Measurement of neutral current single π0 production on argon with the MicroBooNE detector

(MicroBooNE Collaboration)

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

We report the first measurement of π0 production in neutral current (NC) interactions on argon with average neutrino energy of ≲1 GeV. We use data from the MicroBooNE detector's 85 metric tons active volume liquid argon time projection chamber situated in Fermilab's Booster Neutrino Beam and exposed to 5.89×1020 protons on target for this measurement. Measurements of NC π0 events are reported for two exclusive event topologies without charged pions. Those include a topology with two photons from the decay of the π0 and one proton and a topology with two photons and zero protons. Flux-averaged cross sections for each exclusive topology and for their semi-inclusive combination are extracted (efficiency correcting for two-plus proton final states), and the results are compared to predictions from the genie, neut, and nuwro neutrino event generators. We measure cross sections of 1.243±0.185(syst)±0.076(stat), 0.444±0.098±0.047, and 0.624±0.131±0.075 [10-38 cm2/Ar] for the semi-inclusive NCπ0, exclusive NCπ0+1p, and exclusive NCπ0+0p processes, respectively.

Original languageEnglish (US)
Article number012004
JournalPhysical Review D
Volume107
Issue number1
DOIs
StatePublished - Jan 1 2023

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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