Three-dimensional shielding effects on charged particle fluences measured in the P0006 experiment in LDEF

Details Three-dimensional shielding effects on charged particle fluences measured in the P0006 experiment in LDEF Three-dimensional shielding effects on charged particle fluences measured in the P0006 experiment in LDEF

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ldef.symp...21c&link_type=abstract

In NASA. Langley Research Center, Second LDEF Post-Retrieval Symposium Abstracts p 21 (SEE N92-27218 18-99)

Statistics

Computation

Charged Particles, Galactic Cosmic Rays, Long Duration Exposure Facility, Radiation Effects, Radiation Shielding, Three Dimensional Models, Fluence, Iron, Mathematical Models, Position (Location), Proton Beams, Radiation Measurement, Relativistic Particles, Shadows, Trapped Particles

Scientific paper

The azimuthal and polar angle distribution of the galactic cosmic ray particles (mostly relativistic iron) was measured in the main stack and four side stacks of the P0006 experiment located on the west end of the LDEF satellite. A clear shadowing effect of the radiation shielding of the LDEF satellite is found. The total fluence of stopping protons (mostly primary, trapped particles) was measured as a function of the position in the main and side stacks of the P0006 experiment. Experimental results are compared with theoretical calculations and the effect of the strong location dependence of particle fluences is explained by the three dimensional shielding model of the P0006 stack. Through comparisons between experimental results and calculations, this work will lead to the refinement of the radiation environment computational models.

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