Speaker
Description
The Radar Echo Telescope (RET) experiment aims to probe the >PeV cosmic neutrino flux with radar, targeting ionisation trails left in the wake of in-ice neutrino-induced cascades. The current focus of the RET collaboration is the Radar Echo Telescope for Cosmic Rays (RET-CR), a pathfinder experiment that utilised secondary in-ice particle cascades - produced by high-energy cosmic ray air showers impinging on an elevated ice sheet - as a test beam for the radar method. A successful detection of in-ice cosmic ray cascades will demonstrate the feasibility of the method in-situ, allowing it to be applied towards the detection of ultrahigh energy cosmic neutrinos with the future RET-N neutrino telescope. We discuss the radar detection method and present our latest results, focusing on first data from the RET-CR pathfinder and expected signal features.
