The chemical composition of primary cosmic rays in the energy range ~10^15 eV from muon energy spectrum with the Okayama muon telescope
H. MATSUMOTO, A. IYONO, M. MASUDA, T. WADA, I. YAMAMOTO, S. TSUJI, K. OKEI, T. NAKATSUKA, Y. YAMASHITA AND N. OCHI
宇宙線
Proceedings of the 30th International Cosmic Ray Conference
Universidad Nacional Autónoma de México
HE
4
39
42