Superheavy Nuclei and Nuclear HaloNo Access

GROUND-STATE AND ALPHA-DECAY PROPERTIES OF EVEN Hs ISOTOPES

L. MA

Institute of Modern Physics, the Chinese Academy of Science, Lanzhou 730000, China

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H. F. ZHANG

The School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China

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X. H. ZHOU

Institute of Modern Physics, the Chinese Academy of Science, Lanzhou 730000, China

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Z. G. GAN

Institute of Modern Physics, the Chinese Academy of Science, Lanzhou 730000, China

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J. Q. LI

Institute of Modern Physics, the Chinese Academy of Science, Lanzhou 730000, China

Research Center of Nuclear Theory of Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China

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, and

W. SCHEID

Institute fuer Theoretische Physik, Justus-Liebig-Universitaet, 35392 Giessen, Germany

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https://doi.org/10.1142/S0218301308011781Cited by:0 (Source: Crossref)

Abstract

The ground state properties of Hs nuclei were studied to give an overview to the isotope chain. It is seen that more stable isotopes are located on the proton abundant side of the chain. The last stable nucleus to the proton drip line is ²⁵⁶Hs. The most stable unknown Hs nucleus may be ²⁶⁸Hs. The proton Fermi surfaces of Hs nuclei are close to zero, the conventional BCS treatment with constant pairing interaction can excite protons to the continuum, and causes the failure for pairing correction. The density dependent delta interaction results in more reasonable single-particle energy level distributions and nucleon occupation. Therefore it has improved the BCS treatment, and is available to describe the properties of nuclei in the superheavy region.

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GROUND-STATE AND ALPHA-DECAY PROPERTIES OF EVEN Hs ISOTOPES

Abstract

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