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SUMMARY:Asymptotic expansions and causal representations through the loop-
 tree duality
DTSTART;VALUE=DATE-TIME:20220321T153000Z
DTEND;VALUE=DATE-TIME:20220321T154500Z
DTSTAMP;VALUE=DATE-TIME:20260611T034657Z
UID:indico-contribution-17801@indico.ific.uv.es
DESCRIPTION:Speakers: Judith Plenter (IFIC - UV/CSIC)\nPrecision calculati
 ons needed to disentangle SM predictions from BSM effects involve the calc
 ulation of higher-order quantum corrections which pose technical challenge
 s. An alternative to the traditional method has been proposed in the form 
 of the loop-tree duality theorem. We present a newly found purely causal r
 epresentation of the dual integrands and the definitions of several classe
 s of multiloop topologies as well as their loop-tree duality representatio
 ns. While the effectiveness of employing the loop-tree duality for obtaini
 ng asymptotic expansions has been shown previously in the large-mass limit
  for Higgs production through gluon fusion\, we derive a more general meth
 od for asymptotic expansion of scattering amplitudes within the loop-tree 
 duality formalism. We apply and analyse this method for the scalar two- an
 d three-point functions at one-loop order and apply it to highly boosted H
 iggs boson production.\n\nhttps://indico.ific.uv.es/event/6457/contributio
 ns/17801/
LOCATION:HUELVA
URL:https://indico.ific.uv.es/event/6457/contributions/17801/
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