The effects of non-standard Z couplings on the lepton polarizations in B_s to γ\ell^+ \ell^- decays

Details The effects of non-standard Z couplings on the lepton polarizations in B_s to γ\ell^+ \ell^- decays The effects of non-standard Z couplings on the lepton polarizations in B_s to γ\ell^+ \ell^- decays

2005-04-27

arxiv.org/abs/hep-ph/0504250v1

Mod.Phys.Lett. A20 (2005) 533-542

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 6 figures

Scientific paper

10.1142/S0217732305016075

The fact that the measured B to \pi \pi, \pi K branching ratios exhibit puzzling patterns has received a lot of attention in the literature and motivated the formulation of a series of new physics scenarios with enhanced Z-penguins. In this work, we analyze the effect of such an enhancement on the lepton polarization asymmetries of B_s to \gamma \ell^+ \ell^- decays by applying the results of a specific scenario for the solution of ``B to \pi K puzzle''.

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