PoS - Proceedings of Science
Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - SH - Solar & Heliospheric
Performance of the current and extended global NM network for solar particle registration and analysis
A. Mishev* and I. Usoskin
Full text: pdf
Pre-published on: June 24, 2021
Published on: March 18, 2022
Abstract
Over several decades, the global neutron monitor network was extensively and with undoubtful
success used to study cosmic ray variations and fluxes of accelerated solar ions, the latter known as
solar energetic particles. Recently, it has been used also for space weather purposes, specifically
for alerts, and to provide crucial information necessary for assessment of different space weather
effects, specifically the assessment of the exposure to radiation at flight altitudes. Here, we discuss
the current status and applications of the global neutron monitor network, precisely its capability
to study solar energetic particles, namely assessment of their spectral and angular distribution,
during strong solar proton events e.g. those leading to ground level enhancements. Several
examples are presented, accordingly. We also discuss the existing gaps in the network and propose
an improvement of the network, namely a plan for an extension of the existing network with
several new stations, in order to provide a more accurate analysis of strong solar proton events
and to respond to the current space weather demands and services. We discuss the ability of the
optimized global neutron monitor network to study various populations of solar energetic particles
and to provide reliable space weather services.
DOI: https://doi.org/10.22323/1.395.1315
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