Combining Accelerator and Reactor Measurements of $\theta_{13}$: The First Result - INSPIRE

Combining Accelerator and Reactor Measurements of $\theta_{13}$ : The First Result

P.A.N. Machado
(
- Sao Paulo U. and
- Saclay, SPhT
)
,
H. Minakata
(
- Tokyo Metropolitan U.
)
,
H. Nunokawa
(
- Rio de Janeiro, Pont. U. Catol.
)
,
R. Zukanovich Funchal
(
- Sao Paulo U.
)

Nov, 2011

5 pages

Published in:

JHEP 05 (2012) 023

e-Print:

1111.3330 [hep-ph]

DOI:

10.1007/JHEP05(2012)023

View in:

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Abstract: (arXiv)

The lepton mixing angle theta_13, the only unknown angle in the standard three-flavor neutrino mixing scheme, is finally measured by the recent reactor and accelerator neutrino experiments. We perform a combined analysis of the data coming from T2K, MINOS, Double Chooz, Daya Bay and RENO experiments and find sin^2 2theta_13 = 0.096 \pm 0.013 (\pm 0.040) at 1 sigma (3 sigma) CL and that the hypothesis theta_13 = 0 is now rejected at a significance level of 7.7 sigma. We also discuss the near future expectation on the precision of the theta_13 determination by using expected data from these ongoing experiments.

Note:

Final version to be published in JHEP, RENO included, theta13 = 0 is now rejected at 7.7 sigma CL, 12 pages, 4 figures

neutrino: nuclear reactor
lepton: mixing angle
neutrino: mixing
accelerator
Double Chooz
KAMIOKANDE
J-PARC Lab
MINOS

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Figures(8)

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