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Browsing by Author "Norman, Andrew, committee member"

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    A measurement of the double-differential electron antineutrino charged-current inclusive cross section in the NOvA near detector
    (Colorado State University. Libraries, 2023) Doyle, Derek, author; Buchanan, Norm, advisor; Gelfand, Martin, committee member; Harton, John, committee member; Norman, Andrew, committee member; Pouchet, Louis-Noël, committee member
    The neutrino is a fundamental particle of the universe that was first hypothesized in 1930 by Wolfgang Pauli to explain the observed energy distribution of outgoing electrons produced from beta-decay. Since then, it has been discovered that there are at least three types, or flavors, of neutrinos and that they oscillate between these flavors as they travel through space and time. This discovery proved that neutrinos have a non-zero mass and positioned neutrino oscillations to provide a window into understanding the matter/antimatter asymmetry in the universe. Principle to all neutrino measurements is an accurate and robust interaction model over a large range of energies, and measurements to support the model. Of particular importance to the NuMI Off-axis νe Appearance (NOvA) neutrino oscillation experiment is the energy range from 1 to 10 GeV, where Quasi-Elastic (QE), Meson-Exchange Current (MEC), and Deep Inelastic Scattering (DIS) interactions all contribute significantly. Using neutrinos from the Neutrinos at the Main Injector (NuMI) beam and the NOvA near detector, the first double-differential electron antineutrino charged-current inclusive cross section is measured and compared to various interaction models implemented within the genie Generator framework, version 3. Good agreement is observed between measurement and a genie model tuned to NOvA data.