A Measurement of CP Violation in B0 Meson Decays with Belle

Details A Measurement of CP Violation in B0 Meson Decays with Belle A Measurement of CP Violation in B0 Meson Decays with Belle

2000-10-04

arxiv.org/abs/hep-ex/0010008v1

Physics

High Energy Physics

High Energy Physics - Experiment

13 pages, 12 figures, Talk given at the XXXth International Conference on High Energy Physics, july 27 - August 2, Osaka, Japa

Scientific paper

We present a preliminary measurement of the Standard Model CP violation
parameter $\sin 2\phi_1$ using the Belle detector. A $6.2~{\rm fb}^{-1}$ sample
of events produced by the KEKB asymmetric $e^+e^-$ collider operating at the
$\Upsilon(4S)$ resonance is used. We report a preliminary result of $$\sin
2\phi_1=0.45^{+0.43}_{-0.44}({\rm stat})^{+0.07}_{-0.09}({\rm syst}).$$

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