B->Xq l+ l- (q=d,s) and Determination of |Vtd/Vts|

Details B->Xq l+ l- (q=d,s) and Determination of |Vtd/Vts| B->Xq l+ l- (q=d,s) and Determination of |Vtd/Vts|

1997-08-11

arxiv.org/abs/hep-ph/9708299v2

Phys.Rev. D56 (1997) 7240-7246

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages ,4 Postscript figures, uses psfig.sty

Scientific paper

10.1103/PhysRevD.56.7240

We propose a new method to extract |Vtd/Vts| from the ratio of the decay distributions dR/ds = dB(B->Xdl+l-)/ds/dB(B->Xsl+l-)/ds. This ratio depends only on the KM ratio |Vtd/Vts| with 15% theoretical uncertainties, if dilepton invariant mass-squared s is away from the peaks of the possible resonance states, J/psi, psiprime, and etc. We also give a detailed analytical and numerical analysis on dB(B-Xql+l-)/ds (q=d,s) and dR/ds.

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