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

  • (MicroBooNE Collaboration)
  • Tufts University
  • University of Cambridge
  • University of Manchester
  • University of Texas at Arlington
  • Fermi National Accelerator Laboratory
  • University of Michigan, Ann Arbor
  • University of Oxford
  • Massachusetts Institute of Technology
  • Harvard University
  • Syracuse University
  • Brookhaven National Laboratory
  • Lancaster University
  • Kansas State University
  • Columbia University
  • University of California at Santa Barbara
  • Colorado State University
  • University of Bern
  • SLAC National Accelerator Laboratory
  • Yale University
  • CIEMAT
  • University of Minnesota Twin Cities
  • Illinois Institute of Technology
  • University of Pittsburgh
  • University of Southern Maine
  • Los Alamos National Laboratory
  • South Dakota School of Mines & Technology
  • University of Granada
  • University of Tennessee, Knoxville
  • Virginia Polytechnic Institute and State University
  • University of Cincinnati
  • Rutgers - The State University of New Jersey, New Brunswick
  • University of Edinburgh
  • University of Warwick
  • The University of Chicago
  • New Mexico State University
  • Louisiana State University

Research output: Contribution to journalArticlepeer-review

13 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
Article number012004
JournalPhysical Review D
Volume107
Issue number1
DOIs
StatePublished - 1 Jan 2023

Funding

FundersFunder number
National Science Foundation
High Energy Physics and Nuclear Physics
European Union’s Horizon 2020 Marie Sklodowska-Curie Actions
U.S. Department of Energy
United Kingdom Research and Innovation
Office of Science
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Royal Society
Science and Technology Facilities CouncilST/T001232/1
Fermi Research Alliance, LLCDE-AC02-07CH11359
Fundação para a Ciência e a TecnologiaIncentivo/SAU/LA0001/2013
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