Exploring arrival directions of UHECRs with the Yakutsk array

The data on arrival directions of ultra-high energy cosmic rays (UHECRs) detected with the Yakutsk array are analyzed. The work is induced by the recent claim of the Pierre Auger collaboration for the significant correlation found between UHECRs and positions of nearby Active Galactic Nuclei (AGN) o...

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Bibliographic Details
Main Author: A. A. Ivanov
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published:
Subjects:
Yakutsk
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.244.6264
http://arxiv.org/pdf/0903.0532v1.pdf
Description
Summary:The data on arrival directions of ultra-high energy cosmic rays (UHECRs) detected with the Yakutsk array are analyzed. The work is induced by the recent claim of the Pierre Auger collaboration for the significant correlation found between UHECRs and positions of nearby Active Galactic Nuclei (AGN) on the celestial sphere; and no correlation the HiRes collaboration stands for. Conflicting data of four giant arrays concern possible extragalactic sources of UHECRs and appeal to the profound analysis and to the future data from the Telescope Array/Northern Auger Observatory. 1.

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