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CP violation in loop-induced diboson production

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arxiv 2411.00959 v1 pith:MYRZXDNJ submitted 2024-11-01 hep-ph

Marion O. A. Thomas , Eleni Vryonidou This is my paper · ORCID
classification hep-ph
keywords productionbosongaugeinteractionsdibosondistributionsdoublehiggs
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abstract

We consider the impact of CP-violating Higgs and top interactions on diboson production from gluon fusion within the Standard Model Effective Field Theory framework. We systematically study differential distributions for double Higgs, double $W$ and $Z$ production and compare their features to those obtained from CP-conserving interactions. For electroweak gauge boson production, we explore the impact of the new interactions on the angular distributions of the leptonic decay products and the associated gauge boson polarisation fractions both inclusively and differentially with the transverse momentum of the gauge boson.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Precise Standard-Model predictions for polarised Z-boson pair production and decay at the LHC

    hep-ph 2025-05 conditional novelty 7.0 of 10

    The authors deliver the first NNLO QCD plus NLO EW combination of predictions for polarised ZZ pairs at the LHC and validate them across five Monte Carlo codes and against ATLAS simulations.

  2. Renormalisation group evolution effects on global SMEFT analyses

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Including RGE effects in a global SMEFT fit improves bounds on poorly constrained four-quark operators but weakens limits on modified Z q qbar couplings by up to a factor of ten.

  3. Sensitivity to $\mathcal{CP}$-violating effective couplings in the top-Higgs sector

    hep-ph 2024-12 conditional novelty 5.0 of 10

    Combining ttbar H and single-top H production at the LHC can separate the real and imaginary parts of a CP-violating top Yukawa coupling, with projected HL-LHC constraints about twice as strong as current ATLAS bounds.

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