Measurement of the B0 - Bˉ0 mixing parameter in DELPHI

Abreu, P.;Cortina Gil, Eduardo;DELPHI Collaboration;et.al.
(1994) Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics — Vol. 332, n° 3-4, p. 488-500 (1994)

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A total of about View the MathML source decays have been analyzed to measure the View the MathML source mixing probability. Two different b tagging techniques have been used: events with two leptons and events with one lepton and one Λ. From a combination of the two methods the average mixing parameter, χ, was determined to be (12.1±1.6(stat.)±0.4(syst.)±0.4(model)%.
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Abreu, P., Cortina Gil, E., DELPHI Collaboration, & et al. (1994). Measurement of the B0 - Bˉ0 mixing parameter in DELPHI. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 332(3-4), 488-500. https://doi.org/10.1016/0370-2693(94)91285-8 (Original work published 1994)