From more than 175 000 hadronic Z decays observed with the ALEPH detector at LEP, we select 823 events with pairs of leptons in the final state. From these we measure-chi, the probability that a b hadron which is observed to decay originated as a bBAR hadron. We find chi = 0.132(-0.026)+0.027.
MEASUREMENT OF B-BBAR MIXING AT THE Z
CATTANEO P;
1991-01-01
Abstract
From more than 175 000 hadronic Z decays observed with the ALEPH detector at LEP, we select 823 events with pairs of leptons in the final state. From these we measure-chi, the probability that a b hadron which is observed to decay originated as a bBAR hadron. We find chi = 0.132(-0.026)+0.027.File in questo prodotto:
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