Volume 501 - 39th International Cosmic Ray Conference (ICRC2025) - Cosmic-Ray Indirect
Evolution of cosmic ray anisotropy with energy up to PeV observed by LHAASO-KM2A
W.Y. Zhang, W. Gao*, S.W. Cui, H.H. He, H.K. Lv  on behalf of the LHAASO Collaboration
*: corresponding author
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Pre-published on: September 23, 2025
Published on: —
Abstract
The evolution of cosmic ray large-scale anisotropy (LSA) with energy is essential for studying the origins of LSA, which are closely related to the origins and propagation of cosmic rays. However, due to both the low flux of cosmic rays and inconsistency among experiments, the observations
of LSA above one hundred TeV are subject to large uncertainties. We utilize over three years data from the kilometer square array (KM2A) of LHAASO to observe the LSA. The measurements covered a wide energy range, reaching PeV, with high precision.
DOI: https://doi.org/10.22323/1.501.0264
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