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SUMMARY:What can LHC data tell us about Higgs triplet models? (TH seminar)
DTSTART:20260908T090000Z
DTEND:20260908T100000Z
DTSTAMP:20260910T102400Z
UID:indico-event-4416@lpsc-indico.in2p3.fr
DESCRIPTION:Speakers: Subrata Samanta (IIT Kanpur)\n\nI will discuss the p
 henomenology of the triplet scalar extensions of the Standard Model in lig
 ht of Large Hadron Collider data. Triplet scalars can contribute to electr
 oweak symmetry breaking and modify Higgs couplings\, providing distinctive
  probes of physics beyond the Standard Model (SM). In particular\, the Geo
 rgi-Machacek (GM) model allows a sizable triplet vacuum expectation value 
 while remaining consistent with experimental data and has rich collider ph
 enomenology. Although the GM model is well motivated at tree level\, incor
 porating radiative corrections is essential for obtaining precise predicti
 ons beyond leading order. I will therefore formulate a consistent one-loop
  renormalization framework for the GM model. The renormalization of this m
 odel is phenomenologically important when triggered by operators that are 
 absent at the tree level due to the global symmetry. In comparison with th
 e SM\, this model requires an additional input parameter to completely par
 ametrize the electroweak precision observables at one-loop. Finally\, I wi
 ll present the constraints on the GM model parameter space obtained from a
  global Bayesian fit.\n\nhttps://lpsc-indico.in2p3.fr/event/4416/
LOCATION:Grand Amphi (LPSC)
URL:https://lpsc-indico.in2p3.fr/event/4416/
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