Sterile neutrino searches at tagged kaon beams
Luis Delgadillo, Patrick Huber

TL;DR
This paper proposes using tagged kaon beams to produce pure and well-characterized neutrino beams for testing sterile neutrino oscillations, enabling decisive experiments to confirm or refute recent anomalies.
Contribution
It introduces a novel experimental setup utilizing tagged kaon beams and a liquid argon detector to directly test sterile neutrino oscillations in the multi-eV range.
Findings
Potential to decisively test sterile neutrino oscillations
Utilizes flavor pure neutrino beams with known normalization
Proposes a practical experimental configuration
Abstract
Tagged kaon beams are attractive neutrino sources, which would provide flavor pure -beams with exactly measured normalization. We point out that this also leads to an anti-tagged flavor pure -beam, with equally well known normalization. Exposing a 1 kt liquid argon detector at a baseline of 1 km to this combination of unique beams allows to decisively test recent indications by IceCube and Neutrino-4 of sterile neutrino oscillations in the multi-eV range.
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