Space radiation risk to astronauts and electronic equipments is one major obstacle in long term human space explorations. Space radiation transport codes have been developed to calculate radiation effects behind materials in human missions to the Moon, Mars or beyond. We study how nuclear fragmentation processes affect the accuracy of predictions from such radiation transport. In particular, we investigate the effects of fragmentation cross sections at different energies on fluxes, dose and dose-equivalent from galactic cosmic rays behind typical shielding materials. These results tell us at what energies nuclear cross sections are the most important for radiation risk evaluations, and how uncertainties in our knowledge about nuclear fragmentations relate to uncertainties in space transport predictions.


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    Titel :

    Effects of Nuclear Interactions on Accuracy of Space Radiation Transport


    Beteiligte:
    Lin, Zi-Wei (Autor:in) / Barghouty, A. F. (Autor:in)

    Kongress:

    Space Nuclear Conference 2005 ; 2005 ; San Diego, CA, United States


    Erscheinungsdatum :

    01.01.2005


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :