Reactor ν̄e disappearance in the Double Chooz experiment
By Y. Abe, C. Aberle, J. Anjos, J. Barrière, M. Bergevin, Adam Bernstein, T. Bezerra, L. Bezrukhov, E. Blucher, N. Bowden and 155 more. 2012
207 citations recorded by the source corpus.
The Double Chooz experiment has observed 8,249 candidate electron antineutrino events in 227.93 live days with 33.71 GW-ton-years (reactor power x detector mass x livetime) exposure using a 10.3 cubic meter fiducial volume detector located at 1050 m from the reactor cores of the Chooz nuclear power plant in France. The expectation in case of theta13 = 0 is 8,937 events. The deficit is interpreted as evidence of electron antineutrino disappearance. From a rate plus spectral shape analysis we find sin^2 2{\theta}13 = 0.109 \pm 0.030(stat) \pm 0.025(syst). The data exclude the no-oscillation hypothesis at 99.9% CL (3.1{\sigma}).
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/e42c1173788a2923568b341dfdf951a96afdf2a5
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Citations in the corpus
- Quantifying the sensitivity of oscillation experiments to the neutrino mass ordering (2013, background): “In particular, with the discovery of a large value of θ13 [2–5] an answer within a decade or so is certainly possible and first hints may be obtained even sooner in global fits to the world’s neutrino data.”
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- Updated fit to three neutrino mixing: status of leptonic CP violation (2014, methodology): “tor experiments KamLAND combined DS1 & DS2 spectrum [35], 17 data points. CHOOZ energy spectrum [30], 14 data points. Palo Verde total rate [31], 1 data point. Double Chooz 227.9-day spectrum [32], 18 data points. Daya Bay 621-day spectrum [33], 36 data points. RENO 800-day near & far total ”
- Updated results on neutrino mass and mass hierarchy from cosmology with Planck 2018 likelihoods (2019, background): “ Parameter Prior ! c [0.005, 0.1] ! b [0.001, 0.99] s [0.5, 10] ˝ [0.01, 0.8] n s [0.8, 1.2] ln[1010A s] [2, 4] m 0 (eV) [0, 1] r [0, 1] w [-3, -0.33] w 0 [-3, -0.33] w a [-2, 2] k [-0.3, 0.3] A Lens [0, 3] Table 1. Flat priors on the main cosmological parameters constrained in this paper in the ana”
- Global fit to three neutrino mixing: critical look at present precision (2012, methodology): “ 100 m are included; for \Huber Fluxes, no RSBL" the ux prediction from [42] are adopted and RSBL data are not used in the t. with the recent spectrum from Double Chooz with 227.9 days live time [28,29], and the total even rates in the near and far detectors in Daya Bay [30] with 126 live days ”
- Spontaneous CP violation from vacuum alignment in S4 models of leptons (2013, background): “Recent hints [1–3] for a nonzero reactor mixing angle θ13, and its subsequent measurement by the Daya Bay [4], RENO [5] and Double Chooz [6] Collaborations have revealed an unexpectedly large mixing angle of about 9◦ to an accuracy comparable to the other two lepton mixing angles, i.”