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Matt Kramer (LBNL) – “Measurement of sin²2θ₁₃ and Δm²ₑₑ from the Full Dataset of the Daya Bay Experiment”

June 30, 2022 @ 4:00 pm - 5:00 pm

ABSTRACT(This is a Hybrid/ZOOM Meeting)
The Daya Bay Reactor Neutrino Experiment was built to measure the smallest neutrino mixing angle, θ₁₃, using the oscillation of electron antineutrinos produced by the Daya Bay nuclear power complex in southern China. Using the rate and spectral shape of antineutrino events at multiple baselines from the reactors, sin²2θ₁₃ is extracted along with the effective mass splitting Δm²ₑₑ. This talk describes, step-by-step, the latest oscillation analysis from our full dataset of ~5.5 million antineutrinos acquired over nearly a decade. In addition to the increase in statistics, this analysis benefits from improvements in energy reconstruction and background subtraction. With an uncertainty of 2.8%, this measurement of sin²2θ₁₃ is likely to remain the world’s most precise for the foreseeable future.

ZOOM Talk: https://lbnl.zoom.us/j/91782268585

Time: 4:00 PM

Hybrid Location: Conference Room Location: 50-5132

Details

Date:
June 30, 2022
Time:
4:00 pm - 5:00 pm

Venue

HYBRID 50A-5132 (Sessler Conference Room), https://lbnl.zoom.us/j/91782268585
50A-5132 + Google Map
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