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Air shower universality in the energy range of 1014 to 1022 eV

  • A. A. Lagutin
  • R. I. RaikinEmail author
  • T. L. Serebryakova
Proceedings of the 32nd All-Russia Conference on Cosmic Rays

Abstract

Universality in the development of air showers initiated by photons and the nuclei of cosmic rays is studied over a wide range of energies (1014–1022 eV). The scaling invariance of the lateral distribution of electrons and the universal relationship between a cascade’s age and radial scaling parameter (the root-meansquare radius of the electron component) are found to remain valid up to ultimate high energies with allowance for the Landau-Pomeranchuk-Migdal effect and interaction with the geomagnetic field. Possible applications of universality for matching, reanalyzing, and verifying the validity of data from different experiments, and for reducing the effect of the nuclear interaction model’s uncertainty on estimates of the mass composition of primary cosmic rays, are discussed.

Keywords

Lateral Distribution Mass Composition Ultra High Energy Primary Nucleus Primary Photon 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Allerton Press, Inc. 2013

Authors and Affiliations

  • A. A. Lagutin
    • 1
  • R. I. Raikin
    • 1
    Email author
  • T. L. Serebryakova
    • 1
  1. 1.Altai State UniversityBarnaulRussia

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