First detailed reconstruction of the primary cosmic ray energy spectrum using reflected Cherenkov light

Авторы: Antonov R.A., Aulova T.V., Beschapov S.P., Bonvech E.A., Chernov D.V., Dzhatdoev T.A., Mir Finger, Mix Finger, Galkin V.I., Kabanova N.V., Petkun A.S., Podgrudkov D.A., Roganova T.M., Shaulov S.B., Sysoeva T.I.
Сборник: Proc. of 33 rd International Cosmic Ray Conference
Год издания: 2014
Место издания: Rio de Janiero: Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro
Первая страница: 1185
Последняя страница: 1188
Аннотация: We report on the first reasonably well systematically controlled measurement of the primary allnuclei cosmic ray energy spectrum with a detector lifted above ground surface. The spectrum in the energy range 10^16 – 5·10^17 eV was reconstructed using the data of the SPHERE experiment that observes optical VavilovCherenkov radiation (Cherenkov light) of extensive air showers (EAS) reflected from the snow surface of Lake Baikal. Several sources of systematic uncertainty of the spectrum were accounted for. The statistical uncertainty of the measured spectrum is still larger than for the most of the modern ground-based experiments. However, the systematic uncertainties were proved to be tolerable, and the total uncertainty of the reconstructed spectrum is comparable with that of the ground-based experiments.
Добавил в систему: Бонвеч Елена Алексеевна

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