Squark flavor implications from $ \bar{B} \to {\bar{K}^{{( * )}}}{l^{ + }}{l^{ - }} $

  title={Squark flavor implications from \$ \bar\{B\} \to \{\bar\{K\}^\{\{( * )\}\}\}\{l^\{ + \}\}\{l^\{ - \}\} \$},
  author={Arnd Behring and Christian Gross and Gudrun Hiller and Stefan Schacht},
  journal={Journal of High Energy Physics},
A bstractRecent experimental and theoretical progress regarding $ \bar{B} \to {K^{{( * )}}}{l^{ + }}{l^{ - }} $ decays led to improved bounds on the Wilson coefficients C9 and C10 of four-fermion operators of the |ΔB| = |ΔS| = 1 effective Hamiltonian. We analyze the resulting implications on squark flavor violation in the MSSM and obtain new constraints on flavor-changing leftright mixing in the up-squark-sector. We find the dimensionless flavor mixing parameter $ {(\delta_{{23}}^{\mu })_{{LR… 
15 Citations

On B → Vℓℓ at small dilepton invariant mass, power corrections, and new physics

A bstractWe investigate rare semileptonic $ \overline{B}\to {{\overline{K}}^{*}}{\ell^{+}}{\ell^{-}} $ decays, providing a comprehensive treatment of theoretical uncertainties in the low-q2 region as

Complementarity of the constraints on New Physics from $B_s\to \mu^+\mu^-$ and from $B\to K \ell^+\ell^-$ decays

We discuss the advantages of combining the experimental bound on Br(B_s -> mu+ mu-) and the measured Br(B -> K l+l-) to get the model independent constraints on physics beyond the Standard Model.

On theS-wave pollution ofB→K*l+l−observables

It has been argued recently that transverse asymmetries that are expected to be shielded from the presence of the S-wave (Kpi) pairs originating from the decay of a scalar K0* meson, are indeed

Implications of LHCb measurements and future prospects

During 2011 the LHCb experiment at CERN collected 1.0 fb−1 of $\sqrt{s} = 7\mbox{~TeV}$pp collisions. Due to the large heavy quark production cross-sections, these data provide unprecedented samples

B -> K* mu+ mu- optimised observables in the MSSM

We provide a detailed analysis of the impact of the newly measured optimised observables in the B → K ∗ μ + μ − decay by the LHCb experiment. The analysis is performed in the MSSM, both in the

New Physics constraints from rare b → s + (γ, ℓ+ℓ−) decays

The experimental measurements of flavor-changing neutral-current B -meson decays governed by b → s + (γ , l + l − ) transitions have entered a new level of precision. Recent results by Belle, CDF,

Flavor constraints on new physics

We review the recent progress in our theoretical understanding of flavor-changing processes. The overall excellent agreement with the corresponding measurements allows to derive severe constraints on

Supersymmetric constraints from Bs → μ+μ− and B → K*μ+μ− observables

A bstractWe study the implications of the recent LHCb limit and results on Bs → μ+μ− and B → K*μ+μ− observables in the constrained SUSY scenarios. After discussing the Standard Model predictions and



The benefits of $ \bar{B} \to {\bar{K}^*}{l^{+} }{l^{-} } $ decays at low recoil

Using the heavy quark effective theory framework put forward by Grinstein and Pirjol we work out predictions for $ \bar{B} \to {\bar{K}^*}{l^{+} }{l^{-} } $, l = e, μ, decays for a softly recoiling $

KL--> pi 0e+e- and B-->Xsl+l- decay in the MSSM.

  • ChoMisiakWyler
  • Mathematics, Materials Science
    Physical review. D, Particles and fields
  • 1996
This work examines the rates for these decay modes in the MSSM with a universal soft supersymmetry breaking sector at a grand unification scale and investigates the FCNC transitions in a more general class of models with negligible flavor violation in squark mixing matrices.

The decay $ \overline B \to \overline K {\ell^{ + }}{\ell^{ - }} $ at low hadronic recoil and model-independent ∆B = 1 constraints

A bstractWe study the decay $ \overline B \to \overline K {\ell^{ + }}{\ell^{ - }} $ for ℓ = e, μ, τ with a softly recoiling kaon, that is, for high dilepton invariant masses $ \sqrt {{{q^{{2}}}}} $

Phenomenology of nonstandard Z couplings in exclusive semileptonic b\s transitions

The rare decays $\stackrel{\ensuremath{\rightarrow}}{B}{K}^{(*)}{l}^{+}{l}^{\ensuremath{-}},$ $\stackrel{\ensuremath{\rightarrow}}{B}{K}^{(*)}\ensuremath{\nu}\overline{\ensuremath{\nu}}$ and

Probing for new physics in polarized $\Lambda_b$ decays at the $Z$

Polarized ${\ensuremath{\Lambda}}_{b}\ensuremath{\rightarrow}\ensuremath{\Lambda}\ensuremath{\gamma}$ decays at the Z pole are shown to be well suited for probing a large variety of new physics

More benefits of semileptonic rare B decays at low recoil: CP violation

We present a systematic analysis of the angular distribution of $ \overline B \to {\overline K^*}\left( { \to \overline K \pi } \right){l^{+} }{l^{-} } $ decays with l = e, μ in the low recoil region

Supersymmetric renormalization of the CKM matrix and new constraints on the squark mass matrices

We compute the finite renormalization of the Cabibbo-Kobayashi-Maskawa matrix induced by gluino-squark diagrams in the minimal supersymmetric standard model with nonminimal sources of flavor

Exclusive radiative and electroweak $b\to d$ and $b\to s$ penguin decays at NLO

Abstract.We provide standard model expectations for the rare radiative decays $B\to K^*\gamma$, $B\to \rho\gamma$ and $B\to\omega\gamma$, and the electroweak penguin decays $B\to K^*\ell^ + \ell^-$

Higgs boson masses and B-physics constraints in Non-Minimal Flavor Violating SUSY scenarios

A bstractWe present one-loop corrections to the Higgs boson masses in the MSSM with Non-Minimal Flavor Violation. The flavor violation is generated from the hypothesis of general flavor mixing in the