PoS - Proceedings of Science
Volume 283 - Neutrino Oscillation Workshop (NOW2016) - Session I: Oscillation parameters: Present
Daya Bay results
V. Pec* on behalf of the Daya Bay collaboration
*corresponding author
Full text: pdf
Pre-published on: February 14, 2017
Published on: June 20, 2017
Abstract
The Daya Bay experiment was designed to measure neutrino mixing parameter parameter $\theta_{13}$ with unprecedented precision by employing a relative rate measurement of electron antineutrinos at short and long distance from nuclear reactors. Updated analysis of spectral and rate differences at different distances based on 1260 days of data yielded $\sin^2 2\theta_{13} = 0.0841 \pm 0.0027\text{(stat.)}\pm 0.0019\text{(syst.)}$, together with a measurement of the effective squared-mass difference $\Delta m_{\text{ee}} = (2.50 \pm 0.06\text{(stat.)} \pm 0.06\text{(syst.)})\times10^{-3} \text{eV}^{2}$. Latest results of independent analysis of events with neutron capture on hydrogen, of the measurement of absolute reactor antineutrino flux and spectrum, and of the search for mixing of sterile neutrinos are also reported. The experiment is expected to continue running till 2020.
DOI: https://doi.org/10.22323/1.283.0006
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