Search for the Relationship Between Particle Eruptions from the Earth’s Radiation Belt and Cosmic Gamma-Ray Bursts
https://doi.org/10.56304/S207956292006041X
Abstract
The paper 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 observations of gamma-ray bursts by the Fermi observatory are used. Both instruments simultaneously operated in low-Earth orbit between 2008 and 2016. For the moment of time of each gamma-ray burst detected by the Fermi observatory in the specified time period, the counting rate of the PAMELA instrument detectors was analyzed. To search for a possible signal from the interaction of a gamma-ray burst with charged particles of near-Earth space, annual background maps of the counting rates of time-of-flight system detectors are constructed. The difference between the background counting rate and the counting rate at the moment of arrival of the gamma-ray burst (in the time interval a few minutes before and after) was analyzed. We found several cases where there is a significant deviation of the counting rate from the background value at the time of the arrival of the gamma-ray burst, which lasts up to 5−10 min after that.
About the Authors
D. N. Morozova
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
D. N. Morozova,
Moscow, 115409.
A. G. Mayorov
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
A. G. Mayorov,
Moscow, 115409.
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Review
For citations:
Morozova D.N., Mayorov A.G. Search for the Relationship Between Particle Eruptions from the Earth’s Radiation Belt and Cosmic Gamma-Ray Bursts. Nuclear Physics and Engineering. 2021;12(1):54-58. (In Russ.) https://doi.org/10.56304/S207956292006041X
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