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[en] The BO and B-barO mesons are thought to be linear combinations of the mass eigenstates, which may differ in mass. The components of different mass in the wavefunction have a time-dependent phase difference. Thus the probability to observe a BO or B-barO meson oscillates. The mixing parameter χ = Δ m/Γ gives the oscillation frequency, in terms of the lifetime τ of the meson, where Δ m and Γ are the mass difference and width of the mass eigenstates. Techniques for measuring the mixing parameters are discussed. (Author)
Journal
Journal of Physics. G, Nuclear and Particle Physics; ISSN 0954-3899; 
; CODEN JPGPED; v. 18(10); p. 1683-1691
; CODEN JPGPED; v. 18(10); p. 1683-1691
[en] The goal of the SLAC B-Factory is to measure CP violation in the decay of B-mesons and to test the standard model description of CP violation. Work is now underway in upgrading the PEP collider for this project, and much of the preliminary detector design has been done. The physics goals and design of PEP-II are briefly discussed, and the current plans for the detector are outlined. copyright 1995 American Institute of Physics
Journal
No abstract available
Journal
[en] We give an estimate of the C-even B0 bar B0 background coming from the radiative decay Υ(4S)→B0 bar B0γ at B factories. Our result B(Υ(4S)→B0 bar B0γ)≅3x10-9 shows that such a background could be safely neglected in the analyses of CP-violating effects. copyright 1996 The American Physical Society
Journal
[en] Data collected with the OPAL detector during 1990-1994 are used to measure the time dependence of B0d<->B0d mixing. A sample of 348 D*± candidates with a lepton in the opposite hemisphere are reconstructed, of which 167±25 are expected to be from B0d decays. The B0d oscillation frequency is measured to be Δmd=0.567±0.089(stat)+0.029-0.023(syst) ps-1. A previously published analysis of Δmd using D*± and lepton candidates in the same hemisphere and jet charge is also updated with a larger data sample. From 1200 D*±l-+ candidates, of which 778±84 are expected to be from B0d decays, we find a value of: Δmd=0.539±0.060(stat)±0.024(syst)ps-1. The combined result of these two analyses is Δmd=0.548±0.050(stat)+0.023-0.019(syst)ps-1. (orig.)
Journal
Zeitschrift fuer Physik. C, Particles and Fields; ISSN 0170-9739; ; CODEN ZPCFD2; v. 72(3); p. 377-388
; CODEN ZPCFD2; v. 72(3); p. 377-388
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