Ultra Visible Warped Model From Flavor Triviality & Improved Naturalness

Abstract

A warped extra-dimensional model, where the Standard Model Yukawa hierarchy is set by UV physics, is shown to have a sweet spot of parameters with improved experimental visibility and possibly naturalness. Upon marginalizing over all the model parameters, a Kaluza-Klein scale of 2.1 TeV can be obtained at 2 sigma (95.4 CL) without conflicting with electroweak precision measurements. Fitting all relevant parameters simultaneously can relax this bound to 1.7 TeV. In this bulk version of the Rattazzi-Zaffaroni shining model, flavor violation is also highly suppressed, yielding a bound of 2.4 TeV. Non-trivial flavor physics at the LHC in the form of flavor gauge bosons is predicted. The model is also characterized by a depletion of the third generation couplings -- as predicted by the general minimal flavor violation framework -- which can be tested via flavor precision measurements. In particular, sizable CP violation in Delta B=2 transitions can be obtained, and there is a natural region where Bs mixing is predicted to be larger than Bd mixing, as favored by recent Tevatron data. Unlike other proposals, the new contributions are not linked to Higgs or any scalar exchange processes.

44 pages, 6 figures; v2: major revision: author added; title changed; extended statistical analysis; added discussion about fine-tuning and flavor appendix; results slightly changed. v3: minor corrections and clarifications; reference added; matches published version

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Cited by in corpus (10)

• Search for massive resonances decaying into pairs of boosted bosons in semi-leptonic final states at sqrt(s) = 8 TeV
• Composite MFV and Beyond
• Neutral Gauge Boson Contributions to the Dimuon Charge Asymmetry in B Decays
• CP Violating Contribution to Delta Gamma in the B_s System from Mixing with a Hidden Pseudoscalar
• Data driving the top quark forward--backward asymmetry with a lepton-based handle
• Boosted Event Topologies from TeV Scale Light Quark Composite Partners
• Triangle Relation of Dark Matter, EDM and CP Violation in B0 Mixing in a Supersymmetric Q6 Model
• Single Top Production as a Probe of Heavy Resonances
• Probing Higgs-radion mixing in warped models through complementary searches at the LHC and the ILC
• Photon Cascade Decay of the Warped Graviton at LHC14 and a 100 TeV Hadron Collider