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June 22, 2020 to July 2, 2020
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Measurement of the Uranium-235 Antineutrino Spectrum by PROSPECT

Not scheduled


Mr Benjamin Foust (Yale University)


The Precision Reactor Oscillation and SPECTrum experiment, or PROSPECT, detector is designed to accurately measure the $^{235}$U antineutrino energy spectrum. The detector is located at the High Flux Isotope Reactor (HFIR), an 85 MW highly-enriched uranium (HEU) reactor with short reactor-on periods, such that over 99% of the antineutrino flux comes from $^{235}$U.

This poster presents the latest spectral results from PROSPECT. We compare the resulting spectrum to model predictions, and test the contribution of $^{235}$U towards potential high energy excess as seen in previous spectral measurements performed at nuclear power reactors.


The latest results of the PROSPECT $^{235}$U antineutrino energy spectrum analysis.

Experiment/Collaboration PROSPECT Collaboration

Primary author

Mr Benjamin Foust (Yale University)

Presentation Materials