SMuK 2023 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 54: Flavor IV
T 54.6: Vortrag
Mittwoch, 22. März 2023, 17:05–17:20, HSZ/0304
Sensitivity Studies for the Theia Experiment at LBNF — •Wei-Chieh Lee, Caren Hagner, and Daniel Bick — Institut für Experimentalphysik, Universität Hamburg, Hamburg, Germany
Theia is a next-generation neutrino detector, which can achieve great precision in neutrino event reconstruction and background rejection by exploiting both Cherenkov radiation and scintillation light. With this type of detectors, the nature of neutrinos may be further investigated to provide answers to unsolved questions in physics, especially those considering the mass ordering and the possible CP violation of neutrinos. For this purpose, the detector is proposed to be constructed at the Long-Baseline Neutrino Facility (LBNF) in the United States, alongside the Deep Underground Neutrino Experiment (DUNE) far detectors. The General Long Baseline Experiment Simulator (GLoBES) software package is utilized for the detector performance simulation. In this talk, studies of Theia’s ability to discover CP violation will be presented with details, including effects from variations in oscillation parameters and systematic uncertainties. With conservative assumptions and 7 years of data, Theia can ultimately have > 3σ (> 5σ) sensitivity to CP violation for 60% (20%) of δCP parameter space in the case of normal (inverted) mass ordering.