Abstract: The Askaryan Radio Array (ARA) experiment at the South Pole aims to detect GZK (Greisen–Zatsepin–Kuzmin) neutrinos (of energies from some PeV to higher energies) from extra-galactic sources. ARA looks for Askaryan emission in radio-wavelengths (150 to 800 MHz) from showers induced by neutrino-ice molecule collisions in Antarctica. My thesis is aimed at trying to identify the UHECR (Ultra High Energy Cosmic Ray) signal in the ARA stations, with each station consisting of radio antennas inside 200 m deep holes in the ice sheet. I have been working on simulating radio emissions from cosmic ray air showers using the CoREAS (CORSIKA-based Radio Emission from Air Showers) code, to predict voltage signals produced by UHECR in the ARA detectors. Some new results from the analysis of ARA burnsample data of 2013 to 2016 will be presented in this talk.



This work has also required the modification of the existing CoREAS code to include propagation of above-surface showers to in-ice showers. That code is currently being worked on and tested and will be hopefully released in some future CoREAS version