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arXiv · 1606.00570

Particle-number conserving analysis of the high-spin structure of $^{159}$Ho

Zhen-Hua Zhang
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Abstract

The high-spin rotational bands in odd-$Z$ nuclei $^{159}$Ho ($Z=67$) are investigated using the cranked shell model with the pairing correlations treated by a particle-number conserving method, in which the blocking effects are taken into account exactly. The experimental moments of inertia and alignments and their variations with the rotational frequency $\hbarω$ are reproduced very well by the calculations. The splitting between the signature partners of the yrast band $7/2^-[523]$ is discussed and the splitting of the excited band $7/2^+[404]$ above $\hbarω\sim 0.30$~MeV is predicted due to the level crossing with $1/2^+[411]$. The calculated $B(E2)$ transition probabilities are also suggested for future experiments.

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Zhen-Hua Zhang. 2016-06-02. Particle-number conserving analysis of the high-spin structure of $^{159}$Ho. https://doi.org/10.1016/j.nuclphysa.2016.02.075

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