Measurements of CP-Violating Asymmetries and Branching Fractions in B Decays to omegaK and omegapi

Details Measurements of CP-Violating Asymmetries and Branching Fractions in B Decays to omegaK and omegapi Measurements of CP-Violating Asymmetries and Branching Fractions in B Decays to omegaK and omegapi

2006-03-20

arxiv.org/abs/hep-ex/0603040v2

Phys.Rev.D74:011106,2006

Physics

High Energy Physics

High Energy Physics - Experiment

Version published in PRD-RC

Scientific paper

10.1103/PhysRevD.74.011106

We present measurements of CP-violating asymmetries and branching fractions for the decays omegapi+, omegaK+, and omegaK0. The data sample corresponds to 232 million BBbar pairs produced by e+e- annihilation at the Upsilon(4S) resonance. For the decay omegaKs, we measure the time-dependent CP-violation parameters S=0.51+0.35-0.39+/-0.02, and C=-0.55+0.28-0.26+/-0.03. We also measure the branching fractions, in units of 10^-6, B(omegapi+)=6.1+/-0.7+/-0.4, B(omegaK+)=6.1+/-0.6+/-0.4, and B(omegaK0)=6.2+/-1.0+/-0.4, and charge asymmetries Ach(omegapi+)=-0.01+/-0.10+/-0.01 and Ach(omegaK+)=0.05+/-0.09+/-0.01.

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