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HIGGS 2024

4–8 Nov 2024
Uppsala University Main Building
Europe/Stockholm timezone

Session

Common session: precision & BSM 1 - sal IX

6 Nov 2024, 13:30
Uppsala University Main Building

Uppsala University Main Building

Biskopsgatan 3 75310 Uppsala Sweden

Conveners

Common session: precision & BSM 1 - sal IX

  • Eleni Vryonidou (The University of Manchester (GB))
  • Stefano Manzoni (CERN)
  • Daniel Winterbottom (Imperial College (GB))
  • Susan J Dittmer (Northwestern University (US))
  • Rafael Coelho Lopes De Sa (University of Massachusetts (US))
  • Stephen Philip Jones (University of Durham (GB))

Presentation materials

There are no materials yet.

  1. 82. Effect of anomalous HHH and ZZHH couplings on the decay width of H --> 4l.
    BISWAJIT DAS (The Institute of Mathematical Sciences, Chennai)
    06/11/2024, 13:30
    Precision Higgs measurements and calculations

    Despite the discovery of the Higgs boson, the Higgs sector of the standard model is still not fully established. In particular, the self-couplings of the Higgs boson, and its couplings with gauge bosons, are still to be fully determined. We consider electroweak corrections to the process $H\rightarrow 4l$. The corrections depend on the HHH and ZZHH couplings. We investigate this dependence in...

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  2. 97. Anomalous couplings in Higgs plus jet production
    Benjamin Campillo Aveleira
    06/11/2024, 13:50
    Precision Higgs measurements and calculations

    We present NLO QCD results for Higgs boson production in association with one jet, including anomalous Higgs-top and Higgs-gluon couplings and with full top quark mass dependence. We will compare the full theory with varied anomalous couplings to the Standard Model, based on our implementation into POWHEG-BOX-V2. Of special interest will be the $p_{T,H}$ distribution, since the high-pT tail...

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  3. 94. Higgs decay to llZ at one loop in the SMEFT
    Matthew Forslund
    06/11/2024, 14:10
    Precision Higgs measurements and calculations

    The Higgs decay into four leptons remains one of the best measured decay modes of the Higgs at the LHC, making precision calculations necessary for accurate predictions and constraints. We present the first calculation of the decay width for H to llZ at full one-loop in the Standard Model Effective Field Theory. At one-loop, a variety of new coefficients appear that modify the total rate and...

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  4. 105. Impact of renormalisation group equation on Higgs production in the SMEFT
    Giuseppe Ventura
    06/11/2024, 14:30
    Precision Higgs measurements and calculations

    We study the impact of RGE running and mixing of SMEFT operators on differential observables in $Hj$, $t \bar{t} H$ and $HH$ production at the LHC. We focus on a subset of operators closed under the QCD-induced anomalous dimension matrix and explore the impact of employing a fixed or dynamical scale on the EFT predictions for the Higgs transverse momentum and Higgs pair invariant mass spectra....

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