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Chinese Physics C> 1988, Vol. 12> Issue(1) : 130-133 

ON πh9/2 ALIGNMENT IN Pt EVEN ISOTOPES

  •  Institute of Modern Physics,Academia Sinica

  • πh9/2 alignment in Pt even isotopes has calculated and discussed systematically.It is found that Δhωc≡hωc(πh9/2)－hωc(νi13/2) approches the minimum,about 75keV.for 78184Pt106 by using modified Nilsson's parameters κμ.This result is in agreement with the experimental evidence that the big up-bend observed in the yeast band of 184Pt is caused by the lose alignment of πh9/2 and νi13/2.While the standard Nilsson's κμ can not give out such a result.The problem of the orderof πh9/2 and νi13/2 alignments needs further investigation.The pretical prediction about the πh9/2 alignment frequency for neighboring Pt even isotopes should be checked by new experiments.
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    [1] A. J. Larabee, M. P. Carpenter, L. L. Riedinger, L. H. Courtney, J. C. Waddington, V. P. Janzen, W.Nazarewicz, Jing-ye Zhang (张敬业), R . Bengtsson, G. A. Leander, Phyr. Lett., B169(1986), 21.A. Neskakis, R. M. Lieder, G. Sletten, J. D. Garrett Proc. 1982 INS Inter Symp. on Dynamics of Nuclear Collective Motion, Mt. Fuji, 1982.[2] A. Neskakis, R. M. Lieder, G. Sletten, J. D. Garrets Proc. 1982 INS Inter Symp.on Dynamics of Nuclear Colleetive Motion, Mt. Fuji, 1982.[3] 张锡珍, 张敬业, 原子核物理, 2(1980), 297,[4] Jing-ye Zhang(张敬业), A. J. Larabee, L. L. Riedinger, J. Phys. G: Nucl. Phys. 13(1987), L75.[5] 张敬业, 钟纪泉, 焦敦庞, 葛元秀, 马希亮, 高能物理与核物理, 11(1987), 128,[6] P. Moller, R. Nix; Private Communication[7] 张敬业, 原子核物理, 3(1981), 193.[8] 张敬业, Proc. Inter. Symp. On Physics at Tandem, Beijing 26-30 May 1986.L. Riedinger, Proc. Inter. Symp. On Physics of Tandem, Beijing 26-30 May 1986.

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ZHANG Jing-Ye and Zhong Ji-Quan. ON πh9/2 ALIGNMENT IN Pt EVEN ISOTOPES[J]. Chinese Physics C, 1988, 12(1): 130-133.
ZHANG Jing-Ye and Zhong Ji-Quan. ON πh9/2 ALIGNMENT IN Pt EVEN ISOTOPES[J]. Chinese Physics C, 1988, 12(1): 130-133. shu
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Received: 1900-01-01
Revised: 1900-01-01
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ON πh9/2 ALIGNMENT IN Pt EVEN ISOTOPES

    Corresponding author: ZHANG Jing-Ye,
  • Institute of Modern Physics,Academia Sinica
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1988-02-05

Abstract: πh9/2 alignment in Pt even isotopes has calculated and discussed systematically.It is found that Δhωc≡hωc(πh9/2)－hωc(νi13/2) approches the minimum,about 75keV.for 78184Pt106 by using modified Nilsson's parameters κμ.This result is in agreement with the experimental evidence that the big up-bend observed in the yeast band of 184Pt is caused by the lose alignment of πh9/2 and νi13/2.While the standard Nilsson's κμ can not give out such a result.The problem of the orderof πh9/2 and νi13/2 alignments needs further investigation.The pretical prediction about the πh9/2 alignment frequency for neighboring Pt even isotopes should be checked by new experiments.

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