Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-09-03
Nucl.Phys.Proc.Suppl.152:154-157,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages; 4 figures (requires epsfig, psfrag); To appear in the proceedings of the 11th International Conference on Quantum Chr
Scientific paper
10.1016/j.nuclphysbps.2005.08.02
We study the implication of the time-dependent CP asymmetry in $B\to\pi^+\pi^-$ decays on the extraction of weak phases taking into account the precise measurement of $\sin 2\beta$, obtained from the ``gold-plated''mode $B\to J/\psi K_S$. Predictions and uncertainties for the hadronic parameters are investigated in QCD factorization. Furthermore, independent theoretical and experimental tests of the factorization framework are briefly discussed. Finally, a model-independent bound on the unitarity triangle from CP violation in $B\to\pi^+\pi^-$ and $B\to J/\psi K_S$ is derived.
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