Observation and lifetime of the first excited superdeformed band in 192Hg

Korichi, A. and Hannachi, F. and Deloncle, I. and Korten, W. and Ahmad, I. and Azaiez, F. and Bastin, G. and Beausang, C.W. and Bourgeois, C. and Carpenter, M.P. and Clark, R.M. and Duffait, R. and Duprat, J. and Gall, B.J.P. and Henry, R.G. and Hübel, H. and Janssens, R.V.F. and Joyce, M.J. and Kaci, M. and Khoo, T.L. and Lauritsen, T. and Le Coz, Y. and Meyer, M. and Paul, E.S. and Perrin, N. and Poffé, N. and Porquet, M.G. and Redon, N. and Schück, C. and Sergolle, H. and Sharpey-Schafer, J.F. and Simpson, J. and Smith, A.G. and Wadsworth, R. A. and Willsau, P. (1995) Observation and lifetime of the first excited superdeformed band in 192Hg. Physics Letters B, 345 (4). pp. 403-407. ISSN 0370-2693

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An excited superdeformed (SD) band has been observed in 192Hg with the UROGAM spectrometer. It is interpreted as a two quasi-neutron excitation in the 192Hg SD nucleus. Nuclear level lifetimeshave been measured using the Dopple-shift attenuation method. An average transition quadrupole moment of 19.5 ± 1.5 b has been obtained which is similar to the value measured in the yeast SD band. These results indicate that the deformation in the 192Hg SD nucleus is stable despite changes in the occupancy of high-N-orbitals.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
?? nuclear and high energy physics ??
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Deposited On:
01 Apr 2019 13:20
Last Modified:
15 Jul 2024 19:11