Collective excitations and band termination in Nb-85

K Jonsson, B Cederwall, A Johnson, R Wyss, T Back, Joakim Cederkäll, M Devlin, J Elson, DR LaFosse, F Lerma, DG Sarantites, RM Clark, IY Lee, AO Macchiavelli, RW Macleod

Research output: Contribution to journalArticlepeer-review

Abstract

High-spin states in Nb-85 were studied using the GAMMASPHERE Ge detector array and the MICROBALL charged-particle detector system. Three gamma-ray cascades with collective rotational characteristics were observed. One of the bands exhibits a forking at the top, most likely reflecting the termination of one branch into a favoured non-collective, near spherical state. The data are interpreted in terms of cranked Strutinsky-type calculations. (C) 1999 Elsevier Science B.V.
Original languageEnglish
Pages (from-to)47-60
JournalNuclear Physics, Section A
Volume645
Issue number1
DOIs
Publication statusPublished - 1999
Externally publishedYes

Subject classification (UKÄ)

  • Subatomic Physics

Free keywords

  • Nb-85 deduced high-spin levels
  • (charged particle)gamma-coin
  • gamma-
  • gamma
  • I-gamma
  • measured E-gamma
  • p3 alpha)
  • Ni-58(Ca-40
  • E = 185 MeV
  • J
  • pi
  • rotational bands features
  • B(M1)/B(E2)
  • cranked mean field
  • calculations

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