Benefits of Looking for Coincident Events, Taus, and Muons with the Askaryan Radio Array
Presented by
A. Bishop*,
A. Cummings,
R. Krebs and
W. Luszczak on behalf of
on behalf of the ARA Collaboration,
S. Ali,
P. Allison, S. Archambault, J.J. Beatty, D.Z. Besson, A. Bishop, P. Chen, Y.C. Chen, B.A. Clark, W. Clay, A. Connolly, K. Couberly, L. Cremonesi, A.C. Cummings, P. Dasgupta, R. Debolt, S. De Kockere, K.D. de Vries, C. Deaconu, M. A, J. Flaherty, E. Friedman, R. Gaior, P. Giri, J. Hanson, N. Harty, B. Hendricks, K.D. Hoffman, J.J. Huang, M.H.A. Huang, K. Hughes, A. Ishihara, A. Karle, J.L. Kelley, K.C. Kim, M.C. Kim, I. Kravchenko, R. Krebs, C.Y. Kuo, K. Kurusu, U.A. Latif, C.H. Liu, T.C. Liu, W. Luszczak, K. Mase, M.S. Muzio, J. Nam, R.J. Nichol, A. Novikov, A. Nozdrina, E. Oberla, Y. Pan, C. Pfendner, N. Punsuebsay, J. Roth, A. Salcedo-Gomez, D. Seckel, M.F.H. Seikh, Y.S. Shiao, D.J.B. Smith, S. Toscano, J. Torres, J. Touart, N. van Eijndhoven, G.S. Varner, A. Vieregg, M.Z. Wang, S.H. Wang, S.A. Wissel, C. Xie, S. Yoshida and R. Younget al. (click to show)*: corresponding author
Pre-published on:
August 17, 2023
Published on:
September 27, 2024
Abstract
Ultra-High Energy (UHE) neutrinos over 1016 eV have yet to be observed but the Askaryan Radio Array (ARA) is one in-ice neutrino observatory attempting to make this discovery. In anticipation of a thorough full-observatory and full-livetime neutrino search, we estimate how many neutrino events can be detected accounting for secondary interactions, which are typically ignored in UHE neutrino simulations. Using the NuLeptonSim and PyREx simulation frameworks, we calculate the abundance and usefulness of cascades viewed by multiple ARA stations and observations made of taus, muons, and neutrinos generated during and after initial neutrino cascades. Analyses that include these scenarios benefit from a considerable increase in effective area at key ARA neutrino energies, one example being a 30% increase in ARA’s effective area when simulating taus and muons produced in 1019 eV neutrino interactions. These analysis techniques could be utilized by other in-ice radio neutrino observatories, as has been explored by NuRadioMC developers. Our contribution showcases full simulation results of neutrinos with energies 3×1017 - 1021 eV and visualizations of interesting triggered event topologies.
DOI: https://doi.org/10.22323/1.444.1169
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