The Mysterious Ultrahigh Energy Cosmic Ray Clustering
Abstract
We examine the correlation between compact radio quasars (redshifts in the range z=0.3-2.2) and the arrival direction of ultrahigh energy cosmic rays forming clusters. Our Monte Carlo simulation reveals a statistically significant correlation on the AGASA sample: the chance probability of this effect being less than 1%. The implications of this result on the origin of ultrahigh energy cosmic rays are discussed.
- Publication:
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Modern Physics Letters A
- Pub Date:
- 2001
- DOI:
- arXiv:
- arXiv:astro-ph/0106501
- Bibcode:
- 2001MPLA...16.2033A
- Keywords:
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- Astrophysics;
- High Energy Physics - Phenomenology
- E-Print:
- Updates to match journal version