Reviews of topical problems

B-Meson oscillations

,  a,
a Russian Federation State Scientific Center A.I. Alikhanov Institute ofTheoretical and Experimental Physics, ul. Bolshaya Cheremushkinskaya 25, Moscow, 117259, Russian Federation

A review is given of experimental data on $\mathrm{B^0\bar B^0}$ oscillations. Basic theoretical concepts are discussed and an analogy with $\mathrm{K^0\bar K^0}$ oscillations is noted. A detailed analysis is given of experimental searchesfor $\mathrm{B^0\bar B^0}$ oscillations with particular attention devoted to the ARGUS data, which reveal $\mathrm{B^0_d\bar B^0_d}$ mixing with $r=\Gamma(\mathrm{B^0}\to\bar{\mathrm B}^0$ $\to X'$)/$\Gamma$($\mathrm{B^0}$ $\to X$) = 0.21 $\pm$ 0.08. The consequences of large $\mathrm{B^0\bar B^0}$ mixing are examined and future studies of the properties of the b quark are discussed.

PACS: 13.25.Hw, 14.40.Nd, 11.30.Er, 12.10.−g (all)
DOI: 10.1070/PU1989v032n03ABEH002687
Citation: Golutvin A I, Danilov M V, Zaitsev Yu M "B-Meson oscillations" Sov. Phys. Usp. 32 189–199 (1989)
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:   ,   ,    « -» 157 369–388 (1989); DOI: 10.3367/UFNr.0157.198903a.0369

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