An upper limit to the photon fraction in cosmic rays above 10 19 eV from the Pierre Auger Observatory
書誌事項
- タイトル
- An upper limit to the photon fraction in cosmic rays above 10 19 eV from the Pierre Auger Observatory
- 著者
- J. Abraham, et. al.
収録刊行物
-
- Astroparticle Physics 27
-
Astroparticle Physics 27 155-176, 2007