Abstract

The Daya Bay Collaboration reports precise measurements of the ${\ensuremath{\theta}}_{13}$ neutrino mixing angle and predicts the $\mathrm{\ensuremath{\Delta}}\phantom{\rule{0}{0ex}}{m}_{32}^{2}$ mass difference for both normal and inverted hierarchy scenarios. These values are based on comparing the detection of antineutrinos by ''near'' and ''far'' detectors of more than 2.5 million inverse beta-decay observations.