LET-distributions and radiation doses due to cosmic rays

Details LET-distributions and radiation doses due to cosmic rays LET-distributions and radiation doses due to cosmic rays

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983itns...30.4405s&link_type=abstract

(IEEE, U.S. Defense Nuclear Agency, NASA, et al., Annual Conference on Nuclear and Space Radiation Effects, Gatlinburg, TN, July

Biology

3

Cosmic Rays, Heavy Nuclei, Linear Energy Transfer (Let), Radiation Distribution, Radiation Dosage, Energy Spectra, Hydrogen Compounds, Hydrogen Isotopes, Nickel Isotopes, Radiobiology, Single Event Upsets, Spacecraft Shielding

Scientific paper

A radiation transport calculation of all nuclides in cosmic rays has been carried out for elements H to Ni. (The unattenuated flux at solar min, outside the magnetosphere is 10 to the 8th/sq cm year). The computer code treats nuclear spallation reactions, ionization losses and geomagnetic effects. LET-distributions and radiation doses due to cosmic rays can be calculated at any point in spacecraft and at various depths in any material. Results of sample calculations, including single event upsets, are presented. Hydrogenous materials are shown to be more effective than aluminum for shielding against the high-LET components that penetrate soft upsets.

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