Measurements of CP-Violating Asymmetries in B Decays to omegaKs
The BABAR Collaboration, B. Aubert, et al
TL;DR
This paper reports preliminary measurements of CP-violating asymmetries in B meson decays to omega K0S using a large data sample, providing insights into CP violation in the quark sector.
Contribution
First measurement of CP-violating parameters in B decays to omega K0S with a large dataset at the Upsilon(4S) resonance.
Findings
Measured S = 0.62+0.25-0.30+/-0.002
Measured C = -0.43+0.25-0.23+/-0.03
Data sample of 347 million BBbar pairs
Abstract
We present preliminary measurements of CP-violating asymmetries for the decay omega K0S. The data sample corresponds to 347 million BBbar pairs produced by e+e- annihilation at the Upsilon(4S) resonance. For the decay omega K0S, we measure the time-dependent CP-violation parameters S = 0.62+0.25-0.30+/-0.002, and C = -0.43+0.25-0.23+/-0.03, where the first uncertainty is statistical and the second systematic.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Neutrino Physics Research · Quantum Chromodynamics and Particle Interactions