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Results from investigations at the Tien Shan Mountain Cosmic Ray Station into the proton-air inelastic interaction cross-section at primary cosmic ray energies of 0.5–5 PeV

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

Abstract

This work presents an analysis of the experimental data from measurements performed at the Tien Shan Mountain Cosmic Ray Station of various components of extensive air showers produced by primary cosmic rays with energies of 0.5 to 5 PeV. Based on a comparison with model calculations, it is inferred that the cross section of inelastic interaction between protons and air nuclei varies with energy. It is concluded that as the primary cosmic ray energy increases by an order of magnitude in the range of 0.2 TeV to 5 PeV, the interaction cross section grows by 7–9%. This estimate agrees with calculations performed using a new version of the QGSJET model (QGSJET-II-0.4) based on recent Large Hadron Collider (LHC) data.

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991, Russia

    N. M. Nesterova

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  1. N. M. Nesterova
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Correspondence to N. M. Nesterova.

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Original Russian Text © N.M. Nesterova, 2013, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2013, Vol. 77, No. 5, pp. 698–700.

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Nesterova, N.M. Results from investigations at the Tien Shan Mountain Cosmic Ray Station into the proton-air inelastic interaction cross-section at primary cosmic ray energies of 0.5–5 PeV. Bull. Russ. Acad. Sci. Phys. 77, 629–631 (2013). https://doi.org/10.3103/S1062873813050407

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  • DOI: https://doi.org/10.3103/S1062873813050407

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