Hostname: page-component-78c5997874-mlc7c Total loading time: 0 Render date: 2024-11-13T01:13:47.167Z Has data issue: false hasContentIssue false
  • English
  • Français

Electron-antineutrino disappearance seen by Daya Bay reactor neutrino experiment

Published online by Cambridge University Press:  30 January 2013

Ruiguang Wang
Ruiguang Wang*
Affiliation:
Institute of High Energy Physics, Beijing, 100049, China email: [email protected].
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The Daya Bay Reactor Neutrino Experiment has measured a non-zero value for the neutrino mixing angle θ13 with a significance of 7.7 standard deviations. Antineutrinos from six 2.9 GWth reactors were detected in six antineutrino detectors deployed in two near and one far underground experimental halls. With a 116.8 kton-GWth-day live-time exposure in 139 days, 28,909 (205,308) electron-antineutrino candidates were detected at the far hall (near hall). The ratio of the observed to expected number of antineutrinos at the far hall is R = 0.944 ± 0.007 ± 0.003 (syst). A rate-only analysis finds sin22θ13 = 0.089 ± 0.010 (stat) ± 0.005 (syst) in a three-neutrino framework.

Keywords

Neutrino oscillationreactor neutrinomixing angle θ13Daya Bay
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S288: Astrophysics from Antarctica , August 2012 , pp. 326 - 328
Copyright
Copyright © International Astronomical Union 2013

References

An, F. P.et al. (Daya Bay Collaboration) 2012a, Phys. Rev. Lett., 108, 171803CrossRefGoogle Scholar
An, F. P.et al. (Daya Bay Collaboration) 2012b, Nucl. Instr. and Meth., A685, 78CrossRefGoogle Scholar
An, F. P.et al. (Daya Bay Collaboration) 2013, Chinese Phys. C, 3, 7, 011001CrossRefGoogle Scholar