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From the same journal

Beta decay of the axially asymmetric ground state of 192Re

Research output: Contribution to journalArticlepeer-review

Author(s)

  • H. Watanabe
  • Y.X. Watanabe
  • Y. Hirayama
  • A.N. Andreyev
  • T. Hashimoto
  • F.G. Kondev
  • G.J. Lane
  • Yu.A. Litvinov
  • J.J. Liu
  • H. Miyatake
  • J.Y. Moon
  • A.I. Morales
  • M. Mukai
  • S. Nishimura
  • T. Niwase
  • M. Rosenbusch
  • P. Schury
  • Y. Shi
  • M. Wada
  • P.M. Walker

Department/unit(s)

Publication details

JournalPhysics Letters B
DateAccepted/In press - 18 Jan 2021
DateE-pub ahead of print - 21 Jan 2021
DatePublished (current) - 1 Mar 2021
Volume814
Number of pages6
Early online date21/01/21
Original languageEnglish

Abstract

The β decay of 75192Re117, which lies near the boundary between the regions of predicted prolate and oblate deformations, has been investigated using the KEK Isotope Separation System (KISS) in RIKEN Nishina Center. This is the first case in which a low-energy beam of rhenium isotope has been successfully extracted from an argon gas-stopping cell using a laser-ionization technique, following production via multi-nucleon transfer between heavy ions. The ground state of 192Re has been assigned Jπ=(0−) based on the observed β feedings and deduced logft values towards the 0+ and 2+ states in 192Os, which is known as a typical γ-soft nucleus. The shape transition from axial symmetry to axial asymmetry in the Re isotopes is discussed from the viewpoint of single-particle structure using the nuclear Skyrme-Hartree-Fock model.

Bibliographical note

© 2021 The Authors.

    Research areas

  • Re, decay, Axial asymmetry, Shape transition

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