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Higgs and Effective Field Theory - HEFT 2025

2–6 Jun 2025
CERN
Europe/Zurich timezone

TH workshop secretariat

Session

Top / Quarks

4 Jun 2025, 15:50
503/1-001 - Council Chamber (CERN)

503/1-001 - Council Chamber

CERN

162
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Conveners

Top / Quarks

  • Marc Riembau (CERN)

Presentation materials

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  1. 69. Top entanglement
    Eleni Vryonidou (The University of Manchester (GB))
    04/06/2025, 15:50
  2. 56. EFT results in the top quark sector with the ATLAS detector
    Betsy Cunnett (University of Sussex (GB))
    04/06/2025, 16:20

    The exceptionally large dataset collected by the ATLAS detector at the highest proton-proton collision energies provided by the LHC enables precision testing of the Standard Model. Many-parameter fits to precise measurements in the framework of the SM Effective Field Theory (EFT) are becoming a standard interpretation of LHC and other collider data. In this contribution an overview is given of...

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  3. 16. Constraints on four-light quark operators in the SMEFT
    Matteo Maltoni
    04/06/2025, 16:40

    Among the dimension-six operators in the Standard Model Effective Field Theory (SMEFT), the four-light quark (4LQ) ones introduce four-fermion contact interactions that are not present in the Standard Model (SM), featuring the (anti-) quarks that are lighter than the top one. At Leading Order (LO), they do not contribute to the main Higgs and top processes, so they are almost never included in...

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  4. 46. Factorising Yukawa Structures in SMEFT with AutoEFT
    Dr Magnus Schaaf (Technical University of Munich)
    04/06/2025, 17:00

    In the Standard Model (SM), flavour-specific effects originate from the Higgs couplings to fermions encoded in the Yukawa matrices. UV-complete extensions of the SM typically introduce additional flavour-dependent couplings, which can significantly affect precision collider and flavour observables. In this talk, we explore the flavour structure of higher-dimensional operators in the SM...

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