PoS - Proceedings of Science
Volume 301 - 35th International Cosmic Ray Conference (ICRC2017) - Session Cosmic-Ray Indirect. CRI- theory
The effect of geomagnetic field on radio signal patterns from cosmic ray air showers
M. Sabouhi* and G. Rastegarzadeh
Full text: pdf
Pre-published on: August 16, 2017
Published on: August 03, 2018
Different type of mechanisms are involved in creation and propagation of radio signals from cosmic ray air showers. The geomagnetic origin is one of such procedures which is very important especially in low frequency band radio studies. Based on CORSIKA and CoREAS code, we investigate the influence of the Earth magnetic field parameter on filtered peak radio amplitude patterns in 32-64 MHz frequency band using a specially developed computer code. Simulated air showers are from Proton and Iron primary particles with $10^{17}$ eV initial energy. We investigate vertical ($\theta$= $0^{0}$) and inclined ($\theta$= $60^{0}$) cosmic rays with $\phi$= $0^{0}$ . It is found that radio signal patterns from inclined cosmic rays are heavily dependent on the Earth magnetic field values and as a result of that some radio patterns change fundamentally as we move from a location in the Southern to a new place in the Northern hemisphere. We have chosen Pierre Auger Observatory and a location where we hope to have a new radio array in near future. Analyzing these patterns can clearly confirm the importance and influence of the Earth magnetic field parameter on the radio signal patterns from cosmic ray air showers.
DOI: https://doi.org/10.22323/1.301.0568
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