Wobbling excitations and tilted rotation in 163-Lu
Daniel Almehed, Rashid G. Nazmitdinov, Friedrich Doenau
Abstract
Using a microscopic self-consistent model, we analyse wobbling excitations built upon the rotational band in 163Lu, which is identified with a rotation of a triaxial, strongly deformed shape. We find that the presence of pairing correlations substantially affects the energy of the wobbling excitations. Our calculations predict an onset of a tilted rotation at a critical rotational frequency where the energy of the wobbling excitations approaches zero.
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