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SUMMARY:New physics searches at colliders using HEFT - Anisha (Glasgow U.)
DTSTART:20240426T150000Z
DTEND:20240426T160000Z
UID:TALK213670@talks.cam.ac.uk
CONTACT:Nico Gubernari
DESCRIPTION:Using the $\\kappa$ framework\, the constraints on the quartic
  interactions of Higgs with gauge bosons give a qualitative picture of con
 sistency with the SM when the statistical yield is low. However\, increasi
 ng statistics necessitates a more theoretically consistent framework to co
 nstrain such couplings. Therefore\, using the framework of the non-linear 
 Higgs Effective Field Theory (HEFT)\, I will talk about the radiative corr
 ections to Higgs decays and discuss the current and future sensitivity to 
 quartic Higgs gauge couplings using the single Higgs data. In the subseque
 nt part of the talk\, using the off-shell Higgs boson measurements in mass
 ive gauge boson pair production\, I will study these processes in the cont
 ext of the HEFT framework and discuss the constraints on the relevant Higg
 s boson non-linear interactions.\n\nFinally\, extending the HEFT leading o
 rder (LO) interactions with the axion-like particles (ALP) field\, I will 
 focus on the interactions that probe the singlet nature of Higgs. The Higg
 s decay phenomenology is discussed in the presence of ALP at LO. To obtain
  additional constraints\, I will focus on the multi-top and multi-Higgs pr
 ocesses by modifying the Higgs two and three-point functions by considerin
 g ALP interactions beyond LO.
LOCATION:MR19 (Potter Room\, Pavilion B)\, CMS
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