HiDDeN webinar: ALP searches with Flavour and Collider observables

por Martin Bauer (IPPP & Durham University)

martes 3 may. 2022 16:00 → 17:00 Europe/Madrid

online (& retransmitted from IFIC seminar room)

Pseudo Nambu Goldstone bosons or axionlike particles (ALPs) can be light remnants of a heavy new physics sector.  The UV structure of this sector determines the coupling structure of the ALPs. Light ALPs are strongly constrained from beam-dump searches and astrophysical observables and ALPs with masses close to the electroweak scale can be discovered with resonance searches. I will discuss different techniques to discover ALPs in the intermediate mass range with a special focus on long-lived ALPs.  Flavour observables can be particularly relevant in this mass region and I will discuss the RGE running of ALP couplings from the UV scale to the low energy scale to show how flavor violating couplings are generated.