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Y. Xu

Researcher at Singapore University of Technology and Design

Publications -  60
Citations -  5192

Y. Xu is an academic researcher from Singapore University of Technology and Design. The author has contributed to research in topics: Daya Bay Reactor Neutrino Experiment & Neutrino. The author has an hindex of 22, co-authored 36 publications receiving 4648 citations. Previous affiliations of Y. Xu include Carnegie Mellon University & Sun Yat-sen University.

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Observation of Electron-Antineutrino Disappearance at Daya Bay

F. P. An, +274 more
TL;DR: The Daya Bay Reactor Neutrino Experiment has measured a nonzero value for the neutrino mixing angle θ(13) with a significance of 5.2 standard deviations.
Journal ArticleDOI

Spectral Measurement of Electron Antineutrino Oscillation Amplitude and Frequency at Daya Bay

F. P. An, +243 more
TL;DR: A measurement of the energy dependence of antineutrino disappearance at the Daya Bay reactor neutrino experiment is reported, supporting the three-flavor oscillation model.
Journal ArticleDOI

Improved Measurement of Electron Antineutrino Disappearance at Daya Bay

F. P. An, +228 more
TL;DR: In this article, an improved measurement of the neutrino mixing angle was reported from the Daya Bay Reactor Neutrino Experiment, with a significance of 7.7 standard deviations.
Journal ArticleDOI

Improved measurement of electron antineutrino disappearance at Daya Bay

F. P. An, +237 more
- 01 Jan 2013 - 
TL;DR: The Daya Bay experiment has improved the measurement of the nuclear mixing parameter by 2.5× the previously reported exposure, and continues to be the most accurate measurement of θ_(13) as discussed by the authors.
Journal ArticleDOI

Measurement of electron antineutrino oscillation based on 1230 days of operation of the Daya Bay experiment

F. P. An, +220 more
- 01 Apr 2017 - 
Abstract: A measurement of electron antineutrino oscillation by the Daya Bay Reactor Neutrino Experiment is described in detail. Six 2.9-GWth nuclear power reactors of the Daya Bay and Ling Ao nuclear power facilities served as intense sources of νe’s. Comparison of the νe rate and energy spectrum measured by antineutrino detectors far from the nuclear reactors (∼1500–1950 m ) relative to detectors near the reactors (∼350–600 m ) allowed a precise measurement of νe disappearance. More than 2.5 million νe inverse beta-decay interactions were observed, based on the combination of 217 days of operation of six antineutrino detectors (December, 2011–July, 2012) with a subsequent 1013 days using the complete configuration of eight detectors (October, 2012–July, 2015). The νe rate observed at the far detectors relative to the near detectors showed a significant deficit, R=0.949±0.002(stat)±0.002(syst). The energy dependence of νe disappearance showed the distinct variation predicted by neutrino oscillation. Analysis using an approximation for the three-flavor oscillation probability yielded the flavor-mixing angle sin^2 2θ_(13)=0.0841±0.0027(stat)±0.0019(syst) and the effective neutrino mass-squared difference of |Δm^2_(ee)|=(2.50±0.06(stat)±0.06(syst))×10^(−3) eV^2. Analysis using the exact three-flavor probability found Δm^2_(32)=(2.45±0.06(stat)±0.06(syst))×10^(−3) eV^2 assuming the normal neutrino mass hierarchy and Δm^2_(32)=(−2.56±0.06(stat)±0.06(syst))×10^(−3) eV^2 for the inverted hierarchy.