# New Perspectives 2019

10-11 June 2019
Fermi National Accelerator Laboratory
US/Central timezone
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# Contribution Oral

Fermi National Accelerator Laboratory - One West

# A Preliminary $\nu_{\mu}$ CC 0$\pi$ Event Selection in SBND

## Speakers

• Rhiannon JONES

## Content

SBND is a Liquid Argon Time Projection Chamber (LArTPC) experiment and the near detector in the Short Baseline Neutrino (SBN) program at Fermilab. With a 110 m baseline and a 112 tonne active mass, the detector will observe ~5,000,000 charged current muon neutrino ($\nu_{\mu}$ CC) interactions at energies of <$E_{\nu}$> $\sim$ 650 MeV in its 6.6 $\times 10^{20}$ POT (3 year) exposure. SBND will constrain the systematics on the event rate for sterile neutrino searches in the SBN program and have a rich program of neutrino cross-section measurements. The most abundant topology in SBND, pionless charged current muon neutrino ($\nu_{\mu}$ CC 0$\pi$), is a key channel for oscillation searches due to its simple final-state: a single muon, possibly several nucleons and no meson. However, the well-understood charged current quasielastic (CC QE) interaction on free nuclei is not sufficient to correctly model the $\nu_{\mu}$ CC 0$\pi$ final state in nuclear target experiments. This talk will demonstrate a preliminary $\nu_{\mu}$ CC 0$\pi$ selection using automated reconstruction in SBND, in an effort to fully understand its properties in a LArTPC for the purpose of making cross-section and oscillation measurements.