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Inverse problem for the equation of ultrahigh energy cosmic ray transport

  • Proceedings of the 32nd All-Russia Conference on Cosmic Rays
  • Published:
Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The propagation of ultrahigh energy nuclei in an expanding universe filled with background electromagnetic radiation is considered. A numerical method for solving the inverse problem for the equation of cosmic ray transport is developed. The method allows us to determine a source spectrum from the cosmic ray spectrum observed near Earth. The spectra of injected protons and nuclei of iron were found in extragalactic sources under the assumption that these types of particles predominate in the composition of the sources. The method of calculation is illustrated using observational data obtained in the Auger and Telescope Array experiments.

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Authors and Affiliations

  1. Pushkov Institute of Terrestrial Magnetism, the Ionosphere, and Radiowave Propagation, Russian Academy of Sciences, Troitsk, 142190, Russia

    V. S. Ptuskin, S. I. Rogovaya, V. N. Zirakashvili & E. G. Klepach

Authors
  1. V. S. Ptuskin
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  2. S. I. Rogovaya
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  3. V. N. Zirakashvili
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  4. E. G. Klepach
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Corresponding author

Correspondence to V. S. Ptuskin.

Additional information

Original Russian Text © V.S. Ptuskin, S.I. Rogovaya, V.N. Zirakashvili, E.G. Klepach, 2013, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2013, Vol. 77, No. 5, pp. 685–687.

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Ptuskin, V.S., Rogovaya, S.I., Zirakashvili, V.N. et al. Inverse problem for the equation of ultrahigh energy cosmic ray transport. Bull. Russ. Acad. Sci. Phys. 77, 616–618 (2013). https://doi.org/10.3103/S1062873813050468

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  • DOI: https://doi.org/10.3103/S1062873813050468

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