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  • Title: [Radiobiologic basis of the quality factor of protons and helium ions].
    Author: Ryzhov NI, Fedorenko BS.
    Journal: Kosm Biol Aviakosm Med; 1986; 20(1):63-6. PubMed ID: 3005761.
    Abstract:
    Reported data and experimental results of measuring the relative biological effectiveness of protons of different energies and helium ions of 4 GeV/nuclon were analyzed to determine quality factors of the major components of cosmic radiations. It is recommended to use quality factors equal to 1.30-1.45 for 100-730 MeV protons and equal to 1.75 for 9 GeV protons and 4 GeV/nuclon helium ions. It is also suggested to employ them as standards for solving practical problems of radiation safety in space flights.
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