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An upper limit to the proton fraction in cosmic rays above 10.sup.19./sup. eV from the Pierre Auger Observatory

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    0093653 - FZÚ 2008 RIV NL eng J - Journal Article
    Abraham, J. - Aglietta, M. - Aguirre, C. - Boháčová, Martina - Hrabovský, Miroslav - Mandát, Dušan - Nosek, D. - Nožka, Libor - Palatka, Miroslav - Pech, Miroslav - Prouza, Michael - Řídký, Jan - Schovánek, Petr - Šmída, Radomír - Trávníček, Petr
    An upper limit to the proton fraction in cosmic rays above 1019 eV from the Pierre Auger Observatory.
    [Horní limit podílu fotonů v kosmickém záření nad 1019eV z observatoře Piera Augera.]
    Astroparticle Physics. Roč. 27, - (2007), s. 155-168. ISSN 0927-6505. E-ISSN 1873-2852
    R&D Projects: GA MŠMT LA 134; GA MŠMT LN00A006; GA MŠMT LC527
    Institutional research plan: CEZ:AV0Z10100502
    Keywords : cosmic rays * ultra-high energy photons * exctensive air showers * Pierre Auger Observatory
    Subject RIV: BF - Elementary Particles and High Energy Physics
    Impact factor: 3.483, year: 2007

    An upper limit of 16% (at 95% c.l.) is derived for the photon fraction in cosmic rays with energies greater then 1019 eV, based on observations of the depth of shower maximum performed with the hybrid detector for Pierre Auger Observatory

    Z pozorování parametr Xmay je odvozen horní limit na počet vysokoenergetických fotonů v kosmickém záření o energii nad 1019 eV
    Permanent Link: http://hdl.handle.net/11104/0153645

     
     
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