Leseprobe
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Low Energy Neutrino-Nucleus Interactions at the Spallation Neutron Source
Samuel Hedges
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Naturwissenschaften, Medizin, Informatik, Technik / Atomphysik, Kernphysik
Beschreibung
This thesis highlights the development and analysis of multiple neutrino detectors deployed to the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory as part of the COHERENT experiment. It includes a preliminary measurement of the neutrino-induced neutron cross section on lead, and analysis that led to the first inclusive electron-neutrino charged-current measurement on iodine. These results add to the small number of inelastic neutrino-nucleus cross sections measured in this energy range, which are useful for understanding supernova and solar neutrino detection sensitivity. Additionally, it discusses preliminary work for and design of COHERENT’s ton-scale NaI coherent elastic neutrino-nucleus scattering (CEvNS) detector, currently being deployed to the SNS. Finally, it includes information on a campaign to measure the nuclear recoil quenching factor of NaI using multiple crystals, attempting to resolve inconsistencies with existing measurements.
Kundenbewertungen
elastic neutrino-nucleus scattering, scintillating detector, Spallation Neutron Source, COHERENT experiment, neutrino-induced neutron cross section, neutrino oscillation, nuclear recoil, neutrino detection