Reno

Reno

The Reactor Experiment for Neutrino Oscillation (RENO) is a short baseline reactor neutrino oscillation experiment in South Korea. The experiment was designed to either measure or set a limit on the neutrino mixing matrix parameter θ13, a parameter responsible for oscillations of electron neutrinos into other neutrino flavours. RENO has two identical detectors, placed at distances of 294 m and 1383 m, that observe electron antineutrinos produced by six reactors at the Hanbit Nuclear Power Plant (the old name: the Yeonggwang Nuclear Power Plant) in Korea. Each detector consists of 16.5 t of gadolinium-doped liquid scintillator (LAB), surrounded by an additional 450 tons of buffer, veto, and shielding liquids.: 6 On 3 April 2012, with some corrections on 8 April, the RENO collaboration announced a 4.9σ observation of θ13 ≠ 0, with sin 2 ⁡ 2 θ 13 = 0.113 ± 0.013 ( s t a t . ) ± 0.019 ( s y s t . ) {\displaystyle \sin ^{2}2\theta _{13}=0.113\pm 0.013({\rm {stat.}})\pm 0.019({\rm {syst.}})} This measurement confirmed a similar result announced by the Daya Bay Experiment three weeks before and is consistent with earlier, but less significant results by T2K, MINOS and Double Chooz.

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