Measurement of time-dependent CP asymmetry in B-0 -> c(c)over barK((*)0) decays

Journal article

We present updated measurements of time-dependent CP asymmetries in fully reconstructed neutral B decays containing a charmonium meson. The measurements reported here use a data sample of (465±5)×106 Υ(4S) →BB̄ decays collected with the BABAR detector at the PEP-II asymmetric energy e+e- storage rings operating at the SLAC National Accelerator Laboratory. The time-dependent CP asymmetry parameters measured from JψKS0, JψKL0, ψ(2S)KS0, ηcKS0, χc1KS0, and J/ψK*(892)0 decays are: Cf=0.024±0.020(stat)±0.016(syst) and -ηfSf=0. 687±0.028(stat)±0.012(syst). © 2009 The American Physical Society.

Authors: Aubert, B; Karyotakis, Y; Lees, J; Poireau, V; Prencipe, E

• Publication status: Published
• Journal: Physical Review D
• Volume: 79
• Issue: 7
• Publication date: 2009-04-01
• DOI: 10.1103/PhysRevD.79.072009
• EISSN: 1550-2368
• ISSN: 1550-7998
• Language: English