Bulletin of the American Physical Society
2023 Annual Meeting of the APS Mid-Atlantic Section
Friday–Sunday, November 3–5, 2023; University of Delaware, Newark, Delaware
Session H01: Radio Detection of Cosmic Particles
11:00 AM–12:36 PM,
Sunday, November 5, 2023
University of Delaware
Room: Gore 103
Chair: Sasha Novikov
Abstract: H01.00006 : Using Convolutional Neural Networks (CNNs) to Search for Cosmic-Ray Radio Events at the IceTop Enhancement Prototype Station*
12:24 PM–12:36 PM
Presenter:
Abdul Rehman
(University of Delaware)
Authors:
Abdul Rehman
(University of Delaware)
Alan Coleman
(Department of Physics and Astronomy, Uppsala University, Uppsala SE-752 37, Sweden)
Frank G Schroeder
(University of Delaware)
IceTop or the surface component of IceCube neutrino observatory, which is capable of detecting cosmic rays in the PeV to EeV range is planned to be enhanced in the coming years. A prototype station of the surface enhancement, consisting of eight scintillator panels and three radio antennas, was installed in 2020. We trained CNNs on 1µs long background waveforms collected from these antennas in the 60-350 MHz frequency range. For signal waveforms, we simulated radio pulses from air showers using the CoREAS Monte Carlo software.
Once trained, we utilize the CNNs to search for air-shower radio pulses. In a dataset spanning about four months, we identified 176 events; roughly three times as many radio events than with the traditional event search method. Moreover, all identified events are found to be in agreement with the standard IceTop reconstructions. This demonstrates the effectiveness of our CNN-based approach in enhancing the detection and analysis of cosmic-ray radio signals, even in the presence of challenging background noise.
*This research was supported in part through the U.S. National Science Foundation-EPSCoR (RII Track-2 FEC, award #2019597), NASA EPSCoR awards 80NSSC20M0138, and 80NSSC22M0222.This research was also supported in part through the use of Data Science Institute (DSI) computational resources at the University of Delaware.
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