The time delay between direct and surface-reflected radio pulses can localize neutrino interaction vertices to 10-12% and contributes a neutrino-energy uncertainty well below the inelasticity floor, with an in-situ proof-of-concept measurement.
Event Reconstruction and Data Acquisition for the RICE Experiment at the South Pole
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abstract
The RICE experiment seeks to measure ultra-high energy neutrinos (E(nu)>10 PeV) by detection of the radio wavelength Cherenkov radiation produced by neutrino-ice collisions within Antarctic ice. An array of 16 dipole antennas, buried at depths of 100-400 m, and sensitive over the 100-500 MHz frequency range, has been continuously taking data for the last seven years. We herein describe the design and performance of the RICE experiment's event trigger and data acquisition system, highlighting elements not covered as extensively in previous publications.
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Neutrino vertex reconstruction with in-ice radio detectors using surface reflections and implications for the neutrino energy resolution
The time delay between direct and surface-reflected radio pulses can localize neutrino interaction vertices to 10-12% and contributes a neutrino-energy uncertainty well below the inelasticity floor, with an in-situ proof-of-concept measurement.