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Composite Accidental Axions

Michele Redi (CERN/INFN)

11 Luglio 2017 @ 14:30 - 16:00

One of the main problems of axion scenarios is to explain the origin of an almost exact Peccei-Quinn symmetry only broken by the QCD anomaly.
In this talk I will present several models where the QCD axion arises accidentally. This can be realised in confining gauge theories where the Peccei-Quinn symmetry can emerge accidentally if the representations are chiral. In some cases these models can be understood as the deconstruction of 5-dimensional gauge theories
but more general constructions are possible. Phenomenological features will be discussed.


11 Luglio 2017
14:30 - 16:00
Categoria Evento:
Sito web:


Aula A-1
Via Enrico Fermi, 40
Frascati, Roma 00044 Italia