An upper limit ot the photon fraction in cosmic rays above 1019 eV from the Pierre Auger Observatory
書誌事項
- タイトル
- An upper limit ot the photon fraction in cosmic rays above 1019 eV from the Pierre Auger Observatory
- 著者
- J. Abraham-T. Yamamoto and the Auger Collaboration
収録刊行物
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- Astroparticle Physics 27
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Astroparticle Physics 27 155-176, 2007
