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Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, 2013, Issue 2(31), Pages 228–232
DOI: https://doi.org/10.14498/vsgtu1149 (Mi vsgtu1149) 		 
Procedings of the 3nd International Conference "Mathematical Physics and its Applications"
High-energy Physics and Cosmology

Photons as carriers of ultra-high energy in cosmic space

E. A. Buyanovaa, L. S. Molchatskyb

a Samara State University, Samara, 443011, Russia
b Samara State Academy of Social Sciences and Humanities, Samara, 443099, Russia
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DOI: https://doi.org/10.14498/vsgtu1149
Abstract: Absorbing process of ultrahigh-energy gamma-quanta in a cosmic space is investigated. It is shown that the main absorbing mechanism is the reactions arising at collisions of cosmic-ray photons with microwave and radio background ones. Estimate of the mean free path of a photon for different energies gives evidence that gamma-quanta with energies $E > 10^{19}$ eV running from Active Galactic Nuclei seem to reach the Earth vicinity. This result is in agreement with the recent observations of extensive air shower array experiments realized by AGASA and Yakutsk.
Keywords: cosmic rays, ultrahigh-energy photons.
Original article submitted 05/XI/2012
revision submitted – 27/III/2013
Bibliographic databases:
Document Type: Proceedings
UDC: 539.12.01
MSC: 83F05
Language: Russian
Citation: E. A. Buyanova, L. S. Molchatsky, “Photons as carriers of ultra-high energy in cosmic space”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 2(31) (2013), 228–232
Citation in format AMSBIB
\Bibitem{BuyMol13}
\by E.~A.~Buyanova, L.~S.~Molchatsky
\paper Photons as carriers of ultra-high energy in cosmic space
\jour Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.]
\yr 2013
\vol 2(31)
\pages 228--232
\mathnet{http://mi.mathnet.ru/vsgtu1149}
\crossref{https://doi.org/10.14498/vsgtu1149}
\elib{https://elibrary.ru/item.asp?id=20236361}
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