Skip to main content
Log in

Application of New Approximations of the Lateral Distribution of EAS Cherenkov Light in the Atmosphere

  • Mathematical Modeling in Nuclear Technologies
  • Published:
Physics of Atomic Nuclei Aims and scope Submit manuscript

Abstract

A new knee-like approximation of the lateral distribution function (LDF) of EAS Cherenkov light in the 30–3000 TeV energy range was proposed and tested with simulated showers in our earlier studies. This approximation fits the LDFs of individual showers accurately for all types of primary particles gamma-rays, protons, and nuclei) and is suitable for reconstructing the shower core, determining the energy, and separating gamma-induced showers from hadron-induced ones. In the present study, the knee-like fitting function is used to determine the parameters of real showers detected by TAIGA-HiSCORE. It is demonstrated that this approximation characterizes properly all types of individual LDFs of experimental events in the 300–1000 TeV range. The accuracy of fit is governed by fluctuations intrinsic to the process of measurement of the Cherenkov photon density. The probability density function of these fluctuations was reconstructed and introduced into simulations. Certain useful methodical applications of the knee-like approximation are con-sidered, and the possibility of shower sorting into nuclei groups is examined. The extensive statistical coverage and detailed LDF measurement data of HiSCORE have provided the first opportunity to examine in depth the LDF of Cherenkov radiation in the 300–1000 TeV range.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. T. C. Weekes, M. F. Cawley, D. J. Fegan, et al., Astrophys. J. 342, 379 (1989).

    Article  ADS  Google Scholar 

  2. K. Meagher VERITAS Collab.), in Proceedings of the 36th Cosmic Ray International Conference, July 30–Aug. 6, 2015, The Hague, Netherlands (2016), p. 792.

    Google Scholar 

  3. J. Aleksić, J. High Energy Astrophys. 5–6, 30 (2015). doi 10.1016/j.jheap.2015.01.002

    Google Scholar 

  4. A. Karle et al., Astropart. Phys. 3, 321 (1995).

    Article  ADS  Google Scholar 

  5. M. Tluczykont et al., Astropart. Phys. 56, 42 (2014).

    Article  ADS  Google Scholar 

  6. M. Tluczykont, D. Hampf, D. Horns, et al., Adv. Space Res. 48, 1935 (2011).

    Article  ADS  Google Scholar 

  7. L. Kuzmichev (TAIGA Collab.), EPJ Web Conf. 145, 01001 (2017).

    Article  Google Scholar 

  8. N. Budnev, et al., J. Phys.: Conf. Ser. 718, 052006 (2016).

    Google Scholar 

  9. V. V. Prosin, S. F. Berezhnev, N. M. Budnev, et al., Nucl. Instrum. Methods Phys. Res., Sect. A 6, 94 (2014).

    Article  ADS  Google Scholar 

  10. V. V. Prosin, EPJ Web Conf. 99, 04002 (2015).

    Article  Google Scholar 

  11. E. Korosteleva et al., in Proceedings of the 28th Cosmic Ray International Conference, July 31–Aug. 7, 2003, Tsukuba, Japan (Universal Academy Press, Tokyo, 2003), p. 89.

    Google Scholar 

  12. J. R. Patterson and A. M. Hillas, J. Phys. G 9, 1433 (1983).

    Article  ADS  Google Scholar 

  13. S. Berezhnev et al., Nucl. Instrum. Methods Phys. Res., Sect. A 692, 98 (2012).

    Article  ADS  Google Scholar 

  14. A. Elshoukrofy, E. B. Postnikov, E. E. Korosteleva, L. G. Sveshnikova, and H. A. Motaweh, Bull. Russ. Acad. Sci.: Phys. 81, 453 (2017).

    Article  Google Scholar 

  15. A. Sh. M. Elshoukrofy et al., EPJ Web Conf. 145, 19006 (2017).

    Article  Google Scholar 

  16. A. Sh. M. Elshoukrofy, J. Phys.: Conf. Ser. 798, 012184 (2017).

    Google Scholar 

  17. J. Hoerandel, Astropart. Phys. 199, 193 (2003).

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to E. B. Postnikov.

Additional information

Original Russian Text © A.Sh.M. Elshoukrofy, E.B. Postnikov, I.I. Astapov, P.A. Bezyazeekov, V. Boreyko, A.N. Borodin, N.M. Budnev, R. Wischnewski, A.Y. Garmash, A.R. Gafarov, N.V. Gorbunov, V.M. Grebenyuk, O.A. Gress, T.I. Gress, A.A. Grinyuk, O.G. Grishin, A.N. Dyachok, A.V. Zagorodnikov, V.L. Zurbanov, A.L. Ivanova, Y.A. Kazarina, N.N. Kalmykov, N.I. Karpov, V.V. Kindin, P.S. Kirilenko, S.N. Kiryuhin, V.A. Kozhin, R.P. Kokoulin, K.G. Kompaniets, E.E. Korosteleva, E.A. Kravchenko, L.A. Kuzmichev, M. Kunnas, A. Chiavassa, A.A. Lagutin, V.V. Lenok, B.K. Lubsandorzhiev, N.B. Lubsandorzhiev, R.R. Mirgazov, R. Mirzoyan, R.D. Monkhoev, H.A. Motaweh, R. Nachtigall, E.A. Osipova, M.I. Panasyuk, L.V. Pankov, A.L. Pakhorukov, A.A. Petrukhin, V.A. Poleschuk, M. Popesku, E.G. Popova, A. Porelli, V.V. Prosin, V.S. Ptuskin, A.A. Pushnin, R.I. Raikin, G.I. Rubtsov, Ya.I. Sagan, V.S. Samoliga, L.G. Sveshnikova, Yu.A. Semeney, A.Y. Sidorenkov, A.A. Silaev, A.A. Silaev Jr., A.V. Skurikhin, M. Slunecka, A.V. Sokolov, V.P. Sulakov, V.A. Tabolenko, B.A. Tarashansky, L.G. Tkachev, A.V. Tkachenko, M. Tluczykont, O.L. Fedorov, D. Horns, C. Spiering, I.I. Yashin, 2017, published in Yadernaya Fizika i Inzhiniring, 2017, Vol. 8, No. 4, pp. 311–318.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Elshoukrofy, A.S.M., Postnikov, E.B., Astapov, I.I. et al. Application of New Approximations of the Lateral Distribution of EAS Cherenkov Light in the Atmosphere. Phys. Atom. Nuclei 81, 1294–1300 (2018). https://doi.org/10.1134/S1063778818090090

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1134/S1063778818090090

Keywords

Navigation