Radio emissions of extensive air showers with energies higher than 5 × 1018 eV at a frequency of 32 MHz according to measurements at the Yakutsk array


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Results obtained from the measuring the radio emissions from extensive air shower particles with energies higher than 5 × 1018 eV at a frequency of 32 MHz are presented. A generalized formula is derived to describe the spatial distribution of radio emissions using the main EAS characteristics: energy Е0 and depth of maximum development of shower Хmax. The approximating function describes the data at average and large distances from a shower axis. The ratio of signal amplitudes at distances of 175 m and 725 m is used to determine Хmax for an average shower with an energy of 1.54 × 1019 eV, which in our case is equal to Хmax = 769 ± 34 g cm−2. Within the experimental error, the result for Хmax is consistent with data obtained using EAS Cherenkov light.

Sobre autores

S. Knurenko

Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch

Email: igor.petrov@ikfia.sbras.ru
Rússia, Yakutsk, 677980

V. Kozlov

Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch

Email: igor.petrov@ikfia.sbras.ru
Rússia, Yakutsk, 677980

Z. Petrov

Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch

Email: igor.petrov@ikfia.sbras.ru
Rússia, Yakutsk, 677980

I. Petrov

Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch

Autor responsável pela correspondência
Email: igor.petrov@ikfia.sbras.ru
Rússia, Yakutsk, 677980

M. Pravdin

Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch

Email: igor.petrov@ikfia.sbras.ru
Rússia, Yakutsk, 677980

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