Speaker
Description
MicroBooNE is able to perform mm-scale imaging of the complex topologies resulting from neutrino–nucleus scattering. As a result, MicroBooNE has measured neutrino interaction cross sections on argon spanning four orders of magnitude and across all major interaction modes, a first for any LArTPC experiment. This talk will give an overview of MicroBooNE's most recent neutrino cross section results. We will present our latest νμ CC results without pions in the final state, with particular focus on proton multiplicity, neutrino direction reconstruction for atmospheric oscillation measurements, and progress towards a joint measurement on argon and oxygen with ANNIE. We will also present our latest measurements of νe CC interactions on argon, including new pionless measurements using two different neutrino beams (BNB and NuMI) but in the same detector. These directly constrain the νe/νμ cross-section ratio that forms a key systematic in neutrino oscillation measurements. Finally, we will present progress towards the first-ever measurement of a neutrino-induced neutron production cross section on argon, highlighting novel reconstruction techniques. Together, these measurements showcase our unique sensitivity to probing neutrino interaction modelling at both the nucleon and nuclear levels, providing crucial input for upcoming experiments including SBND and DUNE.
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