First measurement of magnetic properties in a superdeformed nucleus: Hg193

Joyce, M.J. and Sharpey-Schafer, J.F. and Twin, P.J. and Beausang, C.W. and Cullen, D.M. and Riley, M.A. and Clark, R.M. and Dagnall, P.J. and Deloncle, I. and Duprat, J. and Fallon, P. and Forsyth, P.D. and Fotiades, N. and Gale, S.J. and Gall, B. and Hannachi, F. and Harissopulos, S. and Hauschild, K. and Jones, P.M. and Kalfas, C.A. and Korichi, A. and Le Coz, Y. and Meyer, M. and Paul, E.S. and Porquet, M.G. and Redon, N. and Schuck, C. and Simpson, J. and Vlastou, R. and Wadsworth, R. (1993) First measurement of magnetic properties in a superdeformed nucleus: Hg193. Physical review letters, 71. pp. 2176-2179. ISSN 1079-7114

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Dipole transitions linking signature partner superdeformed bands in 193Hg have been observed. Measurements of the photon decay branching ratios, taken together with the average superdeformed quadrupole moment measured in neighboring nuclei, enable the absolute M1 strengths to be determined. From these data, using the strong coupling model, we find (gK-gR)K/Q0=-0.14±0.01 (e b)−1, gK=-0.65±0.14 with Ω=2.8±0.8. These data are consistent with the superdeformed neutron orbital being [512]5/2− as predicted by cranked Woods-Saxon calculations.

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Physical review letters
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01 Apr 2019 07:50
Last Modified:
21 Sep 2023 02:35