Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974aiaa.conf.....f&link_type=abstract
American Institute of Aeronautics and Astronautics and American Geophysical Union, Conference on Scientific Experiments of Skyla
Astronomy and Astrophysics
Astronomy
Neutron Activation Analysis, Nuclear Interactions, Proton Flux Density, Radioactive Contaminants, Skylab 4, Thermal Neutrons, Gamma Rays, Nuclear Transformations, Radiation Effects, Spacecraft Shielding, X Ray Spectroscopy
Scientific paper
Radioactivity induced by high-energy protons and secondary neutrons (from nuclear interactions) in various samples returned from different locations in Skylab was measured directly by gamma-ray spectroscopy measurements of decay gamma rays from the samples. Incident fluxes were derived from the activation measurements, using known nuclear cross-section. Neutron and proton flux values were found to range from 0.2 to 5 particles/sq cm-sec, depending on the energy range and location in Skylab. The thermal neutron flux was less than 0.07 neutrons/sq cm-sec. The results are useful for data analysis and planning of future high-energy astronomy experiments.
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