Macroscopic approach to the radar echo scatter from high-energy particle cascades

To probe the cosmic particle flux at the highest energies, large volumes of dense material like ice have to be monitored. This can be achieved by exploiting the radio signal. In this work, we provide a macroscopic model to predict the radar echo signatures found when a radio signal is reflected from...

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Bibliographic Details
Published in:arXiv.org 2024-06
Main Authors: E Huesca Santiago, de Vries, K D, Allison, P, Beatty, J, Besson, D, Connolly, A, Cummings, A, Deaconu, C, De Kockere, S, Frikken, D, Hast, C, C -Y Kuo, Kyriacou, A, Latif, U A, Loudon, I, Lukic, V, McLennan, C, Mulrey, K, Nam, J, Nivedita, K, Nozdrina, A, Oberla, E, Prohira, S, Ralston, J P, Seikh, M F H, Stanley, R S, Stoffels, J, Toscano, S, Van den Broeck, D, N van Eijndhoven, Wissel, S
Format: Article
Language:English
Subjects:
Cosmic rays
Echo scatter
Macroscopic models
Neutrinos
Radar echoes
Radar signatures
Radio signals
Scattering
Signal strength
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Summary:To probe the cosmic particle flux at the highest energies, large volumes of dense material like ice have to be monitored. This can be achieved by exploiting the radio signal. In this work, we provide a macroscopic model to predict the radar echo signatures found when a radio signal is reflected from a cosmic-ray or neutrino-induced particle cascade propagating in a dense medium like ice. Its macroscopic nature allows for an energy independent run-time, taking less than 10 s for simulating a single scatter event. As a first application, we discuss basic signal properties and simulate the expected signal for the T-576 beam-test experiment at the Stanford Linear Accelerator Center. We find good signal strength agreement with the only observed radar echo from a high-energy particle cascade to date.
ISSN:2331-8422
DOI:10.48550/arxiv.2310.06731