Lifetime of Isomer in High Charge States

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WU He-Yu, WANG Jun-Xiang and JIN Gen-Ming. Lifetime of Isomer in High Charge States[J]. Chinese Physics C, 2003, 27(7): 603-609.
WU He-Yu, WANG Jun-Xiang and JIN Gen-Ming. Lifetime of Isomer in High Charge States[J]. Chinese Physics C, 2003, 27(7): 603-609. shu
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Received: 2002-10-14
Revised: 1900-01-01
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Lifetime of Isomer in High Charge States

    Corresponding author: WU He-Yu,
  • Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Abstract: Nuclear lifetime shift of charged atom, due to lack of internal conversion (isomer) or electron capture transition (β decay), is analyzed. Theoretical predict is given, that electron density of inner shell at nuclear surface decreases and energy level also decreases with increasing of charge state, nuclear lifetime increases slightly with previous reason but increases with a jump when energy level drops to a critical value. The shifts of halflife are compared for internal conversion with different nuclear decay energy and different type of transitions. A common used computer code of this calculation created by ourselves, and the calculation results are compared with experiment one.

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