Abstract
High-spin states of 136La have been investigated with the reaction 130Te( 11B, 5n) at a beam energy of 60 MeV. The level scheme with three collective bands has been updated with spin up to 20 ℏ. The observed πh 11/2 ⊗ νh 11/2 band shows γ-instability with increasing spin according to the TRS calculations. The band crossing and the signature splitting and inversion have been discussed. Other two collective bands based on 12-and 16+ levels were proposed as oblate deformation with γ ∼ -60°. They most probably originate from four- and six-quasiparticle configurations, that is, πh 11/2 ⊗ νg 7/2 h 11/2 2 and πg 7/2 ⊗ νg 7/2 2 d 5/2 h 11/2 2 respectively.
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