Long-lived neutral-kaon flux measurement for the KOTO experiment

1Department of Physics, Kyoto University, Kyoto 606-8502, Japan 2Department of Physics, Korea University, Seoul 136-713, Republic of Korea 3Department of Physics, Osaka University, Osaka 560-0043, Japan 4Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA 5Department of Physics, Arizona State University, Tempe, AZ 85287, USA 6Department of Physics, National Taiwan University, Taipei, Taiwan 10617, Republic of China 7High Energy Accelerator Research Organization (KEK), Ibaraki 305-0801, Japan 8Division of Science Education, Chonbuk National University, Jeonju 561-756, Republic of Korea 9Department of Physics, Jeju National University, Jeju 690-756, Republic of Korea 10Laboratory of Nuclear Problems, Joint Institute for Nuclear Researches, Dubna, Moscow reg. 141980,