Improved measurement of CP violation in neutral B decays to ccs

B. Aubert, L.L. Zhang, S. Chen, W. Wang, J.M. Anderson, X.H. Li, M.A. Baak, G. Raven, H. Snoek, P. David, H. Liu, N. van Bakel, A. Wagner, Z. Yu

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

We present updated measurements of time-dependent CP asymmetries in fully-reconstructed neutral B decays to several CP eigenstates containing a charmonium meson. The measurements use a data sample of (383±4) ×106Υ(4S)→BB̄ decays collected with the BABAR detector at the PEP-II B factory. We determine sin 2β=0.714±0.032(stat) ±0.018(syst) and |λ|=0.952±0.022(stat)±0.017(syst). © 2007 The American Physical Society.
Original languageEnglish
JournalPhysical Review Letters
Volume99
Issue number17
DOIs
Publication statusPublished - 2007

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Improved measurement of CP violation in neutral B decays to ccs

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