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Update on the large-scale cosmic-ray anisotropy search at the highest energies by the Telescope Array Experiment

par Fujii, Toshihiro;Kuznetsov, Mikhail ;Tinyakov, Peter ; [et al.]
Référence Pos proceedings of science, 395, 291
Publication Publié, 2022-03-18

Article révisé par les pairs

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Résumé :

The study of large-scale anisotropy at the highest energies is essential for understanding the transition from cosmic rays of galactic origin to those of extra-galactic origin, along with the magnetic fields in the galaxy and those beyond. Motivated by a significant detection of the large-scale anisotropy above 8 EeV by the Pierre Auger Observatory (Auger), we had previously reported, using 11 years of Telescope Array (TA) surface array data, a result compatible both with that of Auger, and with an isotropic source distribution [1]. In this contribution, we will show the preliminary updated results using 12 years TA SD data to search for the large-scale anisotropy at the highest energies.