Solar modulation and nuclear fragmentation effects in galactic cosmic ray transport through shielding

Details Solar modulation and nuclear fragmentation effects in galactic cosmic ray transport through shielding Solar modulation and nuclear fragmentation effects in galactic cosmic ray transport through shielding

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14..853t&link_type=abstract

Advances in Space Research, vol. 14, no. 10, p. 853-861

Physics

Coulomb Collisions, Fragmentation, Galactic Cosmic Rays, Interplanetary Medium, Manned Space Flight, Mathematical Models, Particle Collisions, Radiation Shielding, Spacecraft Shielding, Collision Parameters, Electromagnetic Shielding, Flux (Rate), Linear Energy Transfer (Let), Radiation Dosage, Solar Cycles, Solar Radiation Shielding

Scientific paper

Crews of manned interplanetary missions may accumulate significant radiation exposures from the Galactic Cosmic Ray (GCR) environment in space. Estimates of how these dose levels are affected by the assumed temporal and spatial variations in the composition of the GCR environment, and by the effects of the spacecraft and body self-shielding on the transported fields are presented. In this work, the physical processes through which shielding alters the transported radiation fields are described. We then present estimates of the effects on model calculations of (1) nuclear fragmentation model uncertainties, (2) solar modulation, (3) variations between solar cycles, and (4) proposed changes to the quality factors which relate dose equivalent to absorbed dose.

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