Angle \theta_13 is one of the two unknown neutrino mixing parameters to be
determined. Its value may determine the future trend of the neutrino physics.
We propose to measure sin^22\theta_13 with a sensitivity better than 0.01 (90%
C.L) at the Daya Bay reactor power plant.Comment: 4 pages, 6 figures, talk given at ICHEP06, Moscow, July 26-Aug.2,
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