Analysis by Synthesis of the Spin Assignment for the Superdeformed Single Bands in A≈190 Odd Nuclei

DI Yao-Min

Chinese Physics C> 2003, Vol. 27> Issue(6) : 503-506

Analysis by Synthesis of the Spin Assignment for the Superdeformed Single Bands in A≈190 Odd Nuclei

DI Yao-Min ^,

Department of Physics, Xuzhou Normal University, Xuzhou 221009, China

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Abstract：
The spin assignments for the superdeformed single bands in A≈190 odd nuclei are discussed by use of the method of analysis by synthesis. In this work, the I(I+1) expression is used to fit the experimental energies of γ-transition. In contrast to other procedure, the convergence process of the series expansions is put stress upon whereas how many terms to be taken exactly in the expression does not emphasized. Moreover as well as the method of fitting the physical quantity, the moment of inertia of band heads is also calculated and the method of that systematics is used for the spin assignments. In practice the systematics of the moment of inertia of band heads is more efficient than the method of fitting the physical quantity in the spin assignment. As for a few bands which spin assignment is difficult the deviation from the typical rotational bands must be considered. Finally the results of the spin assignment and the comparison with other literatures are given.

References

[1]

. DI Yao-Min.High Energy Phys.and Nucl.Phys.,2002,26:507—515(in Chinese)(狄尧民.高能物理与核物理,2002,26:507—515)2. DI Yao-Min.High Energy Phys.and Nucl.Phys.,2003,27:227—232(in Chinese)(狄尧民.高能物理与核物理,2003,27:227—232)3. WU Chong-Shi.High Energy Phys.and Nucl.Phys.,1997,21:621—626(in Chinese)(吴崇试.高能物理与核物理,1997,21:621—626)4. HAN X L,WU C L.At.Data Nucl.Data Tables,1999,73:43—1515. WU C S,ZENG J Y,XING Z et al.Phys.Rev.,1992,C45:261—2746. WU Chong-Shi,LI Zhong-Hua.High Energy Phys.and Nucl.Phys.,1999,23:797—802(in Chinese)(吴崇试,李忠华.高能物理与核物理,1999,23:797—802)7. LIU Shu-Xin,ZENG Jin-Yan.High Energy Phys.and Nucl.Phys.,1999,23:701—708(in Chinese)(刘树新,曾谨言.高能物理与核物理,1999,23:701—708)8. GUO Jian-You,XU Fu-Xin,RUAN Tu-Nan.High Energy Phys.and Nucl.Phys.,2000,24:829—838(in Chinese)(郭建友,徐辅新,阮图南.高能物理与核物理,2000,24:829—838)

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DI Yao-Min. Analysis by Synthesis of the Spin Assignment for the Superdeformed Single Bands in A≈190 Odd Nuclei[J]. Chinese Physics C, 2003, 27(6): 503-506.

DI Yao-Min. Analysis by Synthesis of the Spin Assignment for the Superdeformed Single Bands in A≈190 Odd Nuclei[J]. Chinese Physics C, 2003, 27(6): 503-506. shu

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Received: 2002-08-08
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

Analysis by Synthesis of the Spin Assignment for the Superdeformed Single Bands in A≈190 Odd Nuclei

DI Yao-Min ^,

Corresponding author: DI Yao-Min,

Department of Physics, Xuzhou Normal University, Xuzhou 221009, China

Received Date: 2002-08-08
Accepted Date: 1900-01-01
Available Online: 2003-06-05

Abstract: The spin assignments for the superdeformed single bands in A≈190 odd nuclei are discussed by use of the method of analysis by synthesis. In this work, the I(I+1) expression is used to fit the experimental energies of γ-transition. In contrast to other procedure, the convergence process of the series expansions is put stress upon whereas how many terms to be taken exactly in the expression does not emphasized. Moreover as well as the method of fitting the physical quantity, the moment of inertia of band heads is also calculated and the method of that systematics is used for the spin assignments. In practice the systematics of the moment of inertia of band heads is more efficient than the method of fitting the physical quantity in the spin assignment. As for a few bands which spin assignment is difficult the deviation from the typical rotational bands must be considered. Finally the results of the spin assignment and the comparison with other literatures are given.