New Band Structures and Electromagnetic Properties in 158Tm

  • High spin states of odd-odd nucleus 158Tm have been studied by using 144Nd(19F,5n) reaction at beam energies of 108 and 112MeV. Two new bands are identified. And their possible configurations and spin/parity assignments are discussed. Furthermore, experimental B(M1)/B(E2) values are obtained for the πh11/2⊙νi13/2 band and compared with calculations based on geometric model.
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  • [1] . LIU Yun-Zuo, MA Ying-Jun et al. Phys. Rev., 1995, C52:25142. Riley M A et al. Phys. Rev., 1989, C39: 2913. Andre S et al. Z. Phys., 1989, A332: 2334. ZHOU Wen-Ping, MA Ying-Jun et al. HEP NP, 2006,30: (in Chinese)(周文平, 马英君, 赵广义等. 高能物理与核物理, 2006, 30: )5. Riley M A et al. Phys. Rev., 1995, C51: 12346. Gascon J et al. Nucl. Phys., 1987, A467: 539; David Radford et al.(unpublished)7. Gale S J et al. J. Phys., 1995, G21: 1938. Byrski T et al. Nucl. Phys., 1987, A474: 1939. SUN H B, MA Y J, LIU Y Z et al. HEP NP, 1995, 19:929-935(in Chinese)(孙慧斌, 马英君, 刘运祚等. 高能物理与核物理, 1995, 19:929-935)10. Dnau F. Nucl. Phys., 1987, A471: 469-488
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ZHOU Wen-Ping, ZHAO Yan-Xin, ZHAO Guang-Yi, MA Ying-Jun, LU Jing-Bin, WANG Shou-Yu, SUN Liang, YANG Dong, LI Xian-Feng, MA Chun-Hui, LIU Yun-Zuo, ZHU Li-Hua, WU Xiao-Gu, New Band Structures and Electromagnetic Properties in 158Tm[J]. Chinese Physics C, 2006, 30(S2): 151-153.
ZHOU Wen-Ping, ZHAO Yan-Xin, ZHAO Guang-Yi, MA Ying-Jun, LU Jing-Bin, WANG Shou-Yu, SUN Liang, YANG Dong, LI Xian-Feng, MA Chun-Hui, LIU Yun-Zuo, ZHU Li-Hua, WU Xiao-Gu, New Band Structures and Electromagnetic Properties in 158Tm[J]. Chinese Physics C, 2006, 30(S2): 151-153. shu
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Received: 2006-10-16
Revised: 1900-01-01
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New Band Structures and Electromagnetic Properties in 158Tm

    Corresponding author: ZHOU Wen-Ping,
  • Department of Physics, Jilin University, Changchun 130021, China2 China Institute of Atomic Energy, Beijing 102413, China3 Department of Physics, North-East Normal University, Changchun 130024, China

Abstract: High spin states of odd-odd nucleus 158Tm have been studied by using 144Nd(19F,5n) reaction at beam energies of 108 and 112MeV. Two new bands are identified. And their possible configurations and spin/parity assignments are discussed. Furthermore, experimental B(M1)/B(E2) values are obtained for the πh11/2⊙νi13/2 band and compared with calculations based on geometric model.

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