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Chinese Physics C> 2005, Vol. 29> Issue(3) : 258-262 

Theoretical Research on Traxial Superdeformed Band and High Spin State Nuclei in 168Lu

  •  College of Science,Huzhou University,Huzhou 313000,China2 College of Science and Engineering,Inner Mongolia University for Nationalities,Tongliao 028043,China3 Institude of Thoeretical Physics,Chinese Academy of Sciences,Beijing 100080 China4 China Institute of Atomic Energy Beijing,102413 China

  • The three dimensional Total Routhian Surface calculations are carried out to analyze the four rotational bands in 168Lu observed recently. One of these four bands is identified as tri-axial super-deformed band, which is consistent with the experimental assignment. The values of its deformation parameters are derived respectively from the analysis. The quasi-particle energy variation with the rotational frequency is explained reasonably.The reason, why the signature partner of the fourth band has not been found experimentally, is also given.
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    [1] . Schnack-Petersen H et al. Nucl. Phys. , 1995, A594: 175 -2022. WU Xiao-Guang, YANG Chun-Xiang et al. Chin. Phys. Lett. , 1997,14: 173. YANG C X et al . Phys. J. , 1998, A1: 2374. Tormonen S, Odeg rd S W et al. Phys. Lett. , 1999, B454: 8-145. Bringel P et al. Eur. Phys. J. , 2003, A16: 1556. Neuber A et al. Eur. Phys. J. , 2002, A15: 4397. Amro H, Varmette P G et al. Phys. Lett . , 2001, B506: 39 -448. Kondev F G et al. Phys. Lett. , 2002, B528: 221 -2279. Djongolov M, Hannachi D J et al. Phys. Lett. , 2003, B560: 24 -3010. Tord Bengtsson and Ingemar Ragnarsson Nucl. Phys. , 1985, A436: 14 -8211. SHEN Cai-Wan. The Paper of Doctor Degree. China Institute of Atomic Energy, 1998(in Chinese)(沈彩万,博十学位论文.中国原子能科学研究院,1998)12. Nillson S G et al. Nucl. Phys. , 1969, A131: 1 -6613. Strut insky V M. Nucl . Phys. , 1967, A95: 420 -442

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YU Shao-Ying, TU Ya, CHEN Yong-Shou and SHEN Cai-Wan. Theoretical Research on Traxial Superdeformed Band and High Spin State Nuclei in 168Lu[J]. Chinese Physics C, 2005, 29(3): 258-262.
YU Shao-Ying, TU Ya, CHEN Yong-Shou and SHEN Cai-Wan. Theoretical Research on Traxial Superdeformed Band and High Spin State Nuclei in 168Lu[J]. Chinese Physics C, 2005, 29(3): 258-262. shu
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Received: 2004-06-24
Revised: 1900-01-01
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Theoretical Research on Traxial Superdeformed Band and High Spin State Nuclei in 168Lu

    Corresponding author: YU Shao-Ying,
  • College of Science,Huzhou University,Huzhou 313000,China2 College of Science and Engineering,Inner Mongolia University for Nationalities,Tongliao 028043,China3 Institude of Thoeretical Physics,Chinese Academy of Sciences,Beijing 100080 China4 China Institute of Atomic Energy Beijing,102413 China
  • Received Date: 2004-06-24
  • Accepted Date: 1900-01-01
  • Available Online: 2005-03-05

Abstract: The three dimensional Total Routhian Surface calculations are carried out to analyze the four rotational bands in 168Lu observed recently. One of these four bands is identified as tri-axial super-deformed band, which is consistent with the experimental assignment. The values of its deformation parameters are derived respectively from the analysis. The quasi-particle energy variation with the rotational frequency is explained reasonably.The reason, why the signature partner of the fourth band has not been found experimentally, is also given.

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