26–29 Oct 2021
Fully online format
Asia/Tokyo timezone

Off diagonal charged scalar couplings with the Z boson

27 Oct 2021, 20:00
20m
Room #2 (Zoom Meeting ID: 823 6921 2312)

Room #2

Zoom Meeting ID: 823 6921 2312

Oral presentation using Zoom Session F: Higgs properties F&H-2: Higgs properties & BSM particle production

Speaker

Ricardo Florentino

Description

Models with scalar doublets and charged scalar singlets have the interesting property that they have couplings between one $Z$ boson and two charged scalars of different masses. This property is often ignored in phenomenological analysis, as it is absent from models with only extra scalar doublets. We explore this issue in detail, considering $h \rightarrow Z \gamma$, $B \to X_s \gamma$, and the decay of a heavy charged scalar into a lighter one and a $Z$ boson. We propose that the latter be actively searched for at the future collider experiments, using the scalar sector of the Zee-type models as a prototype and proposing benchmark points which obey all current experimental data.

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