Telescope array; status and prospects

H. Kawai, T. Nunomura, N. Sakurai, S. Yoshida, H. Yoshii, K. Tanaka, F. Cohen, M. Fukushima, N. Hayashida, M. Ohnishi, H. Ohoka, Shunsuke Ozawa, H. Sagawa, T. Shibata, H. Shimodaira, M. Takeda, A. Taketa, M. Takita, H. Tokuno, R. ToriiS. Udo, H. Fujii, T. Matsuda, M. Tanaka, H. Yamaoka, K. Hibino, T. Benno, M. Chikawa, T. Nakamura, M. Teshima, K. Kadota, Y. Uchihori, Y. Hayashi, K. Matsumoto, Y. Matsumoto, T. Matsuyama, S. Ogio, A. Ohshima, T. Okuda, D. R. Bergman, G. Hughes, S. Stratton, G. B. Thomson, N. Inoue, Y. Wada, K. Kasahara, M. Fukuda, T. Iguchi, F. Kakimoto, R. Minagawa, Y. Tameda, Y. Tsunesada, J. W. Belz, J. A J Matthews, T. Abu-Zayyad, R. Cady, Z. Cao, P. Huentemeyer, C. C H Jui, K. Martens, J. N. Matthews, J. D. Smith, P. Sokolsky, R. W. Springer, S. B. Thomas, L. R. Wiencke, T. Doyle, M. J. Taylor, V. B. Wickwar, T. D. Wilkerson, K. Hashimoto, K. Honda, T. Ishii, T. Kanbe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)


The Telescope Array (TA) is the air shower experiment designed for observing extremely high energy cosmic rays. It consists of an array of scintillation counters covering the ground area of 760 km2 and 3 sets of air fluorescence telescopes placed in the perimeter of the array. The TA aims at making a decisive measurement of the cosmic ray spectrum in the GZK cutoff region, and pinning down the nature of cosmic rays exceeding 10 20 eV, which have been the subject of extensive studies by AGASA, HiRes and other air shower experiments. The TA is being constructed in Utah, USA, and the commissioning is expected in the spring of 2007. An extension of hybrid measurement is planned down to 1017.5 eV in order to elucidate the galactic to extra-galactic transition of cosmic ray sources (TALE proposal).

Original languageEnglish
Title of host publication29th International Cosmic Ray Conference, ICRC 2005
PublisherTata Institute of Fundamental Research
Number of pages4
Publication statusPublished - 2005
Externally publishedYes
Event29th International Cosmic Ray Conference, ICRC 2005 - Pune, India
Duration: 2005 Aug 32005 Aug 10


Other29th International Cosmic Ray Conference, ICRC 2005

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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