Abstract.
High-spin states in 163,164Ho were investigated by means of in-beam \(\gamma\)-ray spectroscopy techniques using the multidetector array GASP. Excited states in 163,164Ho were populated predominantly through the incomplete-fusion mechanism in the 160Gd (11B \(,\alpha xn)\) reaction at a beam energy of 61 MeV. Known rotational bands in 163 Ho have been extended to higher spins and a three-quasiparticle band has been observed in this nucleus. Rotational bands have been identified in 164Ho and their configurations have been discussed. Empirical Gallagher-Moszkowski (GM) splitting energies were extracted from the \(\pi 7/2^-[523]\otimes\nu 5/2^-[523]\) and \(\pi 7/2^-[523]\otimes\nu 5/2^ + [642]\) GM doublets. Alignments, band crossing frequencies, and electromagnetic properties have been analyzed in the framework of the cranking model.
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Communicated by D. Schwalm
Received: 13 February 2004, Revised: 18 March 2004, Published online: 14 September 2004
PACS:
21.10.Re Collective levels - 21.60.Ev Collective models - 23.20.Lv \(\gamma\) transitions and level energies - 27.70. + q \(150\leq A\leq 189\)
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Hojman, D., Cardona, M.A., Bazzacco, D. et al. Excited states in 163,164Ho populated through incomplete-fusion reactions. Eur. Phys. J. A 21, 383–390 (2004). https://doi.org/10.1140/epja/i2004-10009-9
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DOI: https://doi.org/10.1140/epja/i2004-10009-9