MEASUREMENT OF TIME-DEPENDENT B-D(0) (B)OVER-BAR-D(0) MIXING

MEASUREMENT OF TIME-DEPENDENT B-D(0) (B)OVER-BAR-D(0) MIXING

The time dependent mixing of Bd0-B̄d0 mesons has been observed by using the correlations between the charge of D* mesons and the weighted mean charge of particles in each hemisphere. From a reconstructed D*± sample corresponding to about 1.7 million hadronic Z0 decays, the mass difference between th...

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Bibliographic Details
Main Authors: Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, R, Alekseev, G, Allport, P, Almehed, S, Almeida, F, Alvsvaag, S, Amaldi, U, Andreazza, A, Antilogus, P, Apel, W, Apsimon, R, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barate, R, Bardin, D
Format: Journal article
Language:English
Published: 1994
Description
Summary:The time dependent mixing of Bd0-B̄d0 mesons has been observed by using the correlations between the charge of D* mesons and the weighted mean charge of particles in each hemisphere. From a reconstructed D*± sample corresponding to about 1.7 million hadronic Z0 decays, the mass difference between the two Bd0 mass eigenstates has been measured to be Δm = 0.50±0.12 (stat.) ± 0.06 (syst.) (Latin small letter h with stroke sign)/ps or, converting into eV/c2: Δm = [3.29±0.79 (stat.) ± 0.39 (syst.)] 10-4 eV/c2.

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