Journal
PHYSICAL REVIEW LETTERS
Volume 125, Issue 20, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.125.201803
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Funding
- U.S. Department of Energy, Office of Science, Offices of High Energy Physics and Nuclear Physics
- U.S. National Science Foundation
- Swiss National Science Foundation
- Science and Technology Facilities Council (STFC), part of the United Kingdom Research and Innovation
- Royal Society (United Kingdom)
- Albert Einstein Center for Fundamental Physics, Bern, Switzerland
- Azrieli Foundation
- Zuckerman STEM Leadership Program
- Israel Science Foundation
- Visiting Scholars Award Program of the Universities Research Association
- [DE-AC02-07CH11359]
- STFC [2192017, ST/R000271/1, 2023179] Funding Source: UKRI
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We report on the first measurement of flux-integrated single differential cross sections for charged-current (CC) muon neutrino (nu(mu)) scattering on argon with a muon and a proton in the final state, Ar-40 (nu(mu),mu(p))X. The measurement was carried out using the Booster Neutrino Beam at Fermi National Accelerator Laboratory and the MicroBooNE liquid argon time projection chamber detector with an exposure of 4.59 x 10(19) protons on target. Events are selected to enhance the contribution of CC quasielastic (CCQE) interactions. The data are reported in terms of a total cross section as well as single differential cross sections in final state muon and proton kinematics. We measure the integrated per-nucleus CCQE-like cross section (i.e., for interactions leading to a muon, one proton, and no pions above detection threshold) of (4.93 +/- 0.76(stat) +/- 1.29(sys)) x 10(-38) cm(2), in good agreement with theoretical calculations. The single differential cross sections are also in overall good agreement with theoretical predictions, except at very forward muon scattering angles that correspond to low-momentum-transfer events.
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