Measurement of theB0−B¯0Oscillation Frequency with Inclusive Dilepton Events

2001/12/31 by B. Aubert, D. Boutigny, J.-M. Gaillard +97 · 2 citations
Engineering · Physics and Astronomy · #Particle Accelerators and Free-Electron Lasers #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ex

paper · pdf · doi:10.1103/physrevlett.88.221803

published as Phys.Rev.Lett.88:221803,2002 · 7 pages, 1 figure, submitted to Physical Review Letters

arxiv created 2001/12/31 · openalex publication_date 2002/05/20 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/04

Abstract

The B⁰\ensuremath-B⁰ oscillation frequency has been measured with a sample of 23\ifmmode×\else\texttimes\fi10⁶BB pairs collected with the BABAR detector at the PEP-II asymmetric B Factory at SLAC. In this sample, we select events in which both B mesons decay semileptonically and use the charge of the leptons to identify the flavor of each B meson. A simultaneous fit to the decay time difference distributions for opposite- and same-sign dilepton events gives \ensuremathΔm_d\phantom\rule0ex0ex=\phantom\rule0ex0ex0.493\ifmmode±\else\textpm\fi0.012(stat)\ifmmode±\else\textpm\fi0.009(syst)ps^\ensuremath-1.

Citations

• Measurement ofB0−B¯0Flavor Oscillations in HadronicB0Decays
• CP-Violation in the Renormalizable Theory of Weak Interaction

Cited by

• Measurement ofB0−B¯0Flavor Oscillations in HadronicB0Decays
• Studies ofB0−B0mixing properties with inclusive dilepton events