Higgs--mediated K -> pi nu nu-bar in the MSSM at large tan(beta)

Abstract

We analyze the impact of Higgs-mediated amplitudes on the rare decays KL -> pi0 nu nu-bar and K+ -> pi+ nu nu-bar in the MSSM with large tan(beta) and general flavour mixing. We point out that, going beyond the minimal flavour violation hypothesis, Z-penguin amplitudes generated by charged-Higgs exchange can induce sizable modifications of K -> pi nu nu-bar rates. Interestingly, these effects scale as tan^4(beta) at the amplitude level. For large values of tan(beta), this mechanism allows deviations from the SM expectations even for tiny (CKM-type) off-diagonal mixing terms in the right-handed squark sector.

9 pages, 2 figures

Cited by in corpus (20)

• Anatomy and Phenomenology of FCNC and CPV Effects in SUSY Theories
• Flavor Physics in the Quark Sector
• New strategies for New Physics search in B -> K* nu anti-nu, B -> K nu anti-nu and B -> X(s) nu anti-nu decays
• B, D and K decays
• KL to pi0 e+ e- and KL to pi0 mu+ mu- : A binary star on the stage of flavor physics
• Exploring the flavour structure of the MSSM with rare K decays
• A Complete Analysis of "Flavored" Electric Dipole Moments in Supersymmetric Theories
• Charged Higgs on $B^{-}\to \tau {\bar{\nu }}_{\tau }$ and $\bar{B}\to P(V)\ell {\bar{\nu }}_{\ell }$
• Higgs-Mediated e -> mu transitions in II Higgs doublet Model and Supersymmetry
• Analysis of enhanced tan(beta) corrections in MFV GUT scenarios
• Determining the Sign of the Z-Penguin Amplitude
• New Two-loop Contributions to Hadronic EDMs in the MSSM
• Correlations between epsilon'/epsilon and Rare K Decays in the Littlest Higgs Model with T-Parity
• The s ---> d gamma decay in and beyond the Standard Model
• b\to sν\barν decay in the MSSM: Implication of b\to sγat large tan beta
• Supersymmetry beyond minimal flavour violation
• Left-left squark mixing in $K^{+}\to {\pi }^{+}\nu \bar{\nu }$ and minimal SUSY
• Theory review on rare K decays: Standard Model and beyond
• SUSY beyond minimal flavour violation
• Higgs Boson Searches via Dileptonic Bottomonium Decays