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Type: Journal article
Title: Search for point sources of ultra-high-energy cosmic rays above 4.0 x 1019 eV using a maximum likelihood ratio test
Author: Abbasi, R.
Abu-Zayyad, T.
Amman, J.
Archbold, G.
Atkins, R.
Bellido Caceres, J.
Belov, K.
Belz, J.
BenZvi, S.
Bergman, D.
Boyer, J.
Burt, G.
Cao, Z.
Clay, R.
Connolly, B.
Dawson, B.
Deng, W.
Farrar, G.
Fedorova, Y.
Findlay, J.
et al.
Citation: The Astrophysical Journal: an international review of astronomy and astronomical physics, 2005; 623(1):164-170
Publisher: Univ Chicago Press
Issue Date: 2005
ISSN: 0004-637X
Statement of
R. U. Abbasi, T. Abu-Zayyad, J. F. Amann, G. Archbold, R. Atkins, J. A. Bellido, K. Belov, J. W. Belz, S. Y. Ben-Zvi, D. R. Bergman, J. H. Boyer, G. W. Burt, Z. Cao, R. W. Clay, B. M. Connolly, B. R. Dawson, W. Deng, G. R. Farrar, Y. Fedorova, J. Findlay, C. B. Finley, W. F. Hanlon, C. M. Hoffman, M. H. Holzscheiter, G. A. Hughes, P. Hüntemeyer, C. C. H. Jui, K. Kim, M. A. Kirn, B. C. Knapp, E. C. Loh, M. M. Maestas, N. Manago, E. J. Mannel, L. J. Marek, K. Martens, J. A. J. Matthews, J. N. Matthews, A. O'Neill, C. A. Painter, L. Perera, K. Reil, R. Riehle, M. D. Roberts, M. Sasaki, S. R. Schnetzer, M. Seman, K. M. Simpson, G. Sinnis, J. D. Smith, R. Snow, P. Sokolsky, C. Song, R. W. Springer, B. T. Stokes, J. R. Thomas, S. B. Thomas, G. B. Thomson, D. Tupa, S. Westerhoff, L. R. Wiencke, and A. Zech
Abstract: We present the results of a search for cosmic-ray point sources at energies in excess of 4.0 × 1019 eV in the combined data sets recorded by the Akeno Giant Air Shower Array and High Resolution Fly's Eye stereo experiments. The analysis is based on a maximum likelihood ratio test using the probability density function for each event rather than requiring an a priori choice of a fixed angular bin size. No statistically significant clustering of events consistent with a point source is found.
Description: © 2005. The American Astronomical Society
DOI: 10.1086/428570
Appears in Collections:Aurora harvest 2
Physics publications

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