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Measurement of the time dependence of B0-B0(bar) oscillations using inclusive dilepton events [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 2000.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
vp : digital, PDF file
Additional Creators
Stanford Linear Accelerator Center, United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
A preliminary study of time dependence of B°{bar B}° oscillations using dilepton events is presented. The flavor of the B meson is determined by the charge sign of the lepton. To separate signal leptons from cascade and fake leptons we have used a method which combines several discriminating variables in a neural network. The time evolution of the oscillations is studied by reconstructing the time difference between the decays of the B mesons produced by the Υ(4S) decay. With an integrated luminosity of 7.7 fb⁻¹ collected on resonance by BABAR at the PEP-II asymmetric B Factory, we measure the difference in mass of the neutral B eigenstates, Δm{sub B°}, to be (0.507 ± 0.015 ± 0.022) x 10¹² ℏ s⁻¹.
Report Numbers
E 1.99:slac-pub-8532
slac-pub-8532
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
10/16/2000.
"slac-pub-8532"
Barrera, Barbara.
Type of Report and Period Covered Note
Topical;
Funding Information
AC03-76SF00515
View MARC record | catkey: 14712559