In situ, broadband measurement of the radio frequency attenuation length at Summit Station, Greenland

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Abstract

Over the last 25 years, radiowave detection of neutrino-generated signals, using cold polar ice as the neutrino target, has emerged as perhaps the most promising technique for detection of extragalactic ultra-high energy neutrinos (corresponding to neutrino energies in excess of 0.01 Joules, or 10electron volts). During the summer of 2021 and in tandem with the initial deployment of the Radio Neutrino Observatory in Greenland (RNO-G), we conducted radioglaciological measurements at Summit Station, Greenland to refine our understanding of the ice target. We report the result of one such measurement, the radio-frequency electric field attenuation length. We find an approximately linear dependence of on frequency with the best fit of the average field attenuation for the upper 1500 m of ice: for frequencies ν [145 - 350] MHz.

Original languageEnglish
Pages (from-to)1234-1242
Number of pages9
JournalJournal of Glaciology
Volume68
Issue number272
DOIs
Publication statusPublished - 30 Dec 2022

Bibliographical note

Funding Information:
We would like to acknowledge our home institutions and funding agencies for supporting the RNO-G work; in particular the Belgian Funds for Scientific Research (FRS-FNRS and FWO) and the FWO programme for International Research Infrastructure (IRI), the National Science Foundation through the NSF Awards 2118315 and 2112352 and the IceCube EPSCoR Initiative (Award ID 2019597), the German research foundation (DFG, Grant NE 2031/2-1), the Helmholtz Association (Initiative and Networking Fund, W2/W3 Program), the University of Chicago Research Computing Center and the European Research Council under the European Unions Horizon 2020 research and innovation programme (grant agreement No 805486). 1

Publisher Copyright:
Copyright © The Author(s), 2022. Published by Cambridge University Press.

Copyright:
Copyright 2023 Elsevier B.V., All rights reserved.

Keywords

  • astro-ph.IM
  • astro-ph.HE
  • hep-ex

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