Arrival direction of successive air showers

Konishi, T. and Chikawa, M. and Kato, Y. and Ochi, N. and Ohara, S. and Takahashi, N. and Tsuji, K. and Wada, T. and Yamamoto, I. (2001) Arrival direction of successive air showers. Il nuovo cimento C, 24 C (6). pp. 859-874. ISSN 1826-9885

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Abstract

We have studied the features of series of air shower events (AS cluster) concentrated within short intervals of time of arrival. When the number of events in the cluster reaches the maximum values in the considered data set, the arrival directions of the AS are prevailingly observed around values of right ascension α 5 h and α 20 h. These values indicate parallellism of directions between the shower directions and the galactic plane. This can be explained by the presence of Ultra-High Energy (UHE) gamma-ray sources, generating showers from their specific direction. The analysis uses three data set of 253k, 664k and 231k events. The results are similar in the three data set.

Item Type: Article
Uncontrolled Keywords: Extensive air showers ; Cosmic rays (including sources, origin, acceleration, and interactions)
Subjects: 500 Scienze naturali e Matematica > 550 Scienze della Terra > 551 Geologia, Idrologia, Meteorologia > 551.5 Meteorologia (Classificare qui l'atmosfera) (Classificare la previsione e le previsioni di specifici fenomeni meteorologici in 551.64; classificare la Micrometeorologia in 551.66) > 551.52 Termodinamica, interazioni atmosferiche con la superficie terrestre, temperature, radiazioni > 551.527 Radiazioni (per fenomeni ottici, vedi 551.565) > 551.5276 Radiazioni cosmiche (Include il rumore cosmico) (Classificare qui i raggi cosmici)
Depositing User: Marina Spanti
Date Deposited: 11 Mar 2020 15:40
Last Modified: 11 Mar 2020 15:40
URI: http://eprints.bice.rm.cnr.it/id/eprint/14735

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