2–6 Dec 2024
Europe/Zurich timezone

How large could CP violation in B meson mixing be? Implications for baryogenesis and upcoming searches

3 Dec 2024, 16:00
15m
Urška 4 (Exhibition and Convention center)

Urška 4

Exhibition and Convention center

Dunajska cesta 18, 1000 Ljubljana, Slovenia
Parallel Session Talk Parallel track Flavour and CP violation 1

Speaker

Mr Carlos Miró Arenas (IFIC (CSIC - U. Valencia))

Description

It is well-known that CP violation is one of the necessary ingredients to generate the observed matter-antimatter asymmetry of the Universe. Neutral B mesons naturally exhibit CP violating oscillations which can be related to the baryon asymmetry through the B-Mesogenesis mechanism. With this in mind, it is interesting to analyze how large this CP violation could be in different scenarios beyond the Standard Model. In this talk, I will consider (i) the effects of heavy new physics in mass mixing following a model-independent approach, (ii) the implications of models going beyond 3x3 CKM unitarity (including, e.g., vector-like quarks), and (iii) the effects of new contributions to the B meson decay mixing. I will present the available parameter space for the relevant CP asymmetries, studying their compatibility with the B-Mesogenesis framework and compare it with the expected experimental sensitivity at LHCb and Belle II.

Primary author

Mr Carlos Miró Arenas (IFIC (CSIC - U. Valencia))

Co-authors

Presentation materials