Estimate of the Mass Composition of Ultrahigh Energy Cosmic Rays
It 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 co...
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28-07-2005
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| Abstract | It 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. |
|---|---|
| AbstractList | It 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. |
| Author | Efremov, N. N Gerasimova, N. S Struchkov, G. G Makarov, I. T Mikhailov, A. A Nikolayeva, G. V |
| Author_xml | – sequence: 1 givenname: A. A surname: Mikhailov fullname: Mikhailov, A. A – sequence: 2 givenname: N. N surname: Efremov fullname: Efremov, N. N – sequence: 3 givenname: N. S surname: Gerasimova fullname: Gerasimova, N. S – sequence: 4 givenname: I. T surname: Makarov fullname: Makarov, I. T – sequence: 5 givenname: G. V surname: Nikolayeva fullname: Nikolayeva, G. V – sequence: 6 givenname: G. G surname: Struchkov fullname: Struchkov, G. G |
| BackLink | https://doi.org/10.48550/arXiv.astro-ph/0507681$$DView paper in arXiv |
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| Snippet | It 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... |
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| SubjectTerms | Physics - Astrophysics of Galaxies Physics - Cosmology and Nongalactic Astrophysics Physics - Earth and Planetary Astrophysics Physics - High Energy Astrophysical Phenomena Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics |
| Title | Estimate of the Mass Composition of Ultrahigh Energy Cosmic Rays |
| URI | https://arxiv.org/abs/astro-ph/0507681 |
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