzán
  • , R. D. Herzberg
  • , R. Julin
  • , S. Juutinen
  • , J. Khuyagbaatar
  • , M. Leino
  • , A. Lightfoot
  • , J. Pakarinen
  • , P. Papadakis
  • J. Partanen, P. Rahkila, M. Sandzelius, J. Sarén, C. Scholey, Y. Shi, M. Smolen, J. Sorri, S. Stolze, J. Uusitalo
  • University of Jyväskylä
  • Université Paris-Saclay
  • Argonne National Laboratory
  • University of Helsinki
  • University of York
  • University of Warsaw
  • University of Liverpool
  • Helmholtz Institute Mainz
  • GSI Helmholtz Centre for Heavy Ion Research
  • University of the West of Scotland

Research output: Contribution to journalArticlepeer-review

Abstract

The ground-state rotational band of the neutron-deficient californium (Z=98) isotope Cf244 was identified for the first time and measured up to a tentative spin and parity of Iπ=20+. The observation of the rotational band indicates that the nucleus is deformed. The kinematic and dynamic moments of inertia were deduced from the measured γ-ray transition energies. The behavior of the dynamic moment of inertia revealed an up-bend due to a possible alignment of coupled nucleons in high-j orbitals starting at a rotational frequency of about ω=0.20MeV. The results were compared with the systematic behavior of the even-even N=146 isotones as well as with available theoretical calculations that have been performed for nuclei in the region.

Original languageEnglish
Article number024306
JournalPhysical Review C
Volume97
Issue number2
DOIs
StatePublished - 5 Feb 2018

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