Implementing a Low-Threshold Analysis with the Askaryan Radio Array (ARA)

The Askaryan Radio Array (ARA) is a ground-based radio detector at the South Pole designed to capture Askaryan emission from ultra-high energy neutrinos interacting within the Antarctic ice. The newest ARA station has been equipped with a phased array trigger, in which radio signals in multiple ante...

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Bibliographic Details
Main Authors: Hughes, K, Allison, P, Archambault, S, Beatty, JJ, Beheler-Amass, M, Besson, DZ, Beydler, M, Chen, CH, Chen, YC, Chen, P, Clark, BA, Clay, W, Connolly, A, Cremonesi, L, Dasgupta, P, Davies, J, de Kockere, S, de Vries, KD, Deaconu, C, DuVernois, MA, Flaherty, J, Friedman, E, Gaior, R, Hanson, J, Hanson, K, Harty, N, Hendricks, B, Hoffman, KD, Hokanson-Fasig, B, Hong, E, Hsu, SY, Huang, JJ, Huang, MH, Ishihara, A, Karle, A, Kelley, JL, Khandelwal, R, Kim, KC, Kim, MC, Kravchenko, I, Krebs, R, Ku, Y, Kuo, CY, Kurusu, K, Landsman, H, Latif, UA, Laundrie, A, Liu, TC, Lu, MY, Madison, B, Mase, K, Meures, T, Nam, J, Nichol, RJ, Nir, G, Novikov, A, Nozdrina, A, Oberla, E, ÓMurchadha, A, Osborn, J, Pan, Y, Pfendner, C, Punsuebsay, N, Roth, J, Sandstrom, P, Seckel, D, Shiao, YS, Shultz, A, Smith, D, Toscano, S, Torres, J, Touart, J, van Eijndhoven, N, Varner, GS, Vieregg, A, Wang, MZ, Wang, SH, Wang, YH, Wissel, SA, Yoshida, S, Young, R
Format: Report
Language:English
Published: Proceedings of Science 2022
Subjects:
Antarctic
The Antarctic
South Pole
Antarc*
South pole
Online Access:https://discovery.ucl.ac.uk/id/eprint/10162516/1/ICRC2021_1153.pdf
https://discovery.ucl.ac.uk/id/eprint/10162516/
Description
Summary:The Askaryan Radio Array (ARA) is a ground-based radio detector at the South Pole designed to capture Askaryan emission from ultra-high energy neutrinos interacting within the Antarctic ice. The newest ARA station has been equipped with a phased array trigger, in which radio signals in multiple antennas are summed in predetermined directions prior to the trigger. In this way, impulsive signals add coherently, while noise likely does not, allowing the trigger threshold to be lower than a traditional ARA station. Early results on just a fraction of available data from this new system prove the feasibility of a low-threshold analysis.

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