Abstract:

The Daya Bay Reactor Neutrino Experiment is designed to measure the neutrino mixing angle theta_13 with unprecedented precision. The experiment detects antineutrinos from Daya Bay reactor complex with eight functionally identical Antineutrino Detectors, which are distributed among three experimental halls. We started data taking in December 2011, and have collected more than one million reactor antineutrino interactions. This high-statistics of data allow us not only to make precise measurement of oscillation parameters, but also to search for new physical phenomena beyond the standard model such as sterile neutrino mixing. We made a search for light sterile neutrino mixing using the first 217 days of data from the Daya Bay experiment. The relative spectral distortion observed for electron antineutrino disappearance was found to be consistent with that of the three-flavor oscillation model, setting the most stringent limits on sin^2(2theta_14) at 10^-3 eV^2 < Delta m^2_41 < 0.1 eV^2. In this talk, I will discuss the details of this sterile neutrino search, as well as other recent results from the Daya Bay experiment.