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Initial performance of the Radar Echo Telescope for Cosmic Rays: Pathfinder for a next-generation neutrino detector

P. Allison1, J. Beatty1, D. Besson2, A. Connolly1, A. Cummings3, C. Deaconu4, S. De Kockere5, K. D. de Vries5, D. Frikken1 et al. (Radar Echo Telescope)

D. Frikken1, C. Hast6, E. Huesca Santiago5, C.-Y. Kuo7, A. Kyriacou2, U. A. Latif5, J. Loonen5, I. Loudon8,9, V. Lukic5, C. McLennan2, K. Mulrey9, J. Nam7, K. Nivedita9, A. Nozdrina2, E. Oberla4, S. Prohira2,*, J. P. Ralston2, M. F. H. Seikh2, R. S. Stanley5, J. Stoffels5, S. Toscano8, D. Van den Broeck5,10, N. van Eijndhoven5, S. Wissel3, and R. W. Young2 (Radar Echo Telescope)

  • *Contact author: prohira@ku.edu
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Phys. Rev. D 114, 082006 – Published 26 October, 2026

DOI: https://doi.org/10.1103/c2x7-6gq7

Abstract

The Radar Echo Telescope for Cosmic Rays, a pathfinder instrument for the radar echo method of ultrahigh energy neutrino detection, was initially deployed near Summit Station, Greenland, in May 2023. After a four-week commissioning period, nine days of data were taken before the instrument went offline. In this article, we describe the instrument as it was deployed, and the initial performance of the detector. We show that the technical aspects of running a radar-based particle cascade detector in the ice have been demonstrated. Analysis of the 2023 data informed improvements that were incorporated into the May–August 2024 deployment, which has just concluded at time of writing. Results from the 2024 run will be presented in forthcoming publications.

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Phys. Rev. D 114, 082006– Published 26 October, 2026
  • Received 30 September 2024
  • Accepted 29 June 2026
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