Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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State-of-the-art progress of gaseous radiochemical method for detecting of ionizing radiation

  • Lebedev, S.G. (Institute for Nuclear Research RAS 60thOctober Anniversary) ;
  • Yants, V.E. (Institute for Nuclear Research RAS 60thOctober Anniversary)
  • Received : 2020.07.28
  • Accepted : 2021.01.27
  • Published : 2021.07.25
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Abstract

The article provides a review of the research results obtained during of more than 20 years concerning using the gaseous radiochemical method (GRCM) for detecting of ionizing radiation. This method based on threshold nuclear reactions with production of radioactive noble gas which does not interact with the materials of gaseous tract. The applications of GRCM in the diagnostics of neutrinos, neutrons, charged particles, thermonuclear plasma thermometry, and the study of the structure and dynamics of astrophysical objects, position-sensitive dosimetry of neutron targets with accelerator driving, spatial distribution of the fast neutron flux density in a nuclear reactor allowing the transformation of longitudinal coordinate of neutron flux distribution into a temporal distribution of the radiochemical gas decay counting rate ("barcode" semblance) and measurement of bombarding particles spectra are described. Experimental testing of the described technologies was made on the neutron target driven with the linear proton accelerator of Institute for Nuclear Research of Russian Academy of Sciences (INR RAS).

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References

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