Ultra-high energy cosmic ray correlations with Active Galactic Nuclei in the world dataset

Details Ultra-high energy cosmic ray correlations with Active Galactic Nuclei in the world dataset Ultra-high energy cosmic ray correlations with Active Galactic Nuclei in the world dataset

2012-04-11

arxiv.org/abs/1204.2499v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

3 pages, 1 figure

Scientific paper

Pierre Auger collaboration have recently put forward the hypothesis that the arrival directions of the highest energy cosmic rays correlate with the subset of local active galactic nuclei (AGN). We perform a blind test of AGN hypothesis using publicly available event sets collected by Yakutsk, AGASA and HiRes experiments. The consistency of the procedure requires the event energies to be normalized towards the common energy scale. The number of correlating events in resulting data-set is 3 of 21 which is consistent with expected random background.

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