Abstract
The phenomenon of signature inversion in positive parity yrast states of 123,125I nuclei has been studied using the Particle Rotor Model (PRM) calculations. The experimentally observed signature inversion is well reproduced from the PRM calculations. The change in the value of a triaxial parameter [Formula: see text] was observed after the inversion. The PRM calculations were also used to describe the reduced transition probabilities. The derived change in the value of “[Formula: see text]” (in Lund convention) after inversion is interpreted as the change in nuclear shape from near triaxial to tending towards noncollective oblate.
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