Systematic Research on Shapes of Even Even Nuclei Around A～100 Regions With DHF Method

Xu Yanbing; Liu Yingtai; Liao Jizhi

Chinese Physics C> 1999, Vol. 23> Issue(6) : 561-566

Systematic Research on Shapes of Even Even Nuclei Around A～100 Regions With DHF Method

Department of Physics, Sichuan University, Chengdu 610064

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Abstract：
Using modified surface delta interaction, the deformed Hartree-Fock calculations for twenty tWo nuclei: ^102—114Ru, ^102—116Pd and ^104—116Cd are performed.Prolate and oblate configurations are obtained. The calculated results show that there exist form transitions and shape coexistence from mass number 102 to 116, and that the single-particle energy spectra are different not only for different mass number but also for different configurations of nuclei. At the same time, it is also found that the numbers of proton and the 3s_1/2 orbit begining to fill with neutrons play important roles in the shape transitions.

References

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Zhu S J, Lee I Y. High Energ. phys. and Nucl. Phys. (in Chinese), 1993, 17(4):353–361 (朱胜江, Lee I Y. 高能物理与核物理, 1993, 17(4):353–361) 2 Liao J Z. Nucl. Phys. (in Chinese), 1985, 7:338–343; 1987, 9:220–229; High Energ. phys. and Nucl. Phys. (in Chinese), 1989, 13(9).837–841 (廖继志. 原子核物理, 1985, 7: 338–343; 1987, 9: 220–2293; 高能物理与核物理, 1989, 13: 837–841) 3 Liu Yingtal, Liao Jizhi. Chinese J. Nucl. Phys., 1997, 19(4):239–243; Liu Y T, Liao J Z. Journal of Sichuan University (Natural Science Edition)(in Chinese),1997, 34(2):771–774 (刘英太, 廖继志. 四川大学学报(自然科学版), 1997, 34(2): 771–774)4 Zheng R R. Liao J Z. The Self–consistent Field Method of Nucleus Symmetry (in Chinese). Chengdu: Sichuan University Press, 1993. 51–93 (郑仁蓉, 廖继志. 核对称性的自洽场方法. 成都: 四川大学出版社, 1993. 51–93)5 Liao J Z. High Energ. phys. and Nucl. Phys. (in Chinese), 1989, 13(4):357–361 (廖继志. 高能物理与核物理,1989,13(4):357–361)6 Mang H J, Samadi B, Ring P. Z. Physik, 1976, A279:325–331 7 Rath A K, Praharaj C R Khadkjkar S D. Phys. Rev., 1993, C47.1990–20008 Aage Behr, Mottelson B R Nuclear Structure. New York: W. A. Benjamiry inc. 1969. V(I):145–147 9 Audi G, Wapstra A H. Nucl. Phys., 1993, A565(1):33–41

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Xu Yanbing, Liu Yingtai and Liao Jizhi. Systematic Research on Shapes of Even Even Nuclei Around A～100 Regions With DHF Method[J]. Chinese Physics C, 1999, 23(6): 561-566.

Xu Yanbing, Liu Yingtai and Liao Jizhi. Systematic Research on Shapes of Even Even Nuclei Around A～100 Regions With DHF Method[J]. Chinese Physics C, 1999, 23(6): 561-566. shu

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Received: 1998-04-20
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

Systematic Research on Shapes of Even Even Nuclei Around A～100 Regions With DHF Method

Corresponding author: Xu Yanbing,

Department of Physics, Sichuan University, Chengdu 610064

Received Date: 1998-04-20
Accepted Date: 1900-01-01
Available Online: 1999-06-05

Abstract: Using modified surface delta interaction, the deformed Hartree-Fock calculations for twenty tWo nuclei: ^102—114Ru, ^102—116Pd and ^104—116Cd are performed.Prolate and oblate configurations are obtained. The calculated results show that there exist form transitions and shape coexistence from mass number 102 to 116, and that the single-particle energy spectra are different not only for different mass number but also for different configurations of nuclei. At the same time, it is also found that the numbers of proton and the 3s_1/2 orbit begining to fill with neutrons play important roles in the shape transitions.