Search for Point Sources of Ultra–High‐Energy Cosmic Rays above 4.0 x 1019eV Using a Maximum Likelihood Ratio Test
The Astrophysical Journal2005Vol. 623(1), pp. 164–170
Citations Over TimeTop 10% of 2005 papers
Rasha Abbasi, T. Abu‐Zayyad, J. F. Amann, G. Archbold, R. Atkins, Jose A. Bellido, K. Belov, J. W. Belz, S. BenZvi, D. R. Bergman, J. Boyer, G. W. Burt, Z. Cao, R. W. Clay, B. Connolly, B. R. Dawson, W. Deng, Glennys R. Farrar, Y. Fedorova, J. Findlay, C. Finley, W. Hanlon, C. M. Hoffman, M. H. Holzscheiter, G.A. Hughes, P. Hüntemeyer, C. C. H. Jui, K. Kim, M. Kirn, B. Knapp, E. C. Loh, M. M. Maestas, Naohiro Manago, E. J. Mannel, Lukáš Marek, K. Martens, J. A. J. Matthews, J. N. Matthews, A. O’Neill, C. A. Painter, L. Perera, K. Reil, R. Riehle, M. S. Roberts, M. Sasaki, S. 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, A. Zech
Abstract
We present the results of a search for cosmic ray point sources at energies above 40 EeV in the combined data sets recorded by the AGASA and HiRes 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.
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