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The authors present preliminary measurements of the average B hadron lifetime using a sample of 50,000 Z° events collected by SLD at the SLC in 1993. Their fir

The average B hadron lifetime was measured using data collected with the SLD detector at the SLC in 1993. From a sample of -50,000 Z° events, a sample enriched

CP violation was first observed in 1964, but only in 1999 did we gain much greater experimental insight. Direct CP violation finally appeared in the form of ε�