Charge, energy, and LET spectra measurements of charged particles in P0006 experiment of LDEF

Details Charge, energy, and LET spectra measurements of charged particles in P0006 experiment of LDEF Charge, energy, and LET spectra measurements of charged particles in P0006 experiment of LDEF

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ldef.symp...19b&link_type=abstract

In NASA. Langley Research Center, Second LDEF Post-Retrieval Symposium Abstracts p 19 (SEE N92-27218 18-99)

Other

Linear Energy Transfer (Let), Long Duration Exposure Facility, Radiation Distribution, Radiation Shielding, Radiation Spectra, Single Event Upsets, Galactic Cosmic Rays, Health, Heavy Ions, Iron, Metal Particles, Microelectronics, Position (Location), Space Station Freedom, Spacecrews

Scientific paper

Measurements are under way of the charged particle radiation environment of the LDEF satellite using stacks of plastic nuclear track detectors (PNTDs) placed in different locations of the satellite. In the initial work, the charge, energy, and linear energy transfer (LET) spectra of charged particles were measured with CR-39 double layer PNTDs located on the west end of the satellite. Primary and secondary stopping heavy ions as well as relativistic galactic cosmic rays (mostly iron particles) were measured separately. The results will be compared with similar measurements in other locations on LDEF with different orientation and shielding conditions. The remarkably detailed study of the charged particle radiation environment of the LDEF satellite will lead to a better understanding of the radiation environment of the Space Station Freedom. It will enable more accurate prediction of single event upsets (SEUs) in microelectronics and, especially, more accurate assessment of the risk, contributed by the different components of the radiation field to the health and safety of crew members.

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