Nanosecond Stroboscopic Electron Spectroscopy for Observation of Nuclear Excitation by Electron Transition (NEET) in ^<197>Au

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概要

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• Electron transitions to inner atomic shells release their excess energies in the form of X-rays or Auger electrons. In addition to these two usual processes, a third mechanism called nuclear excitation by electron transition (NEET) can participate in the de-excitation process of atomic inner-shell ionization, if the NEET conditions, in which the nuclear and electronic transitions have almost equal transition energies and a common multipolarity, are satisfied. To observe NEET in ^<197>Au, which would emit 63 keV internal conversion electrons with a half-life of 1.9 ns as a consequence of the NEET process, a specially designed stroboscopic electron spectrometer system was developed. The system allows us to observe the time spectrum of conversion electrons with a time resolution of subnanoseconds.

• 社団法人応用物理学会の論文
• 1985-12-20

著者

• Ura Katsumi

  Electron Beam Laboratory Faculty Of Engineering Osaka University

• Fujioka Hiromu

  Electron Beam Laboratory Faculty Of Engineering Osaka University

• Ura Katsumi

  Electron Beam Laboratory Electronic Engeneering Faculty Of Engeneering Osaka University

関連論文

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• Nanosecond Stroboscopic Electron Spectroscopy for Observation of Nuclear Excitation by Electron Transition (NEET) in ^Au
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• A Ring-Core Type Flux-Gate Magnetometer Operating at 4.2 K

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