Reflection Asymmetric Shell Model and Its Description of the Octupole Deformed Bands in Ra Isotopes

GAO Zao-Chun; CHEN Yong-Shou

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2000, Vol. 24> Issue(S1) : 54-58

Reflection Asymmetric Shell Model and Its Description of the Octupole Deformed Bands in Ra Isotopes

GAO Zao-Chun ^, ,
CHEN Yong-Shou

China Institute of Atomic Energy,Beijing 102413,China2 Institute of Theoretical Physics,The Chinese Academy of Sciences,Beijing 100080,China3 Department of Technical Physics,Peking University,Beijing 100871,China

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Abstract：
The framework of the Reflection Asymmetric Shell Model (RASM) used to describe the high-spin states of octupole-deformed nuclei has been formulated by the variational procedure.Some basic features of the Yrast octupole bands can been explained by this model.We calculated the even-even^222—228Ra isotopes,the agreement between the theory and the experimental data is good.

References

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Bohr A. Mar. Fys. Medd. Dan. Vid. Selsk., 1952, 26:142 Bohr A, Motrelson B R. Mat. Fys. Medd. Dan. Vid. Selsk., 1953, 27: 163 Asam F, Stephens F S, Perlman I. Phys.Rev., 1953, 92: 14954 Stephens F S, Asam F, Perlman I. Phys. Rev., 1954, 96: 1568; 1955,100: 15435 Butler P A, Nazarewicz W. Rev. Mod. Phys., 1996,68:3486 Inglis D R. Phys. Rev., 1954,96: 1059; Phys. Rev., 1956,103: 17867 Nazarewizc, W:Tabor S L. Phys. Rev., 1992,C45: 22268 Elliott J P. Proc. Roy. Soc. . 1968, 245: 128;5579 Hara K, SUN Y. Int. J . Mod. Phys., 1995, E4 : 63710 Leander G A, Chen Y S. Phys. Rev., 1988,Q7:274411 GAO Zao-Chun. Reflection Asymmetric Shell Model. Ph. D. Thesis,China Institute of Atomic Energy, 2000,8(in Chinese)(高早春.反射不对称壳模型，中国原子能科学研究院博士学位论文，2000,8)12 Cock. J F C, Hawcroft D, Amzal N et al. Nucl. Phys., 1999, A645: 61

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GAO Zao-Chun and CHEN Yong-Shou. Reflection Asymmetric Shell Model and Its Description of the Octupole Deformed Bands in Ra Isotopes[J]. Chinese Physics C, 2000, 24(S1): 54-58.

GAO Zao-Chun and CHEN Yong-Shou. Reflection Asymmetric Shell Model and Its Description of the Octupole Deformed Bands in Ra Isotopes[J]. Chinese Physics C, 2000, 24(S1): 54-58. shu

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Received: 1900-01-01
Revised: 1900-01-01

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Reflection Asymmetric Shell Model and Its Description of the Octupole Deformed Bands in Ra Isotopes

GAO Zao-Chun ^,
CHEN Yong-Shou

Corresponding author: GAO Zao-Chun,

China Institute of Atomic Energy,Beijing 102413,China2 Institute of Theoretical Physics,The Chinese Academy of Sciences,Beijing 100080,China3 Department of Technical Physics,Peking University,Beijing 100871,China

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 2000-07-15

Abstract: The framework of the Reflection Asymmetric Shell Model (RASM) used to describe the high-spin states of octupole-deformed nuclei has been formulated by the variational procedure.Some basic features of the Yrast octupole bands can been explained by this model.We calculated the even-even^222—228Ra isotopes,the agreement between the theory and the experimental data is good.