From Flavor Bounds to Charming Higgs Discoveries

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• Mauro Valli (Universita` La Sapienza Roma)
• Friday 11 October 2024, 16:00-17:00
• MR19 (Potter Room, Pavilion B), CMS.

If you have a question about this talk, please contact Nico Gubernari.

Precision studies of the Cabibbo-Kobayashi-Maskawa (CKM) matrix provide a critical test of the Standard Model (SM). In this talk, I will review the status of the Unitarity Triangle as a key tool for stress-testing the SM in light of recent inputs and measurements for CKM metrology. I will discuss the stringent constraints on New Physics derived from the generalized ∣ΔF∣=2 effective Hamiltonian and their implications for physics beyond the SM (BSM). Given these constraints and the ongoing direct searches at the Large Hadron Collider (LHC), I will then introduce Spontaneous Flavor Violation as a complementary framework to Minimal Flavor Violation for BSM physics. Using a Two Higgs Doublet Model as an example, I will demonstrate how a “charming” Higgs could be observed at the LHC while still respecting the strong bounds from Flavor Physics. In this charming regime, new Higgs states near the electroweak scale with large couplings to quarks are predicted, offering complementary observables and new insights into the measurement of Yukawa couplings at colliders.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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