An Indication of Anisotropy in Arrival Directions of Ultra-high-energy Cosmic Rays through Comparison to the Flux Pattern of Extragalactic Gamma-Ray Sources<sup>*</sup>

Aab, A.; Abreu, P.; Aglietta, M.; F. M. Albuquerque, I.; Allekotte, I.; Almela, A.; Alvarez Castillo, J.; Álvarez-Muñiz, Jaime; Alex Anastasi, Gioacchino; A. Anchordoqui, Luis; Andrada, Belén; Andringa, S.; Aramo, C.; Arsene, N.; Asorey, H.; Assis, P.; Ávila, G.; Mihaela Badescu, Alina; Balaceanu, A.; Barbato, Felicia; Jorge Barreira Luz, Ricardo; J. Beatty, J.; Becker, K.; A. Bellido, Jose; Bérat, Corinne; E. Bertaina, M.; Bertou, X.; L. Biermann, Peter; Biteau, Jonathan; G. Blaess, S.; Blanco, A.; Blažek, Jiří; Bleve, C.; Boháčová, M.; Bonifazi, C.; Borodai, Nataliia; Martina Botti, Ana; Brack, J.; Brâncuş, I.M.; Bretz, T.; Bridgeman, A.; L. Briechle, F.; Buchholz, P.; Bueno, A.; Buitink, S.; Buscemi, Mario; S. Caballero‐Mora, K.; Caccianiga, Lorenzo; Cancio, A.; Canfora, F.

doi:10.3847/2041-8213/aaa66d

Public

An Indication of Anisotropy in Arrival Directions of Ultra-high-energy Cosmic Rays through Comparison to the Flux Pattern of Extragalactic Gamma-Ray Sources*

Shared by NobleBlocks on Feb 1, 2018 • 12:00 AM UTC

Authors:

A. Aab

P. Abreu

M. Aglietta

Abstract

Abstract A new analysis of the data set from the Pierre Auger Observatory provides evidence for anisotropy in the arrival directions of ultra-high-energy cosmic rays on an intermediate angular scale, which is indicative of excess arrivals from strong, nearby sources. The data consist of 5514 events ...

Subject

Physics

Astrophysics

Cosmic ray

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