B → Xql + l − (q = d,s) and Determination of ∣ ∣∣ ∣ Vtd Vts

نویسنده

  • C. S. Kim
چکیده

We propose a new method to extract |Vtd| |Vts| from the ratio of the decay distributions dR ds ≡ dB ds [B → Xdll]/ ds [B → Xsll ]. This ratio depends only on the KM ratio |Vtd| |Vts| with very little theoretical uncertainties, if dilepton invariant mass-squared s is away from the peaks of the possible resonance states, J/ψ, ψ′, and etc. We also give a detailed analytical and numerical analysis on dB ds [B → Xqll ](q = d, s) and dR ds . E-mail address: [email protected], [email protected] E-mail address: [email protected] E-mail address: [email protected]

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تاریخ انتشار 1997