5. Theoretical Physics (CSN4)

Implications of unitarity for the 750 GeV di-photon excess

by Luca Di Luzio (GE)

Europe/Rome
Aula Seminari (LNF)

Aula Seminari

LNF

Via Enrico Fermi, 40 00044 Frascati (Roma)
Description
By employing partial wave unitarity arguments I show that: i) the effective description of the di-photon excess in terms of the SM supplemented by a single scalar resonance breaks down at scales of few tens of TeV and ii) in the large width scenario (as hinted by ATLAS) perturbative calculability is endangered in many renormalizable models. I finally discuss under which conditions the data can be accommodated within weakly coupled models.
Slides
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