Four-Quasiparticle High-K States in Neutron-Deficient Lead and Polonium Nuclei

SHI Yue (石跃); XU Furong (许甫荣)

doi:10.1088/1009-0630/14/6/21

Plasma Science and Technology > 2012 > 14(6): 528-530. > DOI: 10.1088/1009-0630/14/6/21

SHI Yue (石跃), XU Furong (许甫荣). Four-Quasiparticle High-K States in Neutron-Deficient Lead and Polonium Nuclei[J]. Plasma Science and Technology, 2012, 14(6): 528-530. DOI: 10.1088/1009-0630/14/6/21

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Four-Quasiparticle High-K States in Neutron-Deficient Lead and Polonium Nuclei

School of Physics, and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China Center for Theoretical Nuclear Physics, National Laboratory for Heavy Ion Physics, Lanzhou 730000, China

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Received Date: May 16, 2011

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Abstract

Abstract

Configuration-constrained potential energy surface calculations have been performed to investigate four-quasiparticle high-K configurations in neutron-deficient lead and polonium isotopes. A good agreement between the calculations and the experimental data has been found for the excitation energy of the observed K^π=19– state in ¹⁸⁸Pb. Several lowly excited high-K states are predicted, and the large oblate deformation and low energy indicate high-K isomerism in these nuclei.
- high-K states,
- single-particle energy,
- deformation

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