Medium-scale anisotropies measured by Telescope Array surface detectors
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914072517148672 |
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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 |