Re-examination of long distance effects in $b\to sl^+l^-$

Details Re-examination of long distance effects in $b\to sl^+l^-$ Re-examination of long distance effects in $b\to sl^+l^-$

1997-02-18

arxiv.org/abs/hep-ph/9702358v1

Phys.Lett. B397 (1997) 279-282

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex file, 10 pages, 2 figures included

Scientific paper

10.1016/S0370-2693(97)00186-X

We re-analyse the long distance contributions to the process $b \to s l^+ l^-$. Full $q^2$-behavior of the vector meson dominance amplitude is used together with the effect of Terasaki suppression, and comparisons with the previous results are given. We show that the interference between short- and long- distance contributions makes it difficult to extract the short distance information from the dominant long distance background, either in the dilepton invariant mass distribution or in the single lepton energy spectrum.

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