Measurement of the B0d- B̅0d oscillation frequency

Acciarri, M. ; Adriani, O. ; Aguilar-Benitez, M. ; Gurtu, A. ; et., al (1998) Measurement of the B0d- B̅0d oscillation frequency The European Physical Journal C - The Particles and Fields, 5 (2). pp. 195-203. ISSN 1434-6044

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Time-dependent mixing is studied using about two million hadronic Z decays registered by L3 in 1994 and 1995. For this study three techniques are used. Tagging of the b-quark charge at decay time is performed by identifying leptons from semileptonic B decays. The flavour of the b quark at production time is determined from the charge of the lepton in the opposite hemisphere or by using a jet-charge technique. The proper time of the B-particle decay is obtained by reconstructing the production and decay vertices or by a measurement of the lepton impact parameter. The combined result for the frequency of meson oscillations is

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ID Code:83536
Deposited On:21 Feb 2012 12:49
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