Momentum Spectrum of Muons Associated with Cosmic-Ray Air Shower at Sea Level Tsuki, S. ; Wada, T. ; Ochi, N. ; Iyono, A. ; Lan, S. ; Okita, M. ; Takahashi, N. ; Okei, K. ; Yamashita, Y. ; Katayama, T. ; Tokiwa, M. ; Liang, S. ; Matsumoto, H. ; Morita, T. ; Nakatsuka, T. ; Yamamoto, I. Abstract Publication: 29th International Cosmic Ray Conference (ICRC29), Volume 6 Pub Date: 2005 Bibcode: 2005ICRC....6..213T