Measurement of B0d - Bˉd 0 oscillations
(1997) Zeitschrift für Physik. C, Particles and fields — Vol. 76, n° 4, p. 579-598 (1997)
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- Abstract
- (en) B d 0 meson oscillations are measured in hadronic Z0 decays using the charge of a lepton or the mean charge of an event hemisphere to sign the presence of a b or a b̄ quark when it is produced, and using the charge of a lepton emitted at large pt or of a D*± to sign the presence of a B or a B̄ meson when it decays. With 3.2 million hadronic Z0 decays registered by DELPHI between 1991 and 1994, the mass difference Δm d between the two physical B d 0 states is measured in four channels: https://static-content.springer.com/image/art%3A10.1007%2Fs002880050582/MediaObjects/288_2014_76004579_Fig2_HTML.gif Taking into account the statistical overlap between these measurements and the common systematic uncertainties, the combined result is: https://static-content.springer.com/image/art%3A10.1007%2Fs002880050582/MediaObjects/288_2014_76004579_Fig3_HTML.gif
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Citations
Abreu, P., Cortina Gil, E., DELPHI Collaboration, & et al. (1997). Measurement of B0d - Bˉd 0 oscillations. Zeitschrift für Physik. C, Particles and fields, 76(4), 579-598. https://doi.org/10.1007/s002880050582 (Original work published 1997)