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Publication


Featured researches published by Kohei Honda.


Physical Review Letters | 1998

Extension of the cosmic ray energy spectrum beyond the predicted Greisen-Zatsepin-Kuz'min cutoff

M. Takeda; N. Hayashida; Kohei Honda; N. Inoue; K. Kadota; F. Kakimoto; K. Kamata; S. Kawaguchi; Y. Kawasaki; N. Kawasumi; H. Kitamura; E. Kusano; Y. Matsubara; Kazuaki Murakami; M. Nagano; D. Nishikawa; H. Ohoka; N. Sakaki; Makoto Sasaki; K. Shinozaki; N. Souma; M. Teshima; R. Torii; I. Tsushima; Yukio Uchihori; Takashi Yamamoto; Shin’ichirou Yoshida; H. Yoshii

The cosmic-ray energy spectrum above 10^{18.5} eV is reported using the updated data set of the Akeno Giant Air Shower Array (AGASA) from February 1990 to October 1997. The energy spectrum extends beyond 10^{20} eV and the energy gap between the highest energy event and the others is being filled up with recently observed events. The spectral shape suggests the absence of the 2.7 K cutoff in the energy spectrum or a possible presence of a new component beyond the 2.7 K cutoff.


Archive | 2003

The Telescope Array Experiment: An Overview and Physics Aims

Yasuo Arai; J. Beltz; M. Chikawa; Hideki Fujii; M. Fukushima; Kenta Hashimoto; Y. Hatashi; N. Hayashida; K. Hibino; Kohei Honda; N. Inoue; Charles C. H. Jui; Kenichi Kadota; F. Kakimoto; Kazuo Kasahara; Hisashi Kawai; S. Kawakami; Kalen Martens; Tatsuma D. Matsuda; Tsuneo Nakamura; S. Ogio; M. Ohnishi; H. Ohoka; N. Sakurai; Masaki Sasano; S. Schnetzer; H. Shimodaira; P. Sokolsky; M. Takita; Kei Tanaka


Archive | 1993

Telescope Array Project

Toshiaki Aoki; Yasuo Arai; Katsushi Arisaka; J. Beltz; Joseph H. Boyer; Zhen Cao; M. Chikawa; Roger William Clay; David B. Cline; Bruce R. Dawson; Byron D. Dieterle; John O. Dimmock; M. Fukushima; Kenta Hashimoto; N. Hayashida; L. W. Hillman; Kohei Honda; N. Inoue; F. Ishikawa; Charles C. H. Jui; S. Kabe; Fumiyoshi Kajino; F. Kakimoto; S. Kawakami; N. Kawasumi; B. D. Kieda; B. C. Knapp; David John Lamb; Eugene C. Loh; Eric James Mannel


Archive | 2001

Anisotropy of cosmic-ray arrival direction at 1018eV observed by AGASA

M. Teshima; M. Chikawa; M. Fukushima; N. Hayashida; Kohei Honda; N. Inoue; Kenichi Kadota; F. Kakimoto; Shigeyuki Kakizawa; Keigo Kamata; S. Kawaguchi; S. Kawakami; Y. Kawasaki; Norio Kawasumi; E. Kusano; A. M. Mahrous; Kenichi Mase; Taisuke Minagawa; Y. Morizane; M. Nagano; H. Ohoka; Satoko Osone; Nobuhiro Sakaki; Makoto Sasaki; Masaki Sasano; Kenji Shinozaki; M. Takeda; R. Torii; Itsuro Tsushima; Yukio Uchihori


Archive | 1999

The Utah Seven Telescope Array

Tetsuya Yamamoto; N. Chamoto; M. Chikawa; Sei. Hayashi; Yoshitsugu Hayashi; N. Hayashida; K. Hibino; H. Hirasawa; Kohei Honda; Norifumi Hotta; N. Inoue; F. Ishikawa; Nobuyasu Ito; S. Kabe; Fumiyoshi Kajino; Toshisuke Kashiwagi; Shigeyuki Kakizawa; S. Kawakami; Yoshiya Kawasaki; N. Kawasumi; Hidemitsu Kitamura; K. Kuramochi; E. Kusano; Eugene C. Loh; Kenichi Mase; T. Matsuyama; K. Mizutani; Y. Morizane; D. Nishikawa; Motohiko Nagano


NUCL PHYS B-PROC SUPPL | 1998

Recent results from the AGASA experiment

N. Hayashida; Kohei Honda; N. Inoue; Kenichi Kadota; F. Kakimoto; Keigo Kamata; S. Kawaguchi; Y. Kawasaki; Norio Kawasumi; Hidemitsu Kitamura; E. Kusano; Y. Matsubara; Kazuaki Murakami; Motohiko Nagano; D. Nishikawa; H. Ohoka; Nobuhiro Sakaki; Makoto Sasaki; Kenji Shinozaki; N. Souma; M. Takeda; M. Teshima; R. Torii; Itsuro Tsushima; Yukio Uchihori; Tetsuya Yamamoto; Shuhei Yoshida; H. Yoshii


Archive | 2003

The Telescope Array Experiment: The Search for the Clusters in the Northern Hemisphere Sky with a Large Scintillator Array

M. Chikawa; M. Fukushima; Kenta Hashimoto; Y. Hayashi; N. Hayashida; K. Hibino; Kohei Honda; Hisashi Kawai; S. Kawakami; Tatsuma D. Matsuda; Takahiko Nakamura; M. Ohnishi; H. Ohoka; N. Sakurai; Kei Tanaka; M. Teshima; Shuhei Yoshida; T. Yoshikoshi


Archive | 2001

Properties of EHE gamma-ray initiated air showers and their search by AGASA

Kenji Shinozaki; M. Chikawa; M. Fukushima; N. Hayashida; Kohei Honda; N. Inoue; Kenichi Kadota; F. Kakimoto; Shigeyuki Kakizawa; Keigo Kamata; S. Kawaguchi; S. Kawakami; Y. Kawasaki; Norio Kawasumi; E. Kusano; A. M. Mahrous; Kenichi Mase; Taisuke Minagawa; Y. Morizane; Motohiko Nagano; H. Ohoka; Satoko Osone; Nobuhiro Sakaki; Makoto Sasaki; Masaki Sasano; M. Takeda; M. Teshima; R. Torii; Itsuro Tsushima; Yukio Uchihori


Archive | 2001

The Trigger System of the Telescope Array Detector

Makoto Sasaki; Toshiaki Aoki; Yasuo Arai; M. Fukutomi; Kenta Hashimoto; Kohei Honda; M. Jobashi; Naohiro Manago; M. Masuda; Masato Sakai; Yasuko Tanaka; Yoshiharu Tsujikawa


Archive | 2001

Energy spectrum above 3 x 1018 EV observed with AGASA

M. Chikawa; M. Fukushima; N. Hayashida; Kohei Honda; N. Inoue; Kenichi Kadota; F. Kakimoto; Shigeyuki Kakizawa; Keigo Kamata; S. Kawaguchi; S. Kawakami; Y. Kawasaki; Norio Kawasumi; E. Kusano; A. M. Mahrous; Kenichi Mase; Taisuke Minagawa; Y. Morizane; Motohiko Nagano; H. Ohoka; Satoko Osone; Nobuhiro Sakaki; Makoto Sasaki; Masaki Sasano; Kenji Shinozaki; M. Takeda; M. Teshima; R. Torii; Itsuro Tsushima; Yukio Uchihori

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F. Kakimoto

Tokyo Institute of Technology

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Kazuaki Murakami

Nagoya University of Foreign Studies

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