Odd-Even Difference of Moment of Inertia of NuclearSuperdeformed States in A～190 Region

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

Chinese Physics C> 2001, Vol. 25> Issue(8) : 754-758

Odd-Even Difference of Moment of Inertia of NuclearSuperdeformed States in 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：
By fitting the E2 transition spectra of superdeformed bands in A～190 region, the coefficients of Bohr-Mottelson's I(I+1) expansion are determined and moments of inertia of band head are calculated out. All results show that the moments of inertia of odd-A nuclei are systematically larger than those of the neighboring even-even nuclei, and the moments of inertia of odd-odd nuclei are systematically larger than those of the neighboring odd-A nuclei. The odd-even difference of moment of inertia of nuclear superdeformed states is obvious.
References

[1] . Bohr A ,Mottelson B R. Nuclear Structure,Vol.II.,Benjamin ,19752. ZENG J Y,CHENG T S.Nucl.Phys.,1983,A405:1
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GUO Jian-You, XU Fu-Xin and RUAN Tu-Nan. Odd-Even Difference of Moment of Inertia of NuclearSuperdeformed States in A～190 Region[J]. Chinese Physics C, 2001, 25(8): 754-758.

GUO Jian-You, XU Fu-Xin and RUAN Tu-Nan. Odd-Even Difference of Moment of Inertia of NuclearSuperdeformed States in A～190 Region[J]. Chinese Physics C, 2001, 25(8): 754-758. shu

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Received: 2000-08-21
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

Odd-Even Difference of Moment of Inertia of NuclearSuperdeformed States in 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: 2000-08-21
Accepted Date: 1900-01-01
Available Online: 2001-08-05

Abstract: By fitting the E2 transition spectra of superdeformed bands in A～190 region, the coefficients of Bohr-Mottelson's I(I+1) expansion are determined and moments of inertia of band head are calculated out. All results show that the moments of inertia of odd-A nuclei are systematically larger than those of the neighboring even-even nuclei, and the moments of inertia of odd-odd nuclei are systematically larger than those of the neighboring odd-A nuclei. The odd-even difference of moment of inertia of nuclear superdeformed states is obvious.