First Measurement of Charged-Current Muon-Neutrino-Induced <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>+</mml:mo> </mml:msup> </mml:math> Production on Argon Using the MicroBooNE De

The MicroBooNE experiment is an 85 tonne active mass liquid argon time projection chamber neutrino detector exposed to the on-axis Booster Neutrino Beam at Fermilab. One of MicroBooNE's physics goals is the precise measurement of neutrino interactions on argon in the 1 GeV energy regime. Building on the capabilities of the MicroBooNE detector, this analysis identifies K^{+} mesons, a key signature for the study of strange particle production in neutrino interactions. This measurement is furthermore valuable for background estimation for future nucleon decay searches and for improved reconstruction and particle identification capabilities in experiments such as the Deep Underground Neutrino Experiment. In this Letter, we present the first-ever measurement of a flux-integrated cross section for charged-current muon neutrino induced K^{+} production on argon nuclei, determined to be 7.93±3.22(stat)±2.83(syst)×10^{-42} cm^{2}/nucleon based on an analysis of 6.88×10^{20} protons on target. This result was found to be consistent with model predictions from different neutrino event generators within the reported uncertainties.

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Publication Details

Journal
Physical Review Letters
Published
2025-11-19
DOI
https://doi.org/10.1103/96vx-gq2g
Primary Topic
Neutrino Physics Research
Type
article
Field-Weighted Citation Impact
0.00
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article

First Measurement of Charged-Current Muon-Neutrino-Induced <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>+</mml:mo> </mml:msup> </mml:math> Production on Argon Using the MicroBooNE De

Karl J. Friston
Physical Review Letters
Neutrino Physics Research
article

First Measurement of Charged-Current Muon-Neutrino-Induced <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>+</mml:mo> </mml:msup> </mml:math> Production on Argon Using the MicroBooNE De

Karl J. Friston
article en

Abstract

The MicroBooNE experiment is an 85 tonne active mass liquid argon time projection chamber neutrino detector exposed to the on-axis Booster Neutrino Beam at Fermilab. One of MicroBooNE's physics goals is the precise measurement of neutrino interactions on argon in the 1 GeV energy regime. Building on the capabilities of the MicroBooNE detector, this analysis identifies K^{+} mesons, a key signature for the study of strange particle production in neutrino interactions. This measurement is furthermore valuable for background estimation for future nucleon decay searches and for improved reconstruction and particle identification capabilities in experiments such as the Deep Underground Neutrino Experiment. In this Letter, we present the first-ever measurement of a flux-integrated cross section for charged-current muon neutrino induced K^{+} production on argon nuclei, determined to be 7.93±3.22(stat)±2.83(syst)×10^{-42} cm^{2}/nucleon based on an analysis of 6.88×10^{20} protons on target. This result was found to be consistent with model predictions from different neutrino event generators within the reported uncertainties.

Physical Review LettersVol. 135(25)
New Mexico State University (US), University of Bern (CH), Louisiana State University (US), Tufts University (US), Argonne National Laboratory (US), Fermi National Accelerator Laboratory (US), Los Alamos National Laboratory (US), University of Kansas (US), Tel Aviv University (IL), Queen Mary University of London (GB), University of Pittsburgh (US), Universidad de Granada (ES), Illinois Institute of Technology (US), South Dakota School of Mines and Technology (US), Kansas State University (US), Brookhaven National Laboratory (US), Nankai University (CN), University of Cambridge (GB), University of Michigan (US), University of Minnesota System (US), SLAC National Accelerator Laboratory (US), University of California System (US), University of Manchester (GB), University of Warwick (GB), University of Oxford (GB), University of Chicago (US), Rutgers Sexual and Reproductive Health and Rights (NL), Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (ES), Imperial College London (GB), Indiana University (US), University of Cincinnati (US), Massachusetts Institute of Technology (US), Lancaster University (GB), Syracuse University (US), University of Southern Maine (US), Columbia University (US), Michigan State University (US), Colorado State University (US), University of Edinburgh (GB)
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