Recent Results from the Daya Bay Reactor Neutrino Experiment

[摘要] The Daya Bay Reactor Neutrino Experiment is designed to precisely measure the mixing parameter sin22θ13via relative measurements with eight functionally identical antineutrino detectors (ADs). In 2012, Daya Bay has first measured a non-zero sin22θ13value with a significance larger than 5σ with the first six ADs. With the installation of two new ADs to complete the full configuration, Daya Bay has continued to increase statistics and lower systematic uncertainties for better precision of sin22θ13and for the exploration of other physics topics. In this proceeding, the latest analysis results of sin22θ13and |Δm2ee|, including a measurement made with neutron capture on Gadolinium and an independent measurement made with neutron capture on hydrogen are presented. The latest results of the search for sterile neutrino in the mass splitting range of 10-3eV2241| 2and the absolute measurement of the rate and energy spectrum of reactor antineutrinos will also be presented.

[发布机构] Physics Department, University of Illinois at Urbana-Champaign, 1110 W Green St, Urbana; IL; 61801, United States^1

[关键词] Absolute measurements;Independent measurement;Mixing parameters;Neutrino experiments;Neutron capture;Relative measurement;Sterile neutrinos;Systematic uncertainties