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Studying 27-Day Variations in the GCR Flux, Based on PAMELA Measurements

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The PAMELA and ARINA spectrometers installed on board the Resurs-DK1 spacecraft measure different components of the cosmic ray flux in a broad range of energies, including the interval from 30 MeV to tens of GeV, with high resolution during the period of June, 2006, to January, 2016. The results from these measurements allow us to obtain new information on the characteristics of variations in Galactic cosmic rays (GCRs), including their period, amplitude, and dependence on particle energy. This work presents the first preliminary results of this investigation, obtained via wavelet analysis of a temporal series of proton and helium nucleus fluxes.

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FUNDING

This work was supported by the Russian Foundation for Basic Research, project no. 18-02-00582. R. Modzelewska is grateful to the Poland National Scientific Center, project no. 2017/01/X/ST9/01023.

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Authors and Affiliations

  1. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409, Moscow, Russia

    I. K. Troitskaya, A. G. Mayorov, V. V. Malakhov & S. A. Rodenko

  2. Institute of Mathematics and Physics, Siedlce University of Natural Sciences and Humanities, 08-110 , Siedlce, Poland

    R. Modzelewska

Authors
  1. I. K. Troitskaya
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  2. A. G. Mayorov
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  3. V. V. Malakhov
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  4. R. Modzelewska
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  5. S. A. Rodenko
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Corresponding author

Correspondence to S. A. Rodenko.

Additional information

Translated by E. Smirnova

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Troitskaya, I.K., Mayorov, A.G., Malakhov, V.V. et al. Studying 27-Day Variations in the GCR Flux, Based on PAMELA Measurements. Bull. Russ. Acad. Sci. Phys. 83, 576–578 (2019). https://doi.org/10.3103/S1062873819050381

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  • DOI: https://doi.org/10.3103/S1062873819050381

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