Mathematics – Logic
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..410.1577v&link_type=abstract
The fourth compton symposium. AIP Conference Proceedings, Volume 410, pp. 1577-1581 (1997).
Mathematics
Logic
1
X- And Gamma-Ray Telescopes And Instrumentation, Gamma-Ray, Cosmic Rays, Mathematical Procedures And Computer Techniques, Neutrino, Muon, Pion, And Other Elementary Particle Detectors, Cosmic Ray Detectors, Neural Networks, Fuzzy Logic, Artificial Intelligence
Scientific paper
The structure of the CGRO satellite is irradiated by cosmic rays and trapped particles from radiation belts. These incident particles produce radioactive nuclei in nuclear reactions with the satellite structure. Most of the radiation dose can be attributed to the passages through the South Atlantic Anomaly. The incident particle flux on the COMPTEL instrument is estimated from the event rate of a plastic scintillation detector. This event rate is modeled with a Neural Network simulation. The increase of the event rate during SAA passages is taken as a measure for the amount of induced radioactivity. A Neural Network Model is used to derive the buildup of radioactive nuclei in the instrument over the first five years of the mission. Measurements of the internal 22Na- and 24Na-activity are used to estimate the proton flux in the SAA. The result is consistent with earlier measurements and models.
Diehl Roland
McConnell Mark M.
Oberlack Uwe
Ryan J. J.
van Dijk Rob
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