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2002•Chinese Physics LettersRequires access

Projected Shell Model Analysis of Multi-Quasiparticle High- K Isomers in 174 Hf

Xian-Rong Zhou, Yang Ren Sun, Long Gui-Lu, En-Guang Zhao

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Abstract

Multi-quasiparticle high- K states in 174 Hf are studied in the framework of the projected shell model. The calculation reproduces well the observed ground-state band as well as most of the two- and four-quasiparticle rotational bands. Some as yet unobserved high- K isomeric states in 174 Hf are predicted. Possible reasons for the existing discrepancies between calculation and experiment are discussed. It is suggested that the projected shell model may be a useful method for studying multi-quasiparticle high- K isomers and the K -mixing phenomenon in heavy deformed nuclei.

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What this paper is about

Multi-quasiparticle high- K states in 174 Hf are studied in the framework of the projected shell model. The calculation reproduces well the observed ground-state band as well as most of the two- and four-quasiparticle rotational bands. Some as yet unobserved high- K isomeric states in 174 Hf are predicted. Possible reasons for the existing discrepancies between calculation and experiment are discussed. It is suggested that the projected shell model may be a useful method for studying multi-quasiparticle high- K isomers and the K -mixing phenomenon in heavy deformed nuclei.

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Available abstract

Multi-quasiparticle high- K states in 174 Hf are studied in the framework of the projected shell model. The calculation reproduces well the observed ground-state band as well as most of the two- and four-quasiparticle rotational bands. Some as yet unobserved high- K isomeric states in 174 Hf are predicted. Possible reasons for the existing discrepancies between calculation and experiment are discussed. It is suggested that the projected shell model may be a useful method for studying multi-quasiparticle high- K isomers and the K -mixing phenomenon in heavy deformed nuclei.

Key concepts: Quasiparticle, SHELL model, Physics, Shell (structure), Mixing (physics), Atomic physics, Ground state, Condensed matter physics

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