M. Bongi^1,2, P. Brogi^7,8, A. Bruno¹⁰, N. Cannady¹¹, G. Castellini⁶, C. Checchia^7,8,†, M. L. Cherry¹², G. Collazuol^13,14, G. A. de Nolfo¹⁰, K. Ebisawa¹⁵, A. W. Ficklin¹², H. Fuke¹⁵, S. Gonzi^1,2,6, T. G. Guzik¹², T. Hams¹⁶, K. Hibino¹⁷, M. Ichimura¹⁸, M. H. Israel⁹, K. Kasahara¹⁹, J. Kataoka²⁰, R. Kataoka²¹, Y. Katayose²², C. Kato²³, N. Kawanaka^24,25, Y. Kawakubo²⁶, K. Kobayashi^3,4, K. Kohri^25,27, H. S. Krawczynski⁹, J. F. Krizmanic¹¹, P. Maestro^7,8, P. S. Marrocchesi^7,8, M. Mattiazzi^13,14, A. M. Messineo^8,28, J. W. Mitchell¹¹, S. Miyake²⁹, A. A. Moiseev^11,30,31, M. Mori³², N. Mori², H. M. Motz³³, K. Munakata²³, S. Nakahira¹⁵, J. Nishimura¹⁵, M. Negro¹², S. Okuno¹⁷, J. F. Ormes³⁴, S. Ozawa³⁵, L. Pacini^2,6, P. Papini², B. F. Rauch⁹, S. B. Ricciarini^2,6, K. Sakai³⁶, T. Sakamoto²⁶, M. Sasaki^11,30,31, Y. Shimizu¹⁷, A. Shiomi³⁷, P. Spillantini¹, F. Stolzi^7,8,‡, S. Sugita²⁶, A. Sulaj^7,8, M. Takita⁵, T. Tamura¹⁷, T. Terasawa⁵, S. Torii³, Y. Tsunesada^38,39, Y. Uchihori⁴⁰, E. Vannuccini², J. P. Wefel¹², K. Yamaoka⁴¹, S. Yanagita⁴², A. Yoshida²⁶, K. Yoshida¹⁹, and W. V. Zober⁹ (CALET Collaboration)

• ¹Department of Physics, University of Florence, Via Sansone, 1–50019, Sesto Fiorentino, Italy
• ²INFN Sezione di Firenze, Via Sansone, 1-50019, Sesto Fiorentino, Italy
• ³Waseda Research Institute for Science and Engineering, Waseda University, 17 Kikuicho, Shinjuku, Tokyo 162-0044, Japan
• ⁴JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan
• ⁵Institute for Cosmic Ray Research, The University of Tokyo, 5-1-5 Kashiwa-no-Ha, Kashiwa, Chiba 277-8582, Japan
• ⁶Institute of Applied Physics (IFAC), National Research Council (CNR), Via Madonna del Piano, 10, 50019, Sesto Fiorentino, Italy
• ⁷Department of Physical Sciences, Earth and Environment, University of Siena, via Roma 56, 53100 Siena, Italy
• ⁸INFN Sezione di Pisa, Polo Fibonacci, Largo Bruno Pontecorvo, 3–56127 Pisa, Italy
• ⁹Department of Physics and McDonnell Center for the Space Sciences, Washington University, One Brookings Drive, St. Louis, Missouri 63130-4899, USA
• ¹⁰Heliospheric Physics Laboratory, NASA/GSFC, Greenbelt, Maryland 20771, USA
• ¹¹Astroparticle Physics Laboratory, NASA/GSFC, Greenbelt, Maryland 20771, USA
• ¹²Department of Physics and Astronomy, Louisiana State University, 202 Nicholson Hall, Baton Rouge, Louisiana 70803, USA
• ¹³Department of Physics and Astronomy, University of Padova, Via Marzolo, 8, 35131 Padova, Italy
• ¹⁴INFN Sezione di Padova, Via Marzolo, 8, 35131 Padova, Italy
• ¹⁵Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo, Sagamihara, Kanagawa 252-5210, Japan
• ¹⁶Center for Space Sciences and Technology, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA
• ¹⁷Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa, Yokohama, Kanagawa 221-8686, Japan
• ¹⁸Faculty of Science and Technology, Graduate School of Science and Technology, Hirosaki University, 3, Bunkyo, Hirosaki, Aomori 036-8561, Japan
• ¹⁹Department of Electronic Information Systems, Shibaura Institute of Technology, 307 Fukasaku, Minuma, Saitama 337-8570, Japan
• ²⁰School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
• ²¹National Institute of Polar Research, 10-3, Midori-cho, Tachikawa, Tokyo 190-8518, Japan
• ²²Faculty of Engineering, Division of Intelligent Systems Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama 240-8501, Japan
• ²³Faculty of Science, Shinshu University, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
• ²⁴Department of Physics, Graduate School of Science, Tokyo Metropolitan University, 1-1 Minanii-Osawa, Hachioji, Tokyo 192-0397, Japan
• ²⁵National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
• ²⁶Department of Physical Sciences, College of Science and Engineering, Aoyama Gakuin University, 5-10-1 Fuchinobe, Chuo, Sagamihara, Kanagawa 252-5258, Japan
• ²⁷Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
• ²⁸University of Pisa, Polo Fibonacci, Largo Bruno Pontecorvo, 3–56127 Pisa, Italy
• ²⁹Department of Electrical and Computer Engineering, National Institute of Technology (KOSEN), Gifu College, 2236-2 Kamimakuwa, Motosu-city, Gifu 501-0495, Japan
• ³⁰Center for Research and Exploration in Space Sciences and Technology, NASA/GSFC, Greenbelt, Maryland 20771, USA
• ³¹Department of Astronomy, University of Maryland, College Park, Maryland 20742, USA
• ³²Department of Physical Sciences, College of Science and Engineering, Ritsumeikan University, Shiga 525-8577, Japan
• ³³Faculty of Science and Engineering, Global Center for Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
• ³⁴Department of Physics and Astronomy, University of Denver, Physics Building, Room 211, 2112 East Wesley Avenue, Denver, Colorado 80208-6900, USA
• ³⁵Quantum ICT Advanced Development Center, National Institute of Information and Communications Technology, 4-2-1 Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan
• ³⁶Kavli Institute for Cosmological Physics, The University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA
• ³⁷College of Industrial Technology, Nihon University, 1-2-1 Izumi, Narashino, Chiba 275-8575, Japan
• ³⁸Graduate School of Science, Osaka Metropolitan University, Sugimoto, Sumiyoshi, Osaka 558-8585, Japan
• ³⁹Nambu Yoichiro Institute for Theoretical and Experimental Physics, Osaka Metropolitan University, Sugimoto, Sumiyoshi, Osaka 558-8585, Japan
• ⁴⁰National Institutes for Quantum and Radiation Science and Technology, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
• ⁴¹Nagoya University, Furo, Chikusa, Nagoya 464-8601, Japan
• ⁴²College of Science, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan

• ^*Contact author: yakaike@aoni.waseda.jp
• ^†Contact author: caterina.checchia2@unisi.it
• ^‡Contact author: francesco.stolzi@unisi.it