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Search for an Excess of Electron Neutrino Interactions in MicroBooNE Using Multiple Final State Topologies

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Article number241801
<mark>Journal publication date</mark>13/06/2022
<mark>Journal</mark>Physical review letters
Issue number24
Number of pages9
Publication StatusPublished
<mark>Original language</mark>English


We present a measurement of electron neutrino interactions from the Fermilab Booster Neutrino Beam using the MicroBooNE liquid argon time projection chamber to address the nature of the excess of low energy interactions observed by the MiniBooNE collaboration. Three independent electron neutrino searches are performed across multiple single electron final states, including an exclusive search for two-body scattering events with a single proton, a semi-inclusive search for pion-less events, and a fully inclusive search for events containing all hadronic final states. With differing signal topologies, statistics, backgrounds, reconstruction algorithms, and analysis approaches, the results are found to be consistent with the nominal electron neutrino rate expectations from the Booster Neutrino Beam and no excess of electron neutrino events is observed.

Bibliographic note

9 pages, 5 figures