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SUMMARY:Top-Yukawa- and light-quark-induced electroweak corrections to Hig
 gs-Pair Production via Gluon Fusion - Arunima Bhattacharya (Valencia U.\, 
 IFIC)
DTSTART:20260220T160000Z
DTEND:20260220T170000Z
UID:TALK244174@talks.cam.ac.uk
CONTACT:Terry Generet
DESCRIPTION:Gluon fusion\, gg→HH\, is the dominant Higgs-pair production
 \nprocess at the Large Hadron Collider (LHC) with direct sensitivity to th
 e trilinear Higgs self-interaction. The process is loop-induced\, with the
  leading contribution arising from top-quark loops in the Standard Model\,
  and QCD corrections are known to significantly enhance the cross\nsection
 . With the anticipated accuracies achievable at the\nhigh-luminosity LHC(H
 L-LHC)\, the theoretical uncertainties will be of increased relevance to c
 ompete with the experimental precision at the level of less than 30%. Ther
 efore\, as a first step in this direction\, we compute next-to-leading-ord
 er electroweak contributions to gg→HH from\ntwo sources: top-Yukawa–in
 duced and light-quark–induced effects. I will present their impact on th
 e total cross section and on the Higgs-pair invariant-mass spectrum\, high
 lighting threshold features and the kinematic regions where electroweak ef
 fects reach the few-to-ten per cent level.
LOCATION:MR19 (Potter Room\, Pavilion B)\, CMS
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