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Measurement of time-dependent CP asymmetry in B0→cc¯K(*)0 decays
- Aubert, B;
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- et al.
Abstract
We present a preliminary measurement of the time-dependent CP asymmetry in B0 → K *0 (K 0 S π 0 )γ decays based on 431 × 106 γ(4S) → BB decays collected with the BABAR detector at the PEP-II asymmetric-energy e + e - collider at SLAC. In a sample containing 316±22 signal events we measure SK * = -0.08 ± 0.31 ± 0.05 and CK * γ = -0.15 ± 0.17 ± 0.03. The uncertainties are statistical and systematic, respectively.
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