Radar reflection off extensive air showers
J. Stasielak, S. Baur, M. Bertaina, J. Bl\"umer, A. Chiavassa, R., Engel, A. Haungs, T. Huege, K.-H. Kampert, H. Klages, M. Kleifges, O., Kr\"omer, M. Ludwig, S. Mathys, P. Neunteufel, J. Pekala, J. Rautenberg, M., Riegel, M. Roth, F. Salamida, H. Schieler, R. \v{S}m\'ida
TL;DR
This paper explores the feasibility of detecting extensive air showers using radar by simulating radio wave reflections off plasma generated by the showers, analyzing signal characteristics like frequency upshift and power received.
Contribution
It introduces a simulation framework for radar detection of air showers considering various geometries and assesses the potential effectiveness of the method.
Findings
Radar echoes exhibit frequency upshift.
Reflected power depends on shower geometry.
Detection feasibility is evaluated through simulation.
Abstract
We investigate the possibility of detecting extensive air showers by the radar technique. Considering a bistatic radar system and different shower geometries, we simulate reflection of radio waves off the static plasma produced by the shower in the air. Using the Thomson cross-section for radio wave reflection, we obtain the time evolution of the signal received by the antennas. The frequency upshift of the radar echo and the power received are studied to verify the feasibility of the radar detection technique.
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