Actions for Studies of CP Violation at BABAR [electronic resource].

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Studies of CP Violation at BABAR [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 2001.
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
BABAR has studied the time dependent asymmetries in the decays B° → J/ψK{sub s}° and B° → ψ(2S) K{sub s}° in a data set of 9.0 fb⁻¹ taken at the Υ(4S) resonance. In these channels we reconstruct 168 events of which 120 are flavor tagged and used in a likelihood fit where we determine sin 2β. The flavor of the other neutral B mesons is tagged using information primarily from identified leptons and Kaons. A neural network is used to recover events without any clear Kaon or lepton signature. A preliminary result of sin 2β = 0.12 ± 0.37 ± 0.09 is obtained.
Report Numbers
E 1.99:slac-pub-8780
slac-pub-8780
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Note
Published through SciTech Connect.
03/22/2001.
"slac-pub-8780"
Ryd, Anders.
Type of Report and Period Covered Note
Topical;
Funding Information
AC03-76SF00515
View MARC record | catkey: 14711470