Further Discussion on the Spin-Determination of Superdeformed Bands in the A～190 Region

GUO Jian-You; XU Fu-Xin; RUAN Tu-Nan

Chinese Physics C> 2001, Vol. 25> Issue(6) : 514-520

Further Discussion on the Spin-Determination of Superdeformed Bands in the A～190 Region

Department of Physics, Anhui University, Hefei 230039, China2 Department of Modern Physics, University of Science and Technology of China, Hefei 230027, China

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Abstract：
The 27 superdeformed bands, whose spin determinations aren't in agreement with two-parameter, three-parameter and four-parameter I(I+1) expansions, are analyzed. The results show that the angular momenta of 18 superdeformed bands can be determined by comparison with the variation of the kinematic and dynamic moments of inertia with rotational frequency and their mutual relation. The angular momenta of superdeformed bands like ¹⁹²Hg(2), which have bands cross, can also determined by analyzing the spectra before bands cross and by comparison with the variation of the kinematic and dynamic moments of inertia with rotational frequency and their mutual relation.

References

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. Becker J A,Henry E A,Kuhnert A et al.Phys.Rev.,1992,C46:8892. Draper J E,Stephens F S,Deleplanque M A et al.Phys.Rev.,1990,C42:R17913. ZENG J Y,MENG J,WU C S et al.Phys.Rev.,1991,C44:R17454. WU C S,ZENG J Y,XING Z et al.Phys.Rev.,1992,C45:2615. XU Fu-Rong,ZHENG Chun-Kai.High Energy Phys.and Nucl.Phys.,1996,20:554(in Chinese)(许甫荣,郑春开.高能物理与核物理,1996,20:554)6. LIU Yu-Xin,SONG Jian-Gang,SUN Hong-Zhou et al.Phys.Rev.,1997,C56:13707. GUO Jian-You,XU Fu-Xin,RUAN Tu-Nan.High Energy Phys.and Nucl.Phys.,2000,24:829(in Chinese)(郭建友,徐辅新,阮图南.高能物理与核物理,2000,24:829)8. Bohr A,Mottelson B R.Nuclear Structure.Benjamin,New York,1975,II

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GUO Jian-You, XU Fu-Xin and RUAN Tu-Nan. Further Discussion on the Spin-Determination of Superdeformed Bands in the A～190 Region[J]. Chinese Physics C, 2001, 25(6): 514-520.

GUO Jian-You, XU Fu-Xin and RUAN Tu-Nan. Further Discussion on the Spin-Determination of Superdeformed Bands in the A～190 Region[J]. Chinese Physics C, 2001, 25(6): 514-520. shu

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Received: 2000-05-30
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

Further Discussion on the Spin-Determination of Superdeformed Bands in the A～190 Region

Corresponding author: GUO Jian-You,

Department of Physics, Anhui University, Hefei 230039, China2 Department of Modern Physics, University of Science and Technology of China, Hefei 230027, China

Received Date: 2000-05-30
Accepted Date: 1900-01-01
Available Online: 2001-06-05

Abstract: The 27 superdeformed bands, whose spin determinations aren't in agreement with two-parameter, three-parameter and four-parameter I(I+1) expansions, are analyzed. The results show that the angular momenta of 18 superdeformed bands can be determined by comparison with the variation of the kinematic and dynamic moments of inertia with rotational frequency and their mutual relation. The angular momenta of superdeformed bands like ¹⁹²Hg(2), which have bands cross, can also determined by analyzing the spectra before bands cross and by comparison with the variation of the kinematic and dynamic moments of inertia with rotational frequency and their mutual relation.