LTP(izza)hD 04/2026

Wednesday 1 Apr 2026, 17:30 → 19:00 Europe/Zurich

WBGB/021 (TimeOut)

Sophie Kollatzsch (PSI - Paul Scherrer Institut), Timothy David Hume (PSI - Paul Scherrer Institut)

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17:30 → 17:50 Dalitz Decay of Higgs: From LHC to FCC-ee

The Dalitz decay of the Higgs boson ($H \to \ell^+ \ell^- \gamma$) is a rare but rich decay channel. However, studying this decay at the LHC presents a massive challenge, where tiny signal rates battle against overwhelming backgrounds. This talk explores $H \to \ell^+ \ell^- \gamma$ as a case study. We will review the current status and statistical struggles at the LHC, and demonstrate how the $e^+ e^-$ collision environment of the Future Circular Collider (FCC-ee) will transform this statistically starved search into a precision measurement.

Speaker: Shreyas Sunil Bakare (University of Zurich)

18:00 → 18:30 Pizza

18:30 → 18:50 Charming physics: penguins, trees and their mirror images

Exploring the charm sector of flavour physics is at first glance yet another attempt to "leave no stone unturned" in the quest for new physics (NP). As important as that endeavour is, we will discuss why observables such as CP violation might be a better stone to turn than others, what intricacies are involved in their handling, and how information from NP-proof observables can be used to determine the Standard-Model prediction for NP-sensitive observables, in the so-called data-driven approaches.

Speaker: Eleftheria Solomonidi