Exclusive $B --> π\ell^+ \ell^-$ and $B --> ρ\ell^+ \ell^-$ Decays in the Universal Extra Dimension

Details Exclusive $B --> π\ell^+ \ell^-$ and $B --> ρ\ell^+ \ell^-$ Decays in the Universal Extra Dimension Exclusive $B --> π\ell^+ \ell^-$ and $B --> ρ\ell^+ \ell^-$ Decays in the Universal Extra Dimension

2008-05-22

arxiv.org/abs/0805.3386v1

Phys.Rev.D79:033006,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 4 figures

Scientific paper

10.1103/PhysRevD.79.033006

We investigate the influence of the universal extra dimension on the branching ratio in the $B \to \pi(\rho) \ell^+ \ell^-$ decay. Taking $1/R\sim \{200-1000\}$GeV with one universal extra spatial dimension, which is consistent with the experimental data for ${\cal B}(B \to X_s \gamma) $, ${\cal B}(B \to K^\ast \mu^+\mu^- $) and the electroweak precision tests, we obtain that for both ($\mu,\tau$) channels the branching ratio strongly depends on the compactification radius 1/R.

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