Status of Flavour Maximal Non-minimal Universal Extra Dimension

Abstract

In this paper we consider an $S^1/{\mathbb{Z}}_2$ compactified flat extra dimensional scenario where all the standard model states can access the bulk and have generalised brane localised kinetic terms. The flavour structure of brane kinetic terms for the standard model fermions are dictated by stringent flavour bounds on the first two generations implying an $U(2{)}_{Q_L}\otimes U(2{)}_{u_R}\otimes U(2{)}_{d_R}$ flavour symmetry. We consider the constraints on such a scenario arising from dark matter relic density and direct detection measurements, precision electroweak data, Higgs physics and LHC dilepton searches. We discuss the possibility of such a scenario providing an explanation of the recently measured anomaly in $R_{K^{(\ast )}}$ within the allowed region of the parameter space.

22 pages, 6 figures, 4 tables; updated discussions; a few changes in the text; main results unchanged; typos fixed; updated references

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• Dark matter for $b\to s{\mu }^{+}{\mu }^{-}$ anomaly in a gauged $U(1{)}_X$ model
• $t\to cg$ and $t\to cZ$ in Universal Extra Dimensional Models
• Looking for $B\to X_s{\ell }^{+}{\ell }^{-}$ in non-minimal Universal Extra Dimensional model
• Exploring non minimal Universal Extra Dimensional Model at the LHC
• Suppressed flavor violation in Lepton Flavored Dark Matter from an extra dimension
• Minimal and non-minimal Universal Extra Dimension models in the light of LHC data at 13 TeV
• Extra gauge bosons and lepton flavor universality violation in ${\rm Y}$ and $B$ meson decays
• $B$ anomalies in the nonminimal universal extra dimension model
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• The impact of nonminimal Universal Extra Dimensional model on $\Delta B=2$ transitions
• Reappraisal of the minimal flavoured $Z^{\prime }$ scenario
• Belle II Constraints on the Non-Minimal Universal Extra Dimensional Model