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- Title
Search for the Relationship between Particle Precipitation from the Earth's Radiation Belt and Cosmic Gamma-Ray Bursts.
- Authors
Morozova, D. N.; Mayorov, A. G.
- Abstract
The article studies the relationship between particle precipitation from the Earth's radiation belt and cosmic gamma-ray bursts. For this purpose, experimental measurements of charged cosmic ray fluxes in the PAMELA experiment and gamma-ray burst observations by the Fermi Observatory are used. Both instruments operated simultaneously in Earth orbit between 2008 and 2016. For the time of each gamma-ray burst detected by the Fermi Observatory during the specified period, the count rate of the PAMELA detectors is analyzed. In order to search for a possible signal from the interaction of a gamma-ray burst with charged particles in the near-Earth space, annual background maps of count rates of the time-of-flight detectors are constructed. The difference between the background count rate and the count rate at the time of the gamma-ray burst arrival (in the time interval several minutes before and after) is analyzed. Several cases are found in which the count rate significantly deviated from the background value at the time of the gamma-ray burst arrival and lasted up to 5–10 min after it.
- Subjects
TERRESTRIAL radiation; RADIATION belts; COSMIC rays; GAMMA ray bursts
- Publication
Physics of Atomic Nuclei, 2021, Vol 84, Issue 9, p1636
- ISSN
1063-7788
- Publication type
Article
- DOI
10.1134/S106377882109026X