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VERSION:2.0
PRODID:-//CERN//INDICO//EN
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SUMMARY:The fate of <em>irrelevant</em> operators in Higgs-less effective 
 theories
DTSTART;VALUE=DATE-TIME:20041026T100000Z
DTEND;VALUE=DATE-TIME:20041026T110000Z
DTSTAMP;VALUE=DATE-TIME:20261113T114313Z
UID:indico-event-1378@indico.ific.uv.es
DESCRIPTION:When constructed with Standard Model fields\, the effective op
 erators that generate lepton-number violation\, non-universal fermion-vect
 or couplings and contributions to the $S$ and $T$ parameters\, are \\it{ir
 relevant}. This is not the case in the absence of a light Higgs boson: in 
 the low-energy effective theory for Higgs-less electroweak symmetry breaki
 ng (defined as a momentum expansion with order-by-order renormalization)\,
  the corresponding operators appear at the leading (chiral) order. To take
  into account the experimentally observed suppression of the incriminated 
 terms\, we propose a consistent expansion in which they are relegated to h
 igher orders.\n\nhttps://indico.ific.uv.es/event/1378/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1378/
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