E. Kido
University of Tokyo
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Featured researches published by E. Kido.
arXiv: High Energy Astrophysical Phenomena | 2011
S.Y. Roh; Jihee Kim; Katsuaki Kasahara; E. Kido; A. Taketa; Dongsu Ryu; Hyesung Kang
Ultra‐high‐energy cosmic rays (UHECRs) refer to cosmic rays with energy above 1018 eV. UHECR experiments utilize simulations of extensive air shower to estimate the properties of UHECRs. The Telescope Array (TA) experiment employs the Monte Carlo codes of CORSIKA and COSMOS to obtain EAS simulations. In this paper, we compare the results of the simulations obtained from CORSIKA and COSMOS and report differences between them in terms of the longitudinal distribution, Xmax‐value, calorimetric energy, and energy spectrum at ground.
INTERNATIONAL SYMPOSIUM ON THE RECENT PROGRESS OF ULTRA‐HIGH ENERGY COSMIC RAY OBSERVATION | 2011
T. Okuda; N. Sakurai; H. Sagawa; Masaki Fukushima; S. Ogio; T. Nonaka; A. Taketa; E. Kido; G. Rubtsov; D. Ivanov
The Telescope Array (TA) experiment detects air showers induced by extremely high energy cosmic rays in the middle west of Utah, USA. The TA experiment consists of two different types of detector such as atmospheric fluorescence detectors (FDs) and surface array particle detectors (SDs). The SD observation started in March 2008. This paper describes the search for the small scale clusters from 850‐days TA SD data by auto‐correlation method for several energy thresholds. As a result, there is no indication of small scale clusters by TA SD.
32nd International Cosmic Ray Conference, ICRC 2011 | 2011
I. Tkachev; M. Fukushima; D. Ivanov; E. Kido; T. Nonaka; T. Okuda; G. Rubtsov; H. Sagawa; A. Taketa; G. Thomson; P. Tinyakov
The first two years of the Telescope Array surface detector data are analysed for anisotropy. First, we calculate the angular correlation function of the cosmic ray events at energies larger 10 and 40 EeV and show that there is no significant clustering either at small or large angular scales. We then test previously existing claims for correlation with putative classes of point sources of UHECR.
Nuclear Physics B - Proceedings Supplements | 2008
H. Kawai; Sho Yoshida; H. Yoshii; K. Tanaka; F. Cohen; M. Fukushima; N. Hayashida; K. Hiyama; D. Ikeda; E. Kido; Y. Kondo; T. Nonaka; M. Ohnishi; H. Ohoka; S. Ozawa; H. Sagawa; N. Sakurai; T.-A. Shibata; H. Shimodaira; M. Takeda; A. Taketa; M. Takita; H. Tokuno; R. Torii; S. Udo; Y. Yamakawa; Hirofumi Fujii; T. Matsuda; M. Tanaka; H. Yamaoka
Proceedings of The 34th International Cosmic Ray Conference — PoS(ICRC2015) | 2016
Petr Tiniakov; T. Okuda; G. Rubtsov; H. Sagawa; N. Sakurai; Benjamin Taylor Stokes; Masahiro Takeda; R. Takeishi; A. Taketa; G. B. Thomson; I. Tkachev; Masaki Fukushima; H. Tokuno; Sergey Troitsky; D. Ikeda; Dmitry Ivanov; Kenji Kawata; E. Kido; John J.N. Matthews; S. Nagataki; T. Nonaka
arXiv: High Energy Astrophysical Phenomena | 2013
E. Kido; O.E. Kalashev
Astroparticle Physics | 2013
S.Y. Roh; Jihee Kim; Dongsu Ryu; Hyesung Kang; Katsuaki Kasahara; E. Kido; A. Taketa
Nuclear Physics B - Proceedings Supplements | 2009
T. Nonaka; T. Abu-Zayyad; M. Allen; J.W. Belz; D. R. Bergman; S.A. Blake; O. A. Brusova; R. Cady; Z. Cao; J. Chiba; M. Chikawa; I.S. Cho; Hirofumi Fujii; T. Fujii; T. Fukuda; M. Fukushima; K. Hayashi; N. Hayashida; K. Hibino; K. Honda; P. Huentemeyer; G. Hughes; D. Ikeda; N. Inoue; D. Ivanov; S. Iwamoto; Charles C. H. Jui; Kenichi Kadota; F. Kakimoto; Hyesung Kang
Proceedings of The 34th International Cosmic Ray Conference — PoS(ICRC2015) | 2016
K. Kawata; H. Tokuno; G. Rubtsov; I. Tkachev; M. Takeda; D. Ikeda; P. Tinyakov; B.T. Stokes; R. Takeishi; D. A. Ivanov; M. Fukushima; John N. S. Matthews; E. Kido; N. Sakurai; T. Nonaka; G. B. Thomson; H. Sagawa; A. Taketa; T. Okuda; S. Nagataki
30th International Cosmic Ray Conference, ICRC 2007 | 2007
S. Ozawa; M. Fukushima; S. Kawakami; E. Kido; T. Nonaka; H. Ohoka; T. Okuda; H. Sagawa; M. Takeda; A. Taketa; J. Thomas; Sho Yoshida
