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Chinese Physics C> 1997, Vol. 21> Issue(2) : 110-115 

Experimental Observation of High Spin States in 146Sm Nucleus

  •  Institute of Mordern Physics,The Chinese Academy of Sciences,Lanzhou 7300002 Riken,Wako-shi,Saitama 351-01,Japan3 Department of Physics,Kyushu University,Hakozaki,Fukuoka 812,Japan4 Japan Atomic Energy Research Institute,Tokai,Ibaragi 319-11,Japan5 National Institute of Radiological Sciences,Inage,Chiba 263,Japan6 Faculty of Education,Chiba University,Chiba 263 Japan7 Faculty of Natural Sciences, Chiba Institute of Technology,Narashino,Chiba 275,Japan8 The graduate School of Nagatsuda,Tokyo Institute of Technology,Yokohama,Kanagawa 227,Japan

  • High spin states of 146Sm have been experimentally studied by using 13C(95MeV) beam bombarding natural Ba target.Seventeen new γ-rays and eleven new levels were found and assigned to the level scheme of 146Sm which extends up to 10.2MeV excitation energy.Level structure still shows the characteristics of particle configurations.No long-lived high spin isomer was found up to such high excitation region.
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    [1] P. Kleinheinz et al., Z. Phys., A284 (1978) 351[2] A. Bohr, B. R. Mottelson, Nuclear Structure (Benjamin, New York, 19751, Vo1.2.[3] J. Pederson et al., Phys. Rev Lett., V39(1977) 990.[4] 张玉虎等, 高能物理与核物理, 20 (1996) 385.[5] A. Odahara et al., Z. Phys., A350 (1994) 185.[6] E. Idequchi et al, Bull. Phys. Soc Jpn., (1993) 108.[7] C. H. King , et al.,Phys. Rev., C18(1978) 2127.[8] J. Kownacki et al., Nucl. Phys., A337(1980) 464.[9] 0. Bakender et al., Nucl. Phys., A389(1982) 93.[10] R. Broda et al, Z. Phys., A305 (1982) 287.[11] M. Piiparinen et al., Phys. Lett., B194 (1987) 468.

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Zhang Yuhu. Experimental Observation of High Spin States in 146Sm Nucleus[J]. Chinese Physics C, 1997, 21(2): 110-115.
Zhang Yuhu. Experimental Observation of High Spin States in 146Sm Nucleus[J]. Chinese Physics C, 1997, 21(2): 110-115. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Experimental Observation of High Spin States in 146Sm Nucleus

    Corresponding author: Zhang Yuhu,
  • Institute of Mordern Physics,The Chinese Academy of Sciences,Lanzhou 7300002 Riken,Wako-shi,Saitama 351-01,Japan3 Department of Physics,Kyushu University,Hakozaki,Fukuoka 812,Japan4 Japan Atomic Energy Research Institute,Tokai,Ibaragi 319-11,Japan5 National Institute of Radiological Sciences,Inage,Chiba 263,Japan6 Faculty of Education,Chiba University,Chiba 263 Japan7 Faculty of Natural Sciences, Chiba Institute of Technology,Narashino,Chiba 275,Japan8 The graduate School of Nagatsuda,Tokyo Institute of Technology,Yokohama,Kanagawa 227,Japan
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1997-02-05

Abstract: High spin states of 146Sm have been experimentally studied by using 13C(95MeV) beam bombarding natural Ba target.Seventeen new γ-rays and eleven new levels were found and assigned to the level scheme of 146Sm which extends up to 10.2MeV excitation energy.Level structure still shows the characteristics of particle configurations.No long-lived high spin isomer was found up to such high excitation region.

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