PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Neutrino Astronomy & Physics (NU)
Sensitivity of BEACON to Point Sources of Ultrahigh Energy Neutrinos
A. Zeolla*, J. Alvarez-Muñiz, A. Cummings, C. Deaconu, V. Decoene, K. Hughes, R. Krebs, A. Ludwig, K. Mulrey, E. Oberla, S. Prohira, A. Romero-Wolf, H. Schoorlemmer, D. Southall, A.G. Vieregg, S. Wissel, E. Zas and W.C. Jr.
Full text: pdf
Pre-published on: July 25, 2023
Published on: September 27, 2024
Abstract
The Beamforming Elevated Array for COsmic Neutrinos (BEACON) is a novel detector concept
designed to measure the tau neutrino flux above 100 PeV. BEACON consists of multiple radio
interferometers placed on mountaintops which search for the radio emission of upgoing extensive
air showers created when tau neutrinos skim the Earth. Each interferometer consists of O(10) low
cost, dual-polarized dipole antennas operating in a phased array, which allows for lower trigger
thresholds and the directional rejection of noise. A full-scale BEACON will consist of O(1000)
independent antenna arrays and is predicted to be sensitive to the diffuse flux of cosmogenic
neutrinos. A Monte Carlo simulation utilizing models of air shower radio emission and the
BEACON antennas was developed to predict the sensitivity of BEACON to point sources of tau
neutrinos. Any number and configuration of BEACON stations can be simulated. Here, we
present the predicted point source sensitivity of a 1,000 station BEACON and compare it to the
expected fluence from different possible neutrino sources.
DOI: https://doi.org/10.22323/1.444.1020
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