Prolate and oblate rotational bands in 136Sm

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Published under licence by IOP Publishing Ltd
, , Citation E S Paul et al 1993 J. Phys. G: Nucl. Part. Phys. 19 861 DOI 10.1088/0954-3899/19/6/007

0954-3899/19/6/861

Abstract

Six rotational bands have been established in 136Sm following heavy-ion induced reactions carried out at the Nuclear Structure Facility, Daresbury. The yrast band has been observed up to Ipi =(24+) and undergoes three band-crossings. A band was observed built on the low-lying 2+ gamma-vibrational state, in addition to two negative parity sidebands built on two-quasiproton excitations. A dipole band showing the characteristics of collective oblate rotation was also established. The results are discussed in terms of total Routhian surface and cranked Woods-Saxon model calculations.

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10.1088/0954-3899/19/6/007