Chin. Phys. Lett.  2005, Vol. 22 Issue (11): 2788-2791    DOI:
Original Articles |
Observation of High-j Two-Quasiparticle Bands in Odd--Odd
ZHANG Yu-Hu1;GUO Song1,2;ZHOU Xiao-Hong1;MA Long1;Oshima M.3;Toh Y.3;Koizumi M.3;Osa A.3;Kimura A.3;Hatsukawa Y.3;Sugawara M.4;Kusakari H.5
1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 2Graduate School of Chinese Academy of Sciences, Bejing 100039 3Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki 319-1195, Japan 4Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan 5Chiba University, Inage-ku, Chiba 263-8512, Japan
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ZHANG Yu-Hu, GUO Song, ZHOU Xiao-Hong et al  2005 Chin. Phys. Lett. 22 2788-2791
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Abstract High spin states in 174Re have been investigated via the 152Sm (27Al, 5nγ)174Re reaction. Gamma-ray excitation functions, x-γ and γ-γ coincidences have been measured. Two rotational bands built on the π h9/2 otimes vi13/2 and π h11/2 otimes vi13/2 configurations have been identified and extended up to high-spin states. The relative spin and parity of the band levels have been unambiguously fixed due to observations of several inter-band transitions. Both the bands show the low-spin signature inversion, which is consistent with systematic expectations for the high-j two-quasiparticle bands in the A=170 mass region.
Keywords: 21.10.Re      23.20.-g      23.20.Lv      27.70.+q     
Published: 01 November 2005
PACS:  21.10.Re (Collective levels)  
  23.20.-g (Electromagnetic transitions)  
  23.20.Lv (γ-transitions and level energies)  
  27.70.+q (150 ≤ A ≤ 189)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I11/02788
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ZHANG Yu-Hu
GUO Song
ZHOU Xiao-Hong
MA Long
Oshima M.
Toh Y.
Koizumi M.
Osa A.
Kimura A.
Hatsukawa Y.
Sugawara M.
Kusakari H.
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