Influence of 1h<SUB>11/2</SUB> Orbit on the Shapes of Even Even Nuclei Around A～100 Region

XU Yan-Bing

Chinese Physics C> 2004, Vol. 28> Issue(6) : 601-606

Influence of 1h_11/2 Orbit on the Shapes of Even Even Nuclei Around A～100 Region

XU Yan-Bing ^,

Institute of Physics Science and Technology,Sichuan University,Chengdu 610064,China

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Using modified surface delta interaction, the deformed Hartree-Fock calculations for twenty two nuclei such as ^102—114Ru, ^102—116Pd,^104—116Cd etc. are performed in the gds and gdsh configuration space, respectively. Prolate and oblate configurations are obtained. It is shown that there exist shape transitions for the nuclei with the mass number from 102 to 116, the resultant single-particle energy spectrum is changed not only with the mass number but also with the configuration, and the results, by considering the 1h_11/2 orbit, are quite different from those obtained in the gds configuration space. Moreover, the number of protons in the nucleus and filling up the 1h_11/2 orbit, especially with neutrons, play important roles in the single-particle energy spectrum and the shape transition.

References

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XU Yan-Bing. Influence of 1h_11/2 Orbit on the Shapes of Even Even Nuclei Around A～100 Region[J]. Chinese Physics C, 2004, 28(6): 601-606.

XU Yan-Bing. Influence of 1h_11/2 Orbit on the Shapes of Even Even Nuclei Around A～100 Region[J]. Chinese Physics C, 2004, 28(6): 601-606. shu

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Received: 2003-10-10
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

Influence of 1h_11/2 Orbit on the Shapes of Even Even Nuclei Around A～100 Region

XU Yan-Bing ^,

Corresponding author: XU Yan-Bing,

Institute of Physics Science and Technology,Sichuan University,Chengdu 610064,China

Received Date: 2003-10-10
Accepted Date: 1900-01-01
Available Online: 2004-06-05

Abstract: Using modified surface delta interaction, the deformed Hartree-Fock calculations for twenty two nuclei such as ^102—114Ru, ^102—116Pd,^104—116Cd etc. are performed in the gds and gdsh configuration space, respectively. Prolate and oblate configurations are obtained. It is shown that there exist shape transitions for the nuclei with the mass number from 102 to 116, the resultant single-particle energy spectrum is changed not only with the mass number but also with the configuration, and the results, by considering the 1h_11/2 orbit, are quite different from those obtained in the gds configuration space. Moreover, the number of protons in the nucleus and filling up the 1h_11/2 orbit, especially with neutrons, play important roles in the single-particle energy spectrum and the shape transition.