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Träfflista för sökning "WFRF:(Kelly J A) srt2:(1993-1994)"

Sökning: WFRF:(Kelly J A) > (1993-1994)

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1.
  • VO, DT, et al. (författare)
  • SUPERDEFORMATION IN AU-191
  • 1993
  • Ingår i: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 71:3, s. 340-343
  • Tidskriftsartikel (refereegranskat)abstract
    • A superdeformed band has been observed for the first time in an Au isotope. The reaction used was B-11 + W-186, demonstrating that very light ions can be used to populate superdeformed (SD) bands at high angular momentum. The band is assigned to 191Au. The gamma-ray energies are at the quarter-point energies of the 192Hg SD band, indicating that it is ''identical'' to that of 192Hg.
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4.
  • Cederwall, Bo, et al. (författare)
  • NEW OBLATE BAND IN HG-196 WITH QUENCHED M1 STRENGTH
  • 1993
  • Ingår i: Physical Review C. Nuclear Physics. - 0556-2813 .- 1089-490X. ; 47:6, s. R2443-R2446
  • Tidskriftsartikel (refereegranskat)abstract
    • High-spin states in the nucleUs Hg-196 were populated in the reaction (Os(Be,5n))-Os-192 at a beam energy of 65 MeV. A regular rotational-like DELTAI = 1 band has been observed up to an excitation energy of E* almost-equal-to 8.7 MeV and spin I almost-equal-to 30hBAR. This is the second observation of a band of this character in a mercury isotope. The experimental results are compared with mean field calculations and semiclassical estimates based on the Donau-Frauendorf formalism. The mercury bands show significantly lower B(M1)/B(E2) branching ratios as compared with similar bands in light lead nuclei. This difference may be more readily explained by a difference in single-particle structure rather than by large differences in deformation between the lead and mercury configurations.
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