Description
PROSPECT-I: Updated results for Sterile Neutrino Oscillation search
Jose Palomino, Bryce Littlejohn
Illinois Institute of Technology
on behalf of the PROSPECT Collaboration
PROSPECT, the Precision Reactor Oscillation and SPECTrum experiment, is a reactor antineutrino experiment consisting of a segmented liquid scintillator antineutrino detector designed to probe short-baseline neutrino oscillations and precisely measure the antineutrino spectrum of the primary fission isotope U-235. Located at the High Flux Isotope Reactor (HFIR) at Oak Ridge National Laboratory (ORNL), PROSPECT’s neutrino oscillation analysis utilizes target segmentation to look for differences in measured inverse beta decay (IBD) positron spectra at different positions in its detector. With a current baseline coverage of between 7 and 9 meters, the analysis search for sterile oscillations in the ~1-10 eV$^2$ mass-splitting range, with sensitivities largely independent of the underlying reactor antineutrino flux. This poster will summarize PROSPECT’s latest oscillation analysis results emphasizing its effect over a new statistical unbiased method, improved event selection and optimized multi-period data splitting.
Collaboration | PROSPECT |
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