Search for an Excess of Electron Neutrino Interactions in MicroBooNE Using Multiple Final-State Topologies
Affiliations
- 1 Tufts University, Medford, Massachusetts 02155, USA.
- 2 Illinois Institute of Technology (IIT), Chicago, Illinois 60616, USA.
- 3 University of Cambridge, Cambridge CB3 0HE, United Kingdom.
- 4 The University of Manchester, Manchester M13 9PL, United Kingdom.
- 5 University of Texas, Arlington, Texas 76019, USA.
- 6 Tel Aviv University, Tel Aviv, Israel, 69978.
- 7 Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
- 8 University of Michigan, Ann Arbor, Michigan 48109, USA.
- 9 University of Oxford, Oxford OX1 3RH, United Kingdom.
- 10 Harvard University, Cambridge, Massachusetts 02138, USA.
- 11 Syracuse University, Syracuse, New York 13244, USA.
- 12 Brookhaven National Laboratory (BNL), Upton, New York 11973, USA.
- 13 Lancaster University, Lancaster LA1 4YW, United Kingdom.
- 14 Kansas State University (KSU), Manhattan, Kansas 66506, USA.
- 15 Columbia University, New York, New York 10027, USA.
- 16 Colorado State University, Fort Collins, Colorado 80523, USA.
- 17 Universität Bern, Bern CH-3012, Switzerland.
- 18 Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, USA.
- 19 SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
- 20 Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA.
- 21 Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid E-28040, Spain.
- 22 University of Minnesota, Minneapolis, Minnesota 55455, USA.
- 23 University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.
- 24 University of Southern Maine, Portland, Maine 04104, USA.
- 25 Los Alamos National Laboratory (LANL), Los Alamos, New Mexico 87545, USA.
- 26 South Dakota School of Mines and Technology (SDSMT), Rapid City, South Dakota 57701, USA.
- 27 Universidad de Granada, Granada E-18071, Spain.
- 28 University of Tennessee, Knoxville, Tennessee 37996, USA.
- 29 Center for Neutrino Physics, Virginia Tech, Blacksburg, Virginia 24061, USA.
- 30 University of Cincinnati, Cincinnati, Ohio 45221, USA.
- 31 University of California, Santa Barbara, California 93106, USA.
- 32 Rutgers University, Piscataway, New Jersey 08854, USA.
- 33 University of Warwick, Coventry CV4 7AL, United Kingdom.
- 34 University of Chicago, Chicago, Illinois 60637, USA.
- 35 University of Edinburgh, Edinburgh EH9 3FD, United Kingdom.
- 36 New Mexico State University (NMSU), Las Cruces, New Mexico 88003, USA.
- PMID: 35776450
- DOI: 10.1103/PhysRevLett.128.241801
Search for an Excess of Electron Neutrino Interactions in MicroBooNE Using Multiple Final-State Topologies
Authors
Affiliations
- 1 Tufts University, Medford, Massachusetts 02155, USA.
- 2 Illinois Institute of Technology (IIT), Chicago, Illinois 60616, USA.
- 3 University of Cambridge, Cambridge CB3 0HE, United Kingdom.
- 4 The University of Manchester, Manchester M13 9PL, United Kingdom.
- 5 University of Texas, Arlington, Texas 76019, USA.
- 6 Tel Aviv University, Tel Aviv, Israel, 69978.
- 7 Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
- 8 University of Michigan, Ann Arbor, Michigan 48109, USA.
- 9 University of Oxford, Oxford OX1 3RH, United Kingdom.
- 10 Harvard University, Cambridge, Massachusetts 02138, USA.
- 11 Syracuse University, Syracuse, New York 13244, USA.
- 12 Brookhaven National Laboratory (BNL), Upton, New York 11973, USA.
- 13 Lancaster University, Lancaster LA1 4YW, United Kingdom.
- 14 Kansas State University (KSU), Manhattan, Kansas 66506, USA.
- 15 Columbia University, New York, New York 10027, USA.
- 16 Colorado State University, Fort Collins, Colorado 80523, USA.
- 17 Universität Bern, Bern CH-3012, Switzerland.
- 18 Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, USA.
- 19 SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
- 20 Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA.
- 21 Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid E-28040, Spain.
- 22 University of Minnesota, Minneapolis, Minnesota 55455, USA.
- 23 University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.
- 24 University of Southern Maine, Portland, Maine 04104, USA.
- 25 Los Alamos National Laboratory (LANL), Los Alamos, New Mexico 87545, USA.
- 26 South Dakota School of Mines and Technology (SDSMT), Rapid City, South Dakota 57701, USA.
- 27 Universidad de Granada, Granada E-18071, Spain.
- 28 University of Tennessee, Knoxville, Tennessee 37996, USA.
- 29 Center for Neutrino Physics, Virginia Tech, Blacksburg, Virginia 24061, USA.
- 30 University of Cincinnati, Cincinnati, Ohio 45221, USA.
- 31 University of California, Santa Barbara, California 93106, USA.
- 32 Rutgers University, Piscataway, New Jersey 08854, USA.
- 33 University of Warwick, Coventry CV4 7AL, United Kingdom.
- 34 University of Chicago, Chicago, Illinois 60637, USA.
- 35 University of Edinburgh, Edinburgh EH9 3FD, United Kingdom.
- 36 New Mexico State University (NMSU), Las Cruces, New Mexico 88003, USA.
- PMID: 35776450
- DOI: 10.1103/PhysRevLett.128.241801
Abstract
We present a measurement of ν_{e} 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 ν_{e} 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 pionless 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 either consistent with or modestly lower than the nominal ν_{e} rate expectations from the Booster Neutrino Beam and no excess of ν_{e} events is observed.
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