The Long Distance Contribution to $D\toπl^+l^-$

Details The Long Distance Contribution to $D\toπl^+l^-$ The Long Distance Contribution to $D\toπl^+l^-$

1996-12-31

arxiv.org/abs/hep-ph/9612495v1

Phys.Rev.D55:1127-1129,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex file, 10 pages, no figure

Scientific paper

10.1103/PhysRevD.55.R1127

We calculate the long distance contribution to $D^{+,0}\to\pi^{+,0}l^+l^-$ decays by the use of a vector meson dominance model, in which the $\phi$-meson plays the central role. The branching ratios obtained are $10^{-6}$ and a few times $10^{-7}$ for the resonance and non-resonance regions respectively. The analysis includes a calculation of $D^+\to\pi^+\phi$, consistent with the experimental value.

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