Skyrme-Hartree-Fock Description of the Nuclear Structure in Ca Isotopes (Ⅰ)Binding Energy and Shell Effects,Radii and Density Distributions

Soojae Im; MENG Jie; ZHOU Shan-Gui; YANG Si-Chun; LONG Wen-Hui

Chinese Physics C> 2001, Vol. 25> Issue(4) : 322-328

Skyrme-Hartree-Fock Description of the Nuclear Structure in Ca Isotopes (Ⅰ)Binding Energy and Shell Effects,Radii and Density Distributions

Deartment of Technical Physice and Intsitute of Heavy Ion Physics,Peking Universiyt,Beijing 100871,ChinaCenter of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Accelerator,Lanzhou 730000,ChinaInstitute for Theoretical Physics,Chinese Academy of Science,Beijing 100080,China

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The ground state properties of Ca isotopes far from stability line were systematically studied using the Skyrme Hartree Fock model.The shell effects on the binding energy and two neutron separation energy are discussed.The isospin dependency of the unclear radii and nucleon density distributions and the shell effects on these properties are also studied.It is shown that the neutron magic number affests the width of nuclear surface and the nucleon density distributions beyond the nuclear surface.The change of proton rms radii R_rms with neutron number excess I=(N-Z)/A follows R_rms=3/5(1+αI+βI²)r_pZ^1/3.The effect of the centrifugal potential on the nuclear density in the outer trach of nuclear surface is clearly shown.

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Soojae Im, MENG Jie, ZHOU Shan-Gui, YANG Si-Chun and LONG Wen-Hui. Skyrme-Hartree-Fock Description of the Nuclear Structure in Ca Isotopes (Ⅰ)Binding Energy and Shell Effects,Radii and Density Distributions[J]. Chinese Physics C, 2001, 25(4): 322-328.

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Received: 2000-03-15
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Skyrme-Hartree-Fock Description of the Nuclear Structure in Ca Isotopes (Ⅰ)Binding Energy and Shell Effects,Radii and Density Distributions

Corresponding author: MENG Jie,

Deartment of Technical Physice and Intsitute of Heavy Ion Physics,Peking Universiyt,Beijing 100871,ChinaCenter of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Accelerator,Lanzhou 730000,ChinaInstitute for Theoretical Physics,Chinese Academy of Science,Beijing 100080,China

Received Date: 2000-03-15

Accepted Date: 1900-01-01

Available Online: 2001-04-05

Abstract: The ground state properties of Ca isotopes far from stability line were systematically studied using the Skyrme Hartree Fock model.The shell effects on the binding energy and two neutron separation energy are discussed.The isospin dependency of the unclear radii and nucleon density distributions and the shell effects on these properties are also studied.It is shown that the neutron magic number affests the width of nuclear surface and the nucleon density distributions beyond the nuclear surface.The change of proton rms radii R_rms with neutron number excess I=(N-Z)/A follows R_rms=3/5(1+αI+βI²)r_pZ^1/3.The effect of the centrifugal potential on the nuclear density in the outer trach of nuclear surface is clearly shown.

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Skyrme-Hartree-Fock Description of the Nuclear Structure in Ca Isotopes (Ⅰ)Binding Energy and Shell Effects,Radii and Density Distributions

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