The Radar Echo Telescope for Cosmic Rays: Pathfinder experiment for a next-generation neutrino observatory

Prohira, S.; de Vries, K.  D.; Allison, P.; Beatty, J.; Besson, D.; Connolly, A.; Dasgupta, P.; Deaconu, C.; De Kockere, S.; Frikken, D.; Hast, C.; Santiago, E.  Huesca; Kuo, C. -Y.; Latif, U.  A.; Lukic, V.; Meures, T.; Mulrey, K.; Nam, J.; Nozdrina, A.; Oberla, E.; Ralston, J.  P.; Sbrocco, C.; Stanley, R.  S.; Torres, J.; Toscano, S.; Van den Broeck, D.; van Eijndhoven, N.; Wissel, S.

doi:10.1103/physrevd.104.102006

The Radar Echo Telescope for Cosmic Rays: Pathfinder experiment for a next-generation neutrino observatory

Journal Article · Tue Nov 23 00:00:00 EST 2021 · Physical Review. D.

DOI:https://doi.org/10.1103/physrevd.104.102006· OSTI ID:1868325

; de Vries, K. D.; Allison, P.; Beatty, J.; Besson, D.; Connolly, A.; Dasgupta, P.; Deaconu, C.; De Kockere, S.; Frikken, D.; Hast, C.; Santiago, E. Huesca; Kuo, C. -Y.; Latif, U. A.; Lukic, V.; Meures, T.; Mulrey, K.; Nam, J.; Nozdrina, A.; Oberla, E. more »

The Radar Echo Telescope for Cosmic Rays (RET-CR) is a recently funded experiment designed to detect the englacial cascade of a cosmic ray-initiated air shower via in-ice radar, toward the goal of a full-scale, next-generation experiment to detect ultrahigh energy neutrinos in polar ice. For cosmic rays with a primary energy greater than 10 PeV, roughly 10% of an air shower’s energy reaches the surface of a high elevation ice sheet (≳2 ˙km) concentrated into a radius of roughly 10 cm. This penetrating shower core creates an in-ice cascade orders of magnitude more dense than the preceding in-air cascade. Additionally, this dense cascade can be detected via the radar echo technique, where transmitted radio waves are reflected from the ionization deposit left in the wake of the cascade. RET-CR will test the radar echo method in nature, with the in-ice cascade of a cosmic ray-initiated air shower serving as a test beam. In this work, we present the projected event rate and sensitivity based upon a three part simulation using corsika, geant4, and radioscatter. RET-CR expects ~1 radar echo event per day.

View Accepted Manuscript (DOE)

Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Contributing Organization:: Radar Echo Telescope Collaboration

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1868325

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 10 Vol. 104; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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