Searching for preferential arrival directions of ultrahigh-energy cosmic rays on the Moscow State University EAS array

Searching for preferential arrival directions of ultrahigh-energy cosmic rays on the Moscow State University EAS array

There is evidence for possible clustering in the arrival directions of extensive air showers (EASs). A program for analyzing EAS arrival directions has been developed to investigate this problem and the database of the Moscow State University EAS array for 1982–1989 has been analyzed. The distributi...

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Veröffentlicht in:Moscow University physics bulletin 2007-10, Vol.62 (5), p.320-323
Hauptverfasser: Kalmykov, N. N., Kulikov, G. V., Silaev, Aleksei A., Silaev, A. A., Sulakov, V. P.
Format: Artikel
Sprache:eng
Schlagworte:
Arrays
Clustering
Cosmic ray showers
Cosmic rays
Statistical tests
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Zusammenfassung:There is evidence for possible clustering in the arrival directions of extensive air showers (EASs). A program for analyzing EAS arrival directions has been developed to investigate this problem and the database of the Moscow State University EAS array for 1982–1989 has been analyzed. The distributions in equatorial coordinates have been derived for cosmic rays with energies E ≥ 2 × 1015 eV and zenith angles
ISSN:0027-1349
1934-8460
DOI:10.3103/S0027134907050116