Status of the Yakutsk air shower array and future plans
A. K. Alekseev, E. A. Atlasov, N. G. Bolotnikov, A. V. Bosikov, N. A., Dyachkovskiy, N. S. Gerasimova, A. V. Glushkov, A. A. Ivanov, O. N. Ivanov,, D. N. Kardashevsky, I. A. Kellarev, S. P. Knurenko, A. D. Krasilnikov, A. N., Krivenkov, I. V. Ksenofontov, L. T. Ksenofontov
TL;DR
The Yakutsk array has operated for over 50 years studying ultra-high energy cosmic rays, with recent results on energy spectrum, composition, anisotropy, and muonic components, alongside future upgrade plans.
Contribution
This paper presents recent experimental results from the Yakutsk array and discusses future modernization efforts to enhance cosmic ray research.
Findings
Measurements of cosmic ray energy spectrum and composition
Detection of directional anisotropy in cosmic rays
Analysis of muonic component in air showers
Abstract
The Yakutsk Extensive Air Shower Array has been continuously operating for more than 50 years (since 1970) and up until recently it has been one of world's largest ground-based instruments aimed at studying the properties of cosmic rays in the ultra-high energy domain. In this report we discuss results recently obtained at the array - on cosmic rays energy spectrum, mass composition and directional anisotropy - and how they fit into the world data. Special attention is paid to the measurements of muonic component of extensive air showers. Theoretical results of particle acceleration at shocks are also briefly reviewed. Future scientific and engineering plans on the array modernization are discussed.
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