Abstract
The band structures of the doubly odd 134La nucleus have been investigated using the 133Cs(α, 3n) 134La reaction at a beam energy of 40 MeV. Altogether six bands have been established, of which details of the yrast band were only known from earlier works. A negative parity oblate band has also been observed in this nucleus. The observed level properties of the members of the yrast band have been compared with theoretical calculations performed within the Particle Rotor Model (PRM) with axially symmetric core. The experimental branching ratios, B(M1)B(E2) values and mixing ratios of the transitions in the yrast band are well reproduced by PRM, assuming an axial oblate core. A cranked shell model calculation has been carried out for the proposed bands.
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