A Study of $B^0$ - $\bar{B}^0$ mixing using semileptonic decays of $B$ hadrons produced from $Z^0$ - INSPIRE

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A Study of $B^0$ - $\bar{B}^0$ mixing using semileptonic decays of $B$ hadrons produced from $Z^0$

DELPHI

Collaboration

Dec, 1992

14 pages

Published in:

Phys.Lett.B 301 (1993) 145-154

DOI:

10.1016/0370-2693(93)90736-2

PDG:

{{\overline{\mathit b}}}

\rightarrow

{{\mathit e}^{+}}{{\mathit \nu}_{{{e}}}}

Report number:

CERN-PPE-92-203

Experiments:

CERN-LEP-DELPHI

View in:

CERN Document Server

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Abstract: (Elsevier)

The B 0 − B 0 mixing was studied by using about 250 000 hadronic decays of the Z 0 , collected with the DELPHI detector at LEP. With 1665 dilepton events, the probability for a b quark to become a b before decaying was found to be χ = 0.121 −0.040 +0.044 ± 0.017. The semileptonic branching ratio of the b was measured from the dilepton and single lepton events and found to be Br(b → l ) = (10.0 ± 0.7 ± 0.7)%.

electron positron: colliding beams
colliding beams: electron positron
electron positron: annihilation
annihilation: electron positron
Z0: electroproduction
electroproduction: Z0
Z0: nonleptonic decay
nonleptonic decay: Z0
bottom: pair production
pair production: bottom

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Figures(0)

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