Eur. Phys. J. A (2021) 57: 274
https://doi.org/10.1140/epja/s10050-021-00583-9

Regular Article - Theoretical Physics

Quasiparticle structure of low-lying yrast energy levels and $\gamma$-bands in ${}^{164-174}$Hf nuclei

¹ Department of Physics and Astronomical Sciences, Central University of Jammu, 181143, Samba, J&K, India
² Higher Education Department, Government of Jammu and Kashmir, Jammu, J&K, India
³ Department of Physics, University of Jammu, 180006, Jammu, India
⁴ Department of Physics, University of Kashmir, 190006, Srinagar, India

^b suramsingh@gmail.com

Received: 2 May 2021
Accepted: 28 August 2021
Published online: 17 September 2021

Abstract

In the present work, we have employed the theoretical framework of Triaxial Projected Shell Model (TPSM) to investigate the presence of triaxiality in transitional nuclei of ${}^{164-174}$Hf. We have obtained the calculated yrast and $\gamma$-bands and compared with the corresponding experimental data. In addition to these, $\gamma \gamma$-bands are also predicted. In order to thoroughly understand the structure of yrast and $\gamma$-bands, we have kept our focus to study low energy states. The yrast energy ratios, staggering in $\gamma$-bands, the phenomenon of back-bending, the reduced electromagnetic transition probabilities and g-factors are calculated using TPSM.