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Study of CP asymmetry in B0- B ̄ 0 mixing with inclusive dilepton events

Lees, J. P.
•
Poireau, V.
•
Tisserand, V.
altro
Wu, S. L.
2015
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
We present a measurement of the asymmetry ACP between same-sign inclusive dilepton samples ++ and - (=e, μ) from semileptonic B decays in (4S)→BB ̄ events, using the complete data set recorded by the BABAR experiment near the (4S) resonance, corresponding to 471×106 BB ̄ pairs. The asymmetry ACP allows comparison between the mixing probabilities P(B ̄0→B0) and P(B0→B ̄0), and therefore probes CP and T violation. The result, ACP=[-3.9±3.5(stat)±1.9(syst)]×10-3, is consistent with the standard model expectation.
DOI
10.1103/PhysRevLett.114.081801
WOS
WOS:000350326500004
Archivio
http://hdl.handle.net/11368/2871965
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84924148022
http://journals.aps.org/prl/issues/114/8
Diritti
open access
license:digital rights management non definito
license:digital rights management non definito
FVG url
https://arts.units.it/request-item?handle=11368/2871965
Soggetti
  • Physics and Astronomy...

Web of Science© citazioni
19
Data di acquisizione
Mar 11, 2024
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