P o S ( I C R C 2 0 1 5 ) 0 7 0 Cosmic ray intensity variations in the 24 th solar cycle observed by LAAS experiments

Naoki Wada a∗, Atsushi Iyono †b, Hiroki Matsumoto c, Kazuhide Okei c, Shuhei Tsuji c, Soji Ohara d,Nobuaki Ochi e, Nobusuke Takahashi f , Takao Nakatsuka g, Isao Yamamoto h and Saya Yamamoto a a Graduate School of Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-city, Okayama 700-0005, Japan b Dept. of Fundamental Science, Faculty of Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-city, Okayama 700-0005, Japan c Kawasaki Medical School, 577 Matsushima, Kurashiki-city, Okayama 701-0192, Japan dDepartment of Informatics, Naragakuen University, Ikomagun-Nara, 6368503, Japan eFaculty of Business Administration, Toyo University, 5-28-20 Hakusan, Bunkyo-ku, Tokyo 112-8606, Japan f Department of Advanced Physics, Faculty of Science and Technology, Hirosaki University, 1 Bunkyo-cho, Hirosaki-shi, Aomori-ken,036-8560, Japan g Okayama Shoka University, 2-10-1Tsushima Kyomachi, Kita-ku, Okayama-city ,Okayama 700-8601, Japan hDepartment of Information and Computer Engineering, Faculty of Engineering, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-city, Okayama 700-0005, Japan E-mail: iyono@das.ous.ac.jp , h.matsumoto@med.kawasaki-m.ac.jp , okei@med.kawasaki-m.ac.jp , tsuji@med.kawasaki-m.ac.jp , ohara@nara-su.ac.jp , ochi@hikarigai.net , taka@cc.hirosaki-u.ac.jp , nakatuka@olive.plala.or.jp , i-yama@zpost.plala.or.jp , s15sm08@ous.jp