Brief communication: Precision measurement of the index of refraction of deep glacial ice at radio frequencies at Summit Station, Greenland

We report on the measurement of the index of refraction of glacial ice at radio frequencies at Summit Station, Greenland. This measurement is of particular importance for the Radio Neutrino Observatory Greenland, an experiment currently under construction at Summit Station that seeks to detect radio...

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Bibliographic Details
Published in:The Cryosphere
Main Author: C. Welling
Format: Article in Journal/Newspaper
Language:English
Published: Copernicus Publications 2024
Subjects:
Environmental sciences
GE1-350
Geology
QE1-996.5
Greenland
The Cryosphere
Online Access:https://doi.org/10.5194/tc-18-3433-2024
https://doaj.org/article/1435101d75d241db8e4ca9aa9294794a
Description
Summary:We report on the measurement of the index of refraction of glacial ice at radio frequencies at Summit Station, Greenland. This measurement is of particular importance for the Radio Neutrino Observatory Greenland, an experiment currently under construction at Summit Station that seeks to detect radio signals from ultra-high-energy neutrino interactions in the ice. By correlating radio reflections in the bulk ice with features in the conductivity measurements from ice cores, we determine the index of refraction as n = 1.778 ± 0.006 <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="87pt" height="10pt" class="svg-formula" dspmath="mathimg" md5hash="6fcdb26f9cc0e1e644c1e5df06375328"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="tc-18-3433-2024-ie00001.svg" width="87pt" height="10pt" src="tc-18-3433-2024-ie00001.png"/></svg:svg> .

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