Precise measurement of sin2 2θ13 at the Daya Bay Reactor Neutrino Experiment

Yu, Z. Y. (2013) Precise measurement of sin2 2θ13 at the Daya Bay Reactor Neutrino Experiment. Il nuovo cimento C, 36 (6). pp. 53-59. ISSN 1826-9885

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Abstract

The Daya Bay Reactor Neutrino Experiment was designed to precisely measure mixing angle θ13, with the sensitivity better than 0.01 in sin2 2θ13 at the 90% C.L. Eight functional identical anti-neutrino detectors are deployed in water pools underground at various baselines from the reactors, for the near-far relative measurement. The experiment began physics data taking on Dec. 24, 2011. With 55 days of data, the Daya Bay experiment observed a non-zero value of θ13 at 5.2 standard deviations. The most recent analysis with 139 days of data yields sin2 2θ13 = 0.089±0.010(stat.)±0.005(syst.), which is the most precise measurement to date.

Item Type: Article
Uncontrolled Keywords: Neutrino mass and mixing ; Scintillation detectors ; Power and production reactors
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 07 May 2020 15:39
Last Modified: 07 May 2020 15:39
URI: http://eprints.bice.rm.cnr.it/id/eprint/18372

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