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Chinese Physics C> 2006, Vol. 30> Issue(S2) : 106-108 

Superdeformed Band Terminations in the A=40 Mass Region

  •  China Institute of Atomic Energy, Beijing 102413, China2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China

  • The superdeformed or highly deformed band terminations in 38K, 36Ar, 32,34S and 35Cl have been studied by the configuration dependent cranked Nilsson-Strutinsky approach. Some possible superdeformed band terminations were predicted, such as the π(d5/2)－2(f7/2)2⊙ν(d5/2)－2(f7/2)2([22,22]) configuration in 32S with deformation about ε2=0.61 and γ≈0° at spin I=0－10, especially the superdeformed band terminates at I=19 and about ε2=0.39 (with ε2=0.50 when I≤9) in 38K, and all of them are favorable for observation. The tendency of these bands in energy with spin increasing favors the band termination, so superdeformed bands terminating would be smooth. The calculated superdeformed band is in good agreement with observed one in 36Ar confirms that the calculated results are reliable.
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    [1] . Afanasjev A V, Fossan D B, Lane G J et al. Phys. Rep.,1999, 322: 1-1242. Svensson C E, Macchiavelli A, Juodagalvis A et al. Phys.Rev. Lett., 2000, 85: 2693-26963. Ideguchi E, Sarantites D G, Reviol W et al. Phys. Rev.Lett., 2001, 87: 2225014. DONG B G, GUO H C, SHI Y J. Commun. Theor.Phys.(Beijing,China), 2005, 43: 509-5145. Bengtsson T, Ragnarsson I. Nucl. Phys., 1985, A436:146. Headly D M, Sheline R K, Ragnarsson I. Phys. Rev., 1994,C49: 222

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DONG Bao-Guo and MA Hai-Liang. Superdeformed Band Terminations in the A=40 Mass Region[J]. Chinese Physics C, 2006, 30(S2): 106-108.
DONG Bao-Guo and MA Hai-Liang. Superdeformed Band Terminations in the A=40 Mass Region[J]. Chinese Physics C, 2006, 30(S2): 106-108. shu
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Received: 2006-10-16
Revised: 1900-01-01
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Superdeformed Band Terminations in the A=40 Mass Region

    Corresponding author: DONG Bao-Guo,
  • China Institute of Atomic Energy, Beijing 102413, China2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China
  • Received Date: 2006-10-16
  • Accepted Date: 1900-01-01
  • Available Online: 2006-01-03

Abstract: The superdeformed or highly deformed band terminations in 38K, 36Ar, 32,34S and 35Cl have been studied by the configuration dependent cranked Nilsson-Strutinsky approach. Some possible superdeformed band terminations were predicted, such as the π(d5/2)－2(f7/2)2⊙ν(d5/2)－2(f7/2)2([22,22]) configuration in 32S with deformation about ε2=0.61 and γ≈0° at spin I=0－10, especially the superdeformed band terminates at I=19 and about ε2=0.39 (with ε2=0.50 when I≤9) in 38K, and all of them are favorable for observation. The tendency of these bands in energy with spin increasing favors the band termination, so superdeformed bands terminating would be smooth. The calculated superdeformed band is in good agreement with observed one in 36Ar confirms that the calculated results are reliable.

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