Medium-scale anisotropies measured by Telescope Array surface detectors

Fuente: arXiv
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Main Authors: Kim, Jihyun, Ivanov, Dmitri, Kawata, Kazumasa, Sagawa, Hiroyuki, Thomson, Gordon
Format: Preprint
Published: 2025
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author Kim, Jihyun
Ivanov, Dmitri
Kawata, Kazumasa
Sagawa, Hiroyuki
Thomson, Gordon
author_facet Kim, Jihyun
Ivanov, Dmitri
Kawata, Kazumasa
Sagawa, Hiroyuki
Thomson, Gordon
contents The Telescope Array (TA) experiment, the largest observatory for ultra-high energy cosmic rays in the Northern Hemisphere, has identified two medium-scale anisotropies: the TA Hotspot near the constellation Ursa Major and an excess in the direction of the Perseus-Pisces supercluster. Studying these medium-scale anisotropies may provide insights into the origins of ultra-high energy cosmic rays. This presentation will explore an oversampling analysis of TA surface detector data to evaluate these medium-scale event excesses and will present the latest findings on the TA Hotspot and the Perseus-Pisces supercluster excess.
format Preprint
id arxiv_https___arxiv_org_abs_2510_02739
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Medium-scale anisotropies measured by Telescope Array surface detectors
Kim, Jihyun
Ivanov, Dmitri
Kawata, Kazumasa
Sagawa, Hiroyuki
Thomson, Gordon
High Energy Astrophysical Phenomena
Instrumentation and Methods for Astrophysics
The Telescope Array (TA) experiment, the largest observatory for ultra-high energy cosmic rays in the Northern Hemisphere, has identified two medium-scale anisotropies: the TA Hotspot near the constellation Ursa Major and an excess in the direction of the Perseus-Pisces supercluster. Studying these medium-scale anisotropies may provide insights into the origins of ultra-high energy cosmic rays. This presentation will explore an oversampling analysis of TA surface detector data to evaluate these medium-scale event excesses and will present the latest findings on the TA Hotspot and the Perseus-Pisces supercluster excess.
title Medium-scale anisotropies measured by Telescope Array surface detectors
topic High Energy Astrophysical Phenomena
Instrumentation and Methods for Astrophysics
url https://arxiv.org/abs/2510.02739