Search for global dipole enhancements in the HiRes-I monocular data above 1018.5 eV
Date
2004
Authors
Abbasi, R.
Abu-Zayyad, T.
Amann, J.
Archbold, G.
Bellido Caceres, J.
Belov, K.
Belz, J.
Bergman, D.
Cao, Z.
Clay, R.
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Journal article
Citation
Astroparticle Physics, 2004; 21(2):111-123
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Abstract
Several proposed source models for ultra-high energy cosmic rays (UHECRs) consist of dipole distributions oriented towards major astrophysical landmarks such as the galactic center, M87, or Centaurus A. We use a comparison between real data and simulated data to show that the HiRes-I monocular data for energies above 10<sup>18.5</sup> eV is, in fact, consistent with an isotropic source model. We then explore methods to quantify our sensitivity to dipole source models oriented towards the Galactic Center, M87, and Centaurus A. © 2004 Elsevier B.V. All rights reserved.
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Copyright © 2004 Elsevier B.V. All rights reserved.