Acciarri, M. ; Adriani, O. ; Aguilar-Benitez, M. ; Gurtu, A. ; et., al (1996) Measurement of Bd0 meson oscillation frequency Physics Letters B, 383 (4). pp. 487-498. ISSN 0370-2693
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0370-2693(96)00768-X
Abstract
Time-dependent Bd0-B̅d0 mixing is studied using 1.5 million hadronic Z decays collected by L3. Semileptonic B decays are selected by requiring at least one reconstructed lepton in both thrust hemispheres. Charge correlations between the tagged leptons are studied as a function of proper time. The proper time of the b-hadron decay is measured by reconstructing the production and decay vertices using a silicon microvertex detector. The measured Bd0 meson oscillation frequency corresponds to a mass difference Δmd between the two Bd0 mass eigenstates of Δmd = (0.496-0.051+0.055 (stat) ± 0.043 (syst)) ps-1.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 83575 |
| Deposited On: | 21 Feb 2012 12:46 |
| Last Modified: | 21 Feb 2012 12:46 |
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