Investigation of the use of an α + Xn reaction channel to enhance the population of superdeformed states in 193Hg and 195Hg

G. Zwartz*, T. E. Drake, M. Cromaz, D. Ward, V. Janzen, A. Galindo-Uribarri, D. Prévost, J. Waddington, S. M. Mullins

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)

    Abstract

    A study was made to determine whether the population of superdeformed states in 193Hg and 195Hg can be enhanced by using reactions in which alpha particles are emitted. The search utilized a 184W(18O, αXn) reaction at 115 and 120 MeV for the 193Hg study and a 186W(18O, αXn) reaction at 105 and 110 MeV for the 195Hg study. Two known superdeformed states of 193Hg were observed. The intensities of the superdeformed states in 193populated by a reaction involving the emission of an alpha particle were found to be reduced by at least a factor of four relative to the intensities of these states produced in reactions involving only the emission of neutrons and y-rays. No rotational bands built on superdeformed states in 195with transition intensities > 0.8% of the total 195HG yield were found. Evidence is shown that the energy of the alpha particle that is associated with superdeformed states may be lower than that of alpha particles associated with normally deformed states.

    Original languageEnglish
    Pages (from-to)1723-1733
    Number of pages11
    JournalJournal of Physics G: Nuclear and Particle Physics
    Volume26
    Issue number11
    DOIs
    Publication statusPublished - Nov 2000

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