Estimate of the Mass Composition of Ultrahigh Energy Cosmic Rays

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dc.creatorMikhailov, A. A.
dc.creatorEfremov, N. N.
dc.creatorGerasimova, N. S.
dc.creatorMakarov, I. T.
dc.creatorNikolayeva, G. V.
dc.creatorStruchkov, G. G.
dc.date2005-07-28
dc.date.accessioned2026-07-07T02:18:21Z
dc.date.available2026-07-07T02:18:21Z
dc.descriptionIt is proposed a new approach for estimating the composition of cosmic rays. It is found that the zenith angle distributions and muon components of EAS for energies E>10^19 eV and E>4.10^19 eV differ from each other. It is shown that the cosmic rays above E>4.10^19 eV is heavier than the cosmic rays at energy E~ 10^19 eV. According to our estimation the SUGAR array detected 8 showers above 10^20 eV. It is concluded that no sign of Greisen-Zatsepin-Kuzmin (GZK) cut off in the spectrum of cosmic rays and all cosmic rays are galactic.
dc.description4 pages, 4 figures, the paper will be publish in Proc. ICRC, Pune, India, 2005
dc.identifierhttps://arxiv.org/abs/astro-ph/0507681
dc.identifierhttp://arxiv.org/abs/astro-ph/0507681
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/9455
dc.subjectAstrophysics
dc.titleEstimate of the Mass Composition of Ultrahigh Energy Cosmic Rays
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