Some progress in research on octupole deformation around Z=56, N=88 nuclei

  • Recent progress in research on octupole deformation around Z=56, N=88 neutron-rich nuclei by our cooperative groups of Tsinghua University, Vanderbilt University and Lawrence Berkeley National Laboratory has been introduced. The experiment was carried out by measuring the prompt γ-rays in spontaneous fission of 252Cf with the Gammasphere detector array. The new results of
    high spin states in 143La and 148Ce have been obtained and the octupole deformation bands are identified in both nuclei. The important structural characteristics have been discussed.
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  • [1] . Nazarewicz W et al. Phys. Rev. Lett., 1984, 52: 12722. Nazarewicz W, Olanders P. Nucl. Phys. A, 1985, 441: 4203. Leander G A et al. Phys. Lett. B, 1985, 152: 2844. ZHU S J. Trends in Nucl. Phys.-Chinese Edition, 1992,9(24): 1995. ZHU S J et al. Phys. Rev. C, 2000, 62: 0443106. Hamilton J H et al. Prog. Part. Nucl. Phys., 1995, 35: 6357. ZHU S J et al. J. Phys. G, 1997, 23: L778. LUO Y X et al. Phys. Rev. C, 2002, 66: 0143059. ZHU S J et al. Phys. Lett. B, 1995, 357: 27310. ZHU S J et al. Phys. Rev. C, 1999, 60: 051304(R)11. ZHU L Y et al. High Energy Phys. and Nucl. Phys.-ChineseEdition, 1997, 22: 88512. ZHU S J et al. Phys. Rev. C, 1999, 59: 1316 31613. Faller S H et al. Phys. Rev. C, 1988, 38: 30714. Pacer J C et al. Phys. Rev. C, 1978, 17: 71015. Schussler F et al. Z. Phys. A, 1979, 290: 35916. Gill R L et al. Phys. Rev. C, 1983, 27: 1732
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ZHU Sheng-Jiang, WANG Jian-Guo, CHEN Yong-Jing, CHE Xing-Lai, DING Huai-Bo, LI Ming-Liang, XU Qiang and GU Long. Some progress in research on octupole deformation around Z=56, N=88 nuclei[J]. Chinese Physics C, 2008, 32(S2): 127-130.
ZHU Sheng-Jiang, WANG Jian-Guo, CHEN Yong-Jing, CHE Xing-Lai, DING Huai-Bo, LI Ming-Liang, XU Qiang and GU Long. Some progress in research on octupole deformation around Z=56, N=88 nuclei[J]. Chinese Physics C, 2008, 32(S2): 127-130. shu
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Received: 2008-07-17
Revised: 1900-01-01
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Some progress in research on octupole deformation around Z=56, N=88 nuclei

    Corresponding author: ZHU Sheng-Jiang,

Abstract: Recent progress in research on octupole deformation around Z=56, N=88 neutron-rich nuclei by our cooperative groups of Tsinghua University, Vanderbilt University and Lawrence Berkeley National Laboratory has been introduced. The experiment was carried out by measuring the prompt γ-rays in spontaneous fission of 252Cf with the Gammasphere detector array. The new results of
high spin states in 143La and 148Ce have been obtained and the octupole deformation bands are identified in both nuclei. The important structural characteristics have been discussed.

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