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Higgs and Effective Field Theory - HEFT 2025

2–6 Jun 2025
CERN
Europe/Zurich timezone

TH workshop secretariat

Session

Higgs and Electroweak I

3 Jun 2025, 16:00
503/1-001 - Council Chamber (CERN)

503/1-001 - Council Chamber

CERN

162
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Conveners

Higgs and Electroweak I

  • Tyler Corbett (University of Vienna)

Presentation materials

There are no materials yet.

  1. 62. The art of counting: the HEFT expansion and HH production
    Ilaria Brivio (University & INFN Bologna)
    03/06/2025, 16:00

    The Standard Model and Higgs Effective Field Theories (SMEFT and HEFT) are the two well-established theoretical frameworks for the parameterization of potential new physics signals from nearly decoupled BSM sectors. They differ in the scalar field content and - most notably - in the power counting, i.e. the way they organize BSM effects into a series expansion. While it's clear that in SMEFT...

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  2. 23. Dimension-eight operator basis for Universal Standard Model Effective Field Theory
    Jay Desai (Stony Brook University)
    03/06/2025, 16:30

    I will present the basis of dimension-eight operators associated with universal theories. Without imposing C nor P the universality assumption reduces the number of independent SMEFT operators at dimension eight from 44807 to 175. 89 of the 175 universal operators are included in the general dimension-eight operator basis in the literature. The 86 additional operators involve higher...

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  3. 24. Drell-Yan and Electroweak Precision Observables Analysis in the Universal SMEFT
    Matheus Martines
    03/06/2025, 16:50

    Under the assumption that new physics lies beyond the current energy reach of the LHC, deviations from Standard Model predictions are expected to appear in the tails of kinematic distributions. In particular, neutral- and charged-current Drell-Yan (DY) processes are useful to study such effects, given the large amount of data collected during Run 1 and Run 2 of the LHC. However, a fully...

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  4. 9. Effective Field Theory fits of the electroweak sector CMS data
    Giulia Lavizzari ((INFN Milano-Bicocca))
    03/06/2025, 17:10

    The contribution will report on recent results on global EFT fits of the CMS data, with particular focus on a dimension-6 SMEFT interpretation of the measurements performed in the electroweak sector of the Standard Model, including results built upon likelihoods constructed from reconstructed-level information and properly including all correlations among the various input channels.

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