First Measurement of Differential Charged Current Quasi-Elastic-Like Muon Neutrino Argon Scattering Cross Sections with the MicroBooNE Detector
March 31, 2022
Current and future generation neutrino oscillation experiments aim towards a high-precision
measurement of the oscillation parameters, which requires an unprecedented understanding of
neutrino-nucleus scattering. Charged-current quasi-elastic (CCQE) scattering is the process in
which the neutrino produces a charged lepton and removes a single intact nucleon from the nu-
cleus without producing any additional particles. For existing and forthcoming accelerator–based neutrino experiments, CCQE interactions are either the dominant process or part of the signal.
MicroBooNE is the first liquid argon time projection chamber (LArTPC) commissioned as part of
the Short Baseline Neutrino (SBN) program at Fermilab and its excellent particle reconstruction
capabilities allow the detection of neutrino interactions using exclusive final states, which will play
a crucial role in the success of future kiloton LArTPC detectors such as DUNE. This talk will
present the first measurement of exclusive νμ-Ar CCQE–like flux integrated total and differential
cross sections using single proton knock–out interactions recorded by the MicroBooNE LArTPC
detector, which has comparable acceptance to deuterium Bubble Chambers.
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