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

Hughes, Kaeli Autumn; Allison, P.; Archambault, S.; Beatty, J.J.; Beheler-Amass, M.; Besson, D.Z.; Beydler, M.; Chen, C.H.; Chen, P.; Chen, Y.C.; Clark, B.A.; Clay, W.; Connolly, A.; Cremonesi, L.; Dasgupta, P.; Davies, J.; De Kockere, S.; de Vries, K.D.; Deaconu, C.; DuVernois, M.A.; Flaherty, J.; Friedman, E.; Gaior, R.; Hanson, J.C.; Hanson, K.; Harty, N.; Hendricks, B.; Hoffman, K.D.; Hokanson-Fasig, B.; Hong, E.; Hsu, S.Y.; Huang, J.J.; Huang, M.-H. A.; Hughes, K.; Ishihara, A.; Karle, A.; Kelley, J.L.; Khandelwal, R.; Kim, K.-C.; Kim, M.-C.; Krebs, R.; Kravchenko, I.; Ku, Y.; Kuo, C.Y.; Kurusu, K.; Latif, U.A.; Laundrie, A.; Landsman, H.; Lu, M.-Y.; Liu, T.-C.; Madison, B.; Mase, K.; Meures, T.; Nam, J.; Novikov, A.; Nichol, R.J.; Nir, G.; Nozdrina, A.; Oberla, E.; ÓMurchadha, A.; Osborn, J.; Pan, Y.; Pfendner, C.; Punsuebsay, N.; Roth, J.; Sandstrom, P.; Seckel, D.; Shiao, Y.-S.; Shultz, A.; Smith, D. J.B.; Torres, J.; Toscano, S.; Touart, J.; van Eijndhoven, N.; Varner, G.S.; Vieregg, A.; Wang, M.-Z.; Wang, S.-H.; Wang, Y.H.; Wissel, S.A.; Xie, C.; Young, R. D.; Yoshida, S.

doi:10.22323/1.395.1153

Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - NU - Neutrinos & Muons

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

K.A. Hughes*, P. Allison, S. Archambault, J.J. Beatty, M. Beheler-Amass, D.Z. Besson, M. Beydler, C.H. Chen, P. Chen, Y.C. Chen, B.A. Clark, W. Clay, A. Connolly, L. Cremonesi, P. Dasgupta, J. Davies, S. De Kockere, K.D. de Vries, C. Deaconu, M.A. DuVernois, J. Flaherty, E. Friedman, R. Gaior, J.C. Hanson, K. Hanson, N. Harty, B. Hendricks, K.D. Hoffman, B. Hokanson-Fasig, E. Hong, S.Y. Hsu, J.J. Huang, M.H.A. Huang, K. Hughes, A. Ishihara, A. Karle, J.L. Kelley, R. Khandelwal, K.C. Kim, M.C. Kim, R. Krebs, I. Kravchenko, Y. Ku, C.Y. Kuo, K. Kurusu, U.A. Latif, A. Laundrie, H. Landsman, M.Y. Lu, T.C. Liu, B. Madison, K. Mase, T. Meures, J. Nam, A. Novikov, R.J. Nichol, G. Nir, A. Nozdrina, E. Oberla, A. ÓMurchadha, J. Osborn, Y. Pan, C. Pfendner, N. Punsuebsay, J. Roth, P. Sandstrom, D. Seckel, Y.S. Shiao, A. Shultz, D.J.B. Smith, J. Torres, S. Toscano, J. Touart, N. van Eijndhoven, G.S. Varner, A. Vieregg, M.Z. Wang, S.H. Wang, Y.H. Wang, S.A. Wissel, C. Xie, R.D. Young and S. Yoshidaet al. (click to show)

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Pre-published on: July 31, 2021

Published on: March 18, 2022

Abstract

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.

DOI: https://doi.org/10.22323/1.395.1153

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