Towards Precise Determinations of the CKM Matrix without Hadronic Uncertainties
A. J. Buras
Abstract
We illustrate how the measurements of the CP asymmetries in B0d,s-decays together with a measurement of Br(KL πνν) or Br(K+ π+νν) and the known value of Vus can determine all elements of the Cabibbo-Kobayashi-Maskawa matrix essentially without any hadronic uncertainties. An analysis using the ratio xd/xs of Bd- Bd to Bs- Bs mixings is also presented.
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