Estimates of HZE particle contributions to SPE radiation exposures on interplanetary missions

Details Estimates of HZE particle contributions to SPE radiation exposures on interplanetary missions Estimates of HZE particle contributions to SPE radiation exposures on interplanetary missions

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14..671t&link_type=abstract

Advances in Space Research, Volume 14, Issue 10, p. 671-674.

Computer Science

1

Scientific paper

Estimates of radiation doses resulting from possible HZE (high energy heavy ion) components of solar particle events (SPEs) are presented for crews of manned interplanetary missions. The calculations assume a model spectrum obtained by folding measured solar flare HZE particle abundances with the measured energy spectra of SPE alpha particles. These hypothetical spectra are then transported through aluminum spacecraft shielding. The results, presented as estimates of absorbed dose and dose equivalent, indicate that HZE components by themselves are not a major concern for crew protection but should be included in any overall risk assessment. The predictions are found to be sensitive to the assumed spectral hardness parameters.

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