The H-Parameter: An Oblique Higgs View
Admir Greljo
Tue, Dec. 03rd 2019, 16:00
Salle Claude Itzykson, Bât. 774, Orme des Merisiers

I will discuss some theoretical and phenomenological aspects of the off-shell Higgs physics based on 1903.07725. The question ``How does the Higgs boson propagate?'' is framed in the context of Universal effective field theories. The Higgs boson oblique parameter H is introduced; consistency conditions stemming from Kallen-Lehmann representation are derived; examples of UV completions are provided. Finally, the four-top production is advertised as an effective high-energy probe of off-shell Higgs behaviour.

Contact : Filippo VERNIZZI


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