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Radio detection of air showers with the ARIANNA experiment on the Ross Ice Shelf
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA..
Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA.;Natl Res Nucl Univ, MEPhI Moscow Engn Phys Inst, Moscow 115409, Russia..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.ORCID iD: 0000-0003-1276-676x
Univ Calif Irvine, Dept Elect Engn & Comp Sci, Irvine, CA USA..
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2017 (English)In: Astroparticle physics, ISSN 0927-6505, E-ISSN 1873-2852, Vol. 90, 50-68 p.Article in journal (Refereed) Published
Abstract [en]

The ARIANNA hexagonal radio array (HRA) is an experiment in its pilot phase designed to detect cosmogenic neutrinos of energies above 10(16) eV. The most neutrino-like background stems from the radio emission of air showers. This article reports on dedicated efforts of simulating and detecting the signals of cosmic rays. A description of the fully radio self-triggered data-set, the properties of the detected air shower signals in the frequency range of 100-500 MHz and the consequences for neutrino detection are given. 38 air shower signals are identified by their distinct waveform characteristics, are in good agreement with simulations and their signals provide evidence that neutrino-induced radio signals will be distinguishable with high efficiency in ARIANNA. The cosmic ray flux at a mean energy of 6.5(-1.0)(+1.2) x 10(17) eV is measured to be 1.1(-0.7)(+1.0) x 10(-16) eV(-1) km(-2) sr(-1) yr(-1) and one five-fold coincident event is used to illustrate the capabilities of the ARIANNA detector to reconstruct arrival direction and energy of air showers.

Place, publisher, year, edition, pages
2017. Vol. 90, 50-68 p.
Keyword [en]
Cosmic rays, Neutrinos, Radio emission, 98.70.Sa, 95.85.Ry, 95.55.Vj, 95.55.Jz
National Category
Astronomy, Astrophysics and Cosmology Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-322833DOI: 10.1016/j.astropartphys.2017.02.003ISI: 000399848600006OAI: oai:DiVA.org:uu-322833DiVA: diva2:1106981
Funder
German Research Foundation (DFG), NE 2031/1-1Knut and Alice Wallenberg Foundation
Available from: 2017-06-08 Created: 2017-06-08 Last updated: 2017-06-08Bibliographically approved

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