PARAMETER sin 2 β ( sin 2 φ 1 ) AT B FACTORY EXPERIMENTS
نویسنده
چکیده
Recent results on B mixing and CP violation from the B-factory experiments, BABAR at PEP-II and Belle at KEK-B, are summarized. A discussion of CP violation is then presented which concentrates on the CP parameter sin2β (also known as sin2φ1). The most recent measurements of this parameter from B-factory data yield sin2β = 0.741± 0.067 (stat)± 0.033 (syst) (BaBar) sin2φ1 = 0.719± 0.072 (stat)± 0.035 (syst) (Belle). These two B-factory results contribute to the current world average of sin2β = 0.735± 0.055
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