0000000001252088

AUTHOR

A.m. Giorgi

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Measurement of B- mixing at the Z

1991

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 χ , the probability thata b hadron which is observed to decay originated as a b hadron. We find χ =0.132 −0.026 +0.027 .

PhysicsNuclear and High Energy PhysicsParticle physicsAlephElectron–positron annihilationHigh Energy Physics::PhenomenologyHadronDecision makerMeasure (mathematics)Nuclear physicsHigh Energy Physics::ExperimentNuclear ExperimentMixing (physics)LeptonPhysics Letters B
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