Oblate Superdeformed High-K States in Superheavy Nuclei |
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| Authors: | LIU Hong-Liang |
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| Institution: | Department of Applied Physics, School of Science, Xi'an Jiaotong University, Xi'an 710049, China |
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| Abstract: | Configuration-constrained calculations of potential-energy surfaces for 292122 show the occurrence of multi-quasiparticle high-K isomeric state at oblate superdeformation. Such state could play a unique role in superheavy nuclei, with possible long life time from enhanced difficulty in fission due to additional barrier at oblate deformation, retardation in α decay due to unpaired nucleons, and hindrance in γ-ray transition due to K forbiddenness. |
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| Keywords: | oblate deformation superdeformation K isomer superheavy nucleus |
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