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The neutron dose equivalent rate measurements by R3DR/R2 spectrometers on the international space station

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    0581050 - ÚJF 2024 RIV NL eng J - Journal Article
    Dachev, T. P. - Litvak, M. L. - Benton, E. - Ploc, Ondřej - Tomov, B. T. - Matviichuk, Y. N. - Dimitrov, P. G. - Koleva, R. T. - Jordanova, M. M. - Bankov, N. G. - Mitev, M. G. - Mitrofanov, I. G. - Golovin, D. V. - Mokrousov, M. I. - Sanin, A. B. - Tretyakov, V. I. - Shurshakov, V. A. - Benghin, V. V.
    The neutron dose equivalent rate measurements by R3DR/R2 spectrometers on the international space station.
    Life Sciences in Space Research. Roč. 39, NOV (2023), s. 43-51. ISSN 2214-5524. E-ISSN 2214-5532
    R&D Projects: GA MŠMT EF15_003/0000481
    Institutional support: RVO:61389005
    Keywords : Space radiation * Neutron dose equivalent rate * ISS * Solar cycle variations
    OECD category: Astronomy (including astrophysics,space science)
    Impact factor: 2.5, year: 2022
    Method of publishing: Open access
    https://doi.org/10.1016/j.lssr.2023.01.001

    The data from two Bulgarian-German instruments with the basic name 'Radiation Risk Radiometer-Dosimeter' (R3D) are discussed. The R3DR instrument worked inside the ESA EXPOSE-R facility (2009-2010), while R3DR2 worked inside the ESA EXPOSE-R2 facility (2014-2016). Both were outside the Russian Zvezda module on the International Space Station (ISS). The data from both instruments were used for calculation of the neutron dose equivalent rate. Similar data, obtained by the Russian 'BTN-NEUTRON' instrument on the ISS are used to benchmark the R3DR/R2 neutron dose equivalent rate. The analisys reveals that the 'BTN-NEUTRON' and R3DR/R2 values are comparable both in the equatorial and in the South Atlantic Anomaly (SAA) regions. The R3DR/R2 values are smaller than the 'BTN-NEUTRON' values in the high latitude regions. The comparison with the Monte Carlo simulations of the secondary galactic cosmic rays (GCR) neutron ambient dose equivalent rates (El-Jaby and Richardson, 2015, 2016) also shows a good coincidence with the R3DR/R2 spectrometer data obtained in the equatorial and high latitude regions.
    Permanent Link: https://hdl.handle.net/11104/0349620

     
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