Theoretical status of $B\to K^{\ast }{\mu }^{+}{\mu }^{-}$: The path towards New Physics

Abstract

We summarize the status of the analysis of the 4-body angular distribution $B\to K^{\ast }(\to K\pi ){\mu }^{+}{\mu }^{-}$ using a basis of optimized observables. We provide a New Physics interpretation of the pattern of deviations observed in the 1fb${}^{-1}$ dataset with the coefficient of the semileptonic operator $O_9$ being the main responsible for this pattern. Also other scenarios involving more Wilson coefficients are briefly discussed. Further, we present a detailed description of each of the hadronic uncertainties entering our predictions and suggest possible tests for alternative hadronic explanations. Our most accurate SM predictions for the optimized observables in various bins including all uncertainties are also provided.

17 pages, 1 figure. Talk given at the Discrete 2014: Fourth Symposium on Prospects in the Physics of Discrete Symmetries

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Cited by in corpus (9)

• Lepton Flavor Non-Universality in B decays from Dynamical Yukawas
• Z' models for the LHCb and g-2 muon anomalies
• Prospects of discovering new physics in rare charm decays
• Phenomenology of semileptonic B-meson decays with form factors from lattice QCD
• Linear flavour violation and anomalies in B physics
• On the significance of new physics in $b\to s{\ell }^{+}{\ell }^{-}$ decays
• Quark-flavored scalar dark matter
• Effect of $c\overline{c}$ resonances in the branching ratio and forward-backward asymmetry of the decay $B\to K^{\ast }{\mu }^{+}{\mu }^{-}$
• $B\to K^{\ast }{l}^{+}{l}^{-}$: Zeroes of angular observables as test of standard model