Collective pair structure of K=0 and K=1 bands in deformed nuclei

L. C. De Winter, N. R. Walet, P. J. Brussaard, K. Allaart, A. E L Dieperink

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A dermion-pair description of collective excitations is applied to the well-deformed nucleus 156Gd. When the structure of the S(L=0), D(L=2) and G(L=4) pairs is fixed, the nucleus is found to be considerably stiffer against Kπ=0+ vibrations than when the structure varies selfconsistently with deformation. This effect can be well accounted for by the introduction of one extra S′-pair only. For large-amplitude vibrations, which comprise oblate states, also a D′-pair is important. The variation of the structure of the intrinsic pairs is rather unimportant for the lowest Kπ=1+ excitation. © 1986.
    Original languageEnglish
    Pages (from-to)322-326
    Number of pages4
    JournalPhysics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics
    Volume179
    Issue number4
    Publication statusPublished - 30 Oct 1986

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