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SUMMARY:Benoît Assi [HET Seminar]: Geometry\, Energy\, and Uncertainty in
  EFT
DTSTART:20261105T153000Z
DTEND:20261105T180000Z
DTSTAMP:20261114T072700Z
UID:indico-event-34060@indico.bnl.gov
DESCRIPTION:I will present a geometric framework for EFTs that extends the
  notion of field-space covariance to include scalars\, gauge bosons\, and 
 fermions. This approach simplifies both tree-level and quantum corrections
  by encoding amplitudes and one-loop divergences as geometric invariants o
 f a field-space supermanifold. Using this formalism\, we compute renormali
 zation group equations for bosonic and fermionic operators in the SMEFT\, 
 including complete fermion-loop contributions up to dimension eight. I wil
 l also discuss a complementary EFT organization based on energy scaling an
 d vertex structure\, enabling a systematic identification of energy-enhanc
 ed operators up to dimension ten. This dual expansion in vev and kinematic
 s provides practical guidance for SMEFT analyses at the LHC and future col
 liders by isolating the operators most relevant for high-energy searches. 
 Lastly\, I will discuss a new proposal on EFT truncation uncertainty in th
 e same vein as theory nuissance parameters in QCD which is needed but lack
 ing in modern SMEFT searches.\n \nhttps://bnl.zoomgov.com/j/1653048131?pw
 d=fkT0TgSQn5wqXX55rQa3jABDwMj8sE.1\n\nhttps://indico.bnl.gov/event/34060/
LOCATION:Small Seminar Room
URL:https://indico.bnl.gov/event/34060/
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