Complementarity of Bs->mu+mu- and B-> K l+l- in New Physics searches

Abstract

This year, LHC provided a very stringent bound on Br(Bs->mu+mu-), bringing it closer to the value predicted by the Standard Model (SM). Bs->mu+mu- was believed to be the golden mode at LHCb to find SUSY because a large enhancement was expected in the regime of moderate and large values of tanb. Other scenarios are still possible and a correlation with other decay channels is needed. We show that a complementary information on New Physics (NP) can be obtained model-indepedently from the B-> K l+l- decay mode. We provide a prediction Br(B-> K l+l-) based on the first lattice QCD results for all three relevant form factors, f0(q^2), f+(q^2) and fT(q^2). We were then able to provide the model-independent bounds on the complex couplings to scalar and pseudoscalr operators in the b->s sector.

Contributed to the 16th International Conference in Quantum ChromoDynamics (QCD12), Montpellier, France, 2-6 Jul 2012

References in corpus (7)

• Angular Distributions of B -> K ll Decays
• Probing New Physics via the $B_s^0\to {\mu }^{+}{\mu }^{-}$ Effective Lifetime
• Strong constraints on the rare decays Bs -> mu+ mu- and B0 -> mu+ mu-
• Form Factors from Light-Cone Sum Rules with B-Meson Distribution Amplitudes
• On the Standard Model prediction for BR(B{s,d} to mu+ mu-)
• Measurement of the isospin asymmetry in $B\to K^{(\ast )}{\mu }^{+}{\mu }^{-}$ decays
• An estimate of the B-->K*gamma form factor

Cited by in corpus (3)

• $B_s\to {\mu }^{+}{\mu }^{-}$ as current and future probe of new physics
• Testing spin-2 mediator by angular observables in $b\to s{\mu }^{+}{\mu }^{-}$
• The Beauty of Lattice Perturbation Theory: The Role of Lattice Perturbation Theory in B Physics