Chinese Physics C > 2002, Vol. 26 > Issue(3): 252-258

A New Formula of Nuclear Charge Radii

Department of Technical Physics, Peking University, Beijing 100871, China2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China3 Institute of Theoretical Physics, The Chinese Academy of Sciences, Beijing 100080,China4 Key Laboratory of Heavy Ion Physics, Ministry of Education, Beijing 100871, China5 Department of Physics, Peking University, Beijing 100871, China

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Abstract：
Based on the systematic investigation of the data available, a Z 1/3 law for nuclear charge radii is shown to be superior than the generally accepted A ^1/3law. The Z ^1/3law describes data very well for the nuclei close to the β-stability line, while an approximate linear dependence of isospin must be added when it is applied to the nuclei far from the β-stability line. A new isospin dependence Z ^1/3formula thus obtained is proved to be more effective to describe the charge radii data. The collective behavior of the light and heavy nuclei has been discussed.

References

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ZHANG Shuang-Quan, MENG Jie, ZHOU Shan-Gui and ZENG Jin-Yan. A New Formula of Nuclear Charge Radii[J]. Chinese Physics C, 2002, 26(3): 252-258.

ZHANG Shuang-Quan, MENG Jie, ZHOU Shan-Gui and ZENG Jin-Yan. A New Formula of Nuclear Charge Radii[J]. Chinese Physics C, 2002, 26(3): 252-258. shu

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Received: 2001-04-19
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

A New Formula of Nuclear Charge Radii

Corresponding author:ZHANG Shuang-Quan,

Department of Technical Physics, Peking University, Beijing 100871, China2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China3 Institute of Theoretical Physics, The Chinese Academy of Sciences, Beijing 100080,China4 Key Laboratory of Heavy Ion Physics, Ministry of Education, Beijing 100871, China5 Department of Physics, Peking University, Beijing 100871, China

Received Date:2001-04-19
Accepted Date:1900-01-01
Available Online:2002-03-05

Abstract:Based on the systematic investigation of the data available, a Z 1/3 law for nuclear charge radii is shown to be superior than the generally accepted A^1/3law. The Z^1/3law describes data very well for the nuclei close to the β-stability line, while an approximate linear dependence of isospin must be added when it is applied to the nuclei far from the β-stability line. A new isospin dependence Z^1/3formula thus obtained is proved to be more effective to describe the charge radii data. The collective behavior of the light and heavy nuclei has been discussed.