Optimization of ARIANNA station configuration
S. Barwick* on behalf of the ARIANNA collaboration
June 05, 2018
August 03, 2018
Recent measurements of the horizontal propagation properties of radio pulses through stratified polar firn indicate that surface detectors can observe signals from neutrino interactions throughout a much larger volume than previously considered. The evidence for horizontal propagation will be briefly summarized. Motivated by this new opportunity, the ARIANNA simulation tool to assess performance was upgraded to investigate traditional antenna receivers such as LPDA and fat dipoles in any orientation, pointing direction and geometrical position. The antenna response was computed for expected depth beneath the firn-air boundary and the separation between stations was also re-optimized to maximize sensitivity at 10^18 eV. In addition, the investigations consider locations at the ARIANNA site at Moore's Bay on the Ross Ice Shelf and at the South Pole. We conclude with a discussion of the ramifications of these studies.
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