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SUMMARY:IFIC seminar: Two-Higgs-Doublet Model Effective Field Theory
DTSTART;VALUE=DATE-TIME:20251007T100000Z
DTEND;VALUE=DATE-TIME:20251007T110000Z
DTSTAMP;VALUE=DATE-TIME:20260612T085951Z
UID:indico-event-8260@indico.ific.uv.es
DESCRIPTION:We introduce the general two-Higgs-doublet model effective fie
 ld theory where the effects of new physics are parametrized by non-renorma
 lizable operators up to mass dimension-six. Within this general framework\
 , we calculate the physical Higgs spectrum\, contributions to the coupling
 s and masses of electroweak gauge bosons and fermions\, and a complete set
  of Feynman rules. We discuss differences of the effective field in four t
 ypes of two-Higgs-doublet models distinguished by Z2 symmetries which rest
 rict the couplings of the Higgs doublets to Standard Model fermions: type-
 I\; -II\; -X\; and -Y. We demonstrate the advantages of transforming the e
 ffective theory into the Higgs basis\, including the separation of operato
 rs that modify Standard Model couplings and masses from operators that onl
 y contribute to scattering processes\, transparent relations between scatt
 ering processes resulting from the same operator\, and the explanation of 
 correlations between different operators in specific UV completions.\n\nht
 tps://indico.ific.uv.es/event/8260/
LOCATION:Universe 1001-Primera-1-1-1 - Paterna. Seminario
URL:https://indico.ific.uv.es/event/8260/
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