Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 13: Kosmische Strahlung I

T 13.8: Talk

Monday, March 25, 2019, 17:50–18:05, S13

Reconstruction of the electric field using a single ARIANNA station — •Ilse Plaisier — DESY, Zeuthen, Germany

The ARIANNA detector is a pilot detector at the Ross Ice Shelf, for the detection of the radio signals produced after the interactions of high energetic neutrinos in the ice. In order to precisely reconstruct the arrival direction of a neutrino, three ingredients are needed: the arrival direction of the radio signal, the polarization of the signal and the frequency spectrum of the signal. This contribution discusses a fitting method to reconstruct the electric field of the the emitted radio pulses, which then delivers the relevant quantities. So far, the array is not big enough to detect neutrinos. We therefore discuss the application of the fitting procedure to cosmic ray data obtained with ARIANNA. The radio emission caused by cosmic-ray induced air showers is similar to neutrino-induced showers, but with a well-known signal polarization, making it a perfect test case.