Fluorescence in air with moisture excited by electrons of 0.85MeV and the effects to the energy determination of ultrahigh-energy cosmic rays
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概要
- 論文の詳細を見る
Photon yields in air with moisture excited by an electron using a <90>^Srβ source are compared with those in dry air. Water vapor considerably reduce the yields, however, effects to the energy determination of ultrahigh-energy cosmic rays are negligible to the measurements at high altitudes like HiRes, TA and Auger sites. Though the effects around the shower maximum may be small for most showers observed from space like JEM-EUSO, the reduction of photon yields due to water vapor must be taken into account to interpret the longitudinal developments of extensive air showers near sea surface (like neutrino induced showers).
- 福井工業大学の論文
著者
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WATANABE Y.
Department of Dental Materials Science and Oral Health Science Center, Tokyo Dental College
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Kobayakawa K.
Faculty Of Human Development Kobe University
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Ando K.
Department of Applied Physics and Chemistry, Fukui University of Technology
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Nagano M.
Fukui Univ. Technol.
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Nagano M.
Department of Space Communication Engineering
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Sakaki N.
Department of Physics and Mathematics, Aoyama Gakuin University
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Nagano M.
Department Of Internal Medicine Aoto Hospital Jikei University School Of Medicine Tokyo Japan
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Sakaki N.
Department Of Physics And Mathematics Aoyama Gakuin University
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Watanabe Y.
Department of Animal Hucsbndry, Faculty of Agriculture, Tohoku University
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