B. G. Cheon⁴, K. Endo³, A. Fedynitch^5,6, T. Fujii^3,7, K. Fujisue^5,6, K. Fujita^6,*, M. Fukushima⁶, G. Furlich², A. Gálvez Ureña⁸, Z. Gerber², N. Globus⁹, T. Hanaoka¹⁰, W. Hanlon², N. Hayashida¹¹, H. He^12,†, K. Hibino¹¹, R. Higuchi¹², D. Ikeda¹¹, D. Ivanov², S. Jeong¹³, C. C. H. Jui², K. Kadota¹⁴, F. Kakimoto¹¹, O. Kalashev¹⁵, K. Kasahara¹⁶, Y. Kawachi³, K. Kawata⁶, I. Kharuk¹⁵, E. Kido⁶, H. B. Kim⁴, J. H. Kim², J. H. Kim^2,‡, S. W. Kim^13,§, R. Kobo³, I. Komae³, K. Komatsu¹⁷, K. Komori¹⁰, A. Korochkin¹⁸, C. Koyama⁶, M. Kudenko¹⁵, M. Kuroiwa¹⁷, Y. Kusumori¹⁰, M. Kuznetsov¹⁵, Y. J. Kwon¹⁹, K. H. Lee⁴, M. J. Lee¹³, B. Lubsandorzhiev¹⁵, J. P. Lundquist^20,2, H. Matsushita³, A. Matsuzawa¹⁷, J. A. Matthews², J. N. Matthews², K. Mizuno¹⁷, M. Mori¹⁰, S. Nagataki¹², K. Nakagawa³, M. Nakahara³, H. Nakamura¹⁰, T. Nakamura²¹, T. Nakayama¹⁷, Y. Nakayama¹⁰, K. Nakazawa¹⁰, T. Nonaka⁶, S. Ogio⁶, H. Ohoka⁶, N. Okazaki⁶, M. Onishi⁶, A. Oshima²², H. Oshima⁶, S. Ozawa²³, I. H. Park¹³, K. Y. Park⁴, M. Potts², M. Przybylak²⁴, M. S. Pshirkov^15,25, J. Remington^2,‖, C. Rott², G. I. Rubtsov¹⁵, D. Ryu²⁶, H. Sagawa⁶, N. Sakaki⁶, R. Sakamoto¹⁰, T. Sako⁶, N. Sakurai⁶, S. Sakurai³, D. Sato¹⁷, K. Sekino⁶, T. Shibata⁶, J. Shikita³, H. Shimodaira⁶, H. S. Shin^3,7, K. Shinozaki²⁷, J. D. Smith², P. Sokolsky², B. T. Stokes², T. A. Stroman², H. Tachibana³, K. Takahashi⁶, M. Takeda⁶, R. Takeishi⁶, A. Taketa²⁸, M. Takita⁶, Y. Tameda¹⁰, K. Tanaka²⁹, M. Tanaka³⁰, M. Teramoto¹⁰, S. B. Thomas², G. B. Thomson², P. Tinyakov^18,15, I. Tkachev¹⁵, T. Tomida¹⁷, S. Troitsky¹⁵, Y. Tsunesada^3,7, S. Udo¹¹, F. R. Urban⁸, M. Vrábel²⁷, D. Warren¹², K. Yamazaki²², Y. Zhezher^6,15, Z. Zundel², and J. Zvirzdin² (Telescope Array Collaboration)

• ¹Department of Physics, Loyola University-Chicago, Chicago, Illinois 60660, USA
• ²High Energy Astrophysics Institute and Department of Physics and Astronomy, University of Utah, Salt Lake City, Utah 84112-0830, USA
• ³Graduate School of Science, Osaka Metropolitan University, Sugimoto, Sumiyoshi, Osaka 558-8585, Japan
• ⁴Department of Physics and The Research Institute of Natural Science, Hanyang University, Seongdong-gu, Seoul 426-791, Korea
• ⁵Institute of Physics, Academia Sinica, Taipei City 115201, Taiwan
• ⁶Institute for Cosmic Ray Research, University of Tokyo, Kashiwa, Chiba 277-8582, Japan
• ⁷Nambu Yoichiro Institute of Theoretical and Experimental Physics, Osaka Metropolitan University, Sugimoto, Sumiyoshi, Osaka 558-8585, Japan
• ⁸CEICO, Institute of Physics, Czech Academy of Sciences, Prague 182 21, Czech Republic
• ⁹Institute of Astronomy, National Autonomous University of Mexico Ensenada Campus, Ensenada, BC 22860, Mexico
• ¹⁰Graduate School of Engineering, Osaka Electro-Communication University, Neyagawa-shi, Osaka 572-8530, Japan
• ¹¹Faculty of Engineering, Kanagawa University, Yokohama, Kanagawa 221-8686, Japan
• ¹²Astrophysical Big Bang Laboratory, RIKEN, Wako, Saitama 351-0198, Japan
• ¹³Department of Physics, Sungkyunkwan University, Jang-an-gu, Suwon 16419, Korea
• ¹⁴Department of Physics, Tokyo City University, Setagaya-ku, Tokyo 158-8557, Japan
• ¹⁵Institute for Nuclear Research of the Russian Academy of Sciences, Moscow 117312, Russia
• ¹⁶Faculty of Systems Engineering and Science, Shibaura Institute of Technology, Minumaku, Tokyo 337-8570, Japan
• ¹⁷Academic Assembly School of Science and Technology Institute of Engineering, Shinshu University, Nagano, Nagano 380-8554, Japan
• ¹⁸Service de Physique Théorique, Université Libre de Bruxelles, Brussels 1050, Belgium
• ¹⁹Department of Physics, Yonsei University, Seodaemun-gu, Seoul 120-749, Korea
• ²⁰Center for Astrophysics and Cosmology, University of Nova Gorica, Nova Gorica 5297, Slovenia
• ²¹Faculty of Science, Kochi University, Kochi, Kochi 780-8520, Japan
• ²²College of Science and Engineering, Chubu University, Kasugai, Aichi 487-8501, Japan
• ²³Quantum ICT Advanced Development Center, National Institute for Information and Communications Technology, Koganei, Tokyo 184-8795, Japan
• ²⁴Doctoral School of Exact and Natural Sciences, University of Lodz, Lodz, Lodz 90-237, Poland
• ²⁵Sternberg Astronomical Institute, Moscow M.V. Lomonosov State University, Moscow 119991, Russia
• ²⁶Department of Physics, School of Natural Sciences, Ulsan National Institute of Science and Technology, UNIST-gil, Ulsan 689-798, Korea
• ²⁷Astrophysics Division, National Centre for Nuclear Research, Warsaw 02-093, Poland
• ²⁸Earthquake Research Institute, University of Tokyo, Bunkyo-ku, Tokyo 277-8582, Japan
• ²⁹Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Hiroshima 731-3194, Japan
• ³⁰Institute of Particle and Nuclear Studies, KEK, Tsukuba, Ibaraki 305-0801, Japan

• ^*Contact author: kfujita@icrr.u-tokyo.ac.jp
• ^†Present address: Purple Mountain Observatory, Nanjing 210023, China.
• ^‡Present address: Physics Department, Brookhaven National Laboratory, Upton, New York 11973, USA.
• ^§Present address: Korea Institute of Geoscience and Mineral Resources, Daejeon, 34132, Korea.
• ^‖Present address: NASA Marshall Space Flight Center, Huntsville, Alabama 35812, USA.