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

• Published in: Journal of Glaciology
• Main Authors: Aguilar, J. A., Allison, P., Beatty, J. J., Besson, D., Bishop, A., Botner, Olga, Bouma, S., Buitink, S., Cataldo, M., Clark, B. A., Curtis-Ginsberg, Z., Connolly, A., Dasgupta, P., de Kockere, S., de Vries, K. D., Deaconu, C., DuVernois, M. A., Glaser, Christian, Hallgren, Allan, Hallmann, S., Hanson, J. C., Hendricks, B., Hornhuber, C., Hughes, K., Karle, A., Kelley, J. L., Kravchenko, I, Mulrey, K., Nelles, A., Novikov, A., Nozdrina, A., Oberla, E., Oeyen, B., Pan, Y., Pandya, H., Plaisier, I, Punsuebsay, N., Pyras, L., Ryckbosch, D., Scholten, O., Seckel, D., Seikh, M. F. H., Smith, D., Southall, D., Torres, J., Toscano, S., Tosi, D., Van den Broeck, D. J., van Eijndhoven, N., Vieregg, A. G.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Uppsala universitet, Högenergifysik 2022
• Subjects: Ground-penetrating radar; ice physics; ice thickness measurements; radio-echo sounding; Astronomy; Astrophysics and Cosmology; Astronomi; astrofysik och kosmologi; Greenland; Journal of Glaciology
• Online Access: http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-497366; https://doi.org/10.1017/jog.2022.40

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 10(17) electron 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 L-alpha. We find an approximately linear dependence of L-alpha on frequency with the best fit of the average field attenuation for the upper 1500 m of ice: < L-alpha > = ((1154 +/- 121) - (0.81 +/- 0.14) (v/MHz)) m for frequencies v is an element of [145 - 3501 MHz.