Acta Physica Polonica B

Vol. 38, No. 4, April 2007, page 1417


Pair of Bands in the Oblate Doubly-Odd 198Tl Nucleus

E.A. Lawrie, P. Vymers, Ch. Vieu, J.J. Lawrie, C. Schueck, R.A. Bark, R. Lindsay, S.M. Maliage, S.M. Mullins, S.H.T. Murray, T.M. Ramashidzha, J.F. Sharpey-Schafer

The excited states in 198Tl populated in the 197Au(\alpha ,3n) reaction at a beam energy of 40 MeV were studied using two complementary experiments aimed at \gamma -ray spectroscopy at iThemba LABS, and at electron-\gamma spectroscopy at Orsay, respectively. The level scheme of 198Tl was extended and a weak side band feeding into the yrast \pi h9/2\otimes i13/2 band was observed. The properties of these two bands are similar to these of the pairs of bands in the A=130 mass region initially interpreted as chiral doublets.

PACS numbers: 23.20.Lv, 27.80.+w, 29.30.Kv, 29.30.Dn



 
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