%0 Journal Article
%A Bahl, Henning
%A Fuchs, Elina
%A Heinemeyer, Sven
%A Katzy, Judith
%A Menen, Marco
%A Peters, Krisztian
%A Saimpert, Matthias
%A Weiglein, Georg
%T Constraining the <i>C</i><i>P</i> structure of Higgs-fermion couplings with a global LHC fit, the electron EDM and baryogenesis
%J The European physical journal / C
%V 82
%N 7
%@ 1434-6044
%C Heidelberg
%I Springer
%M PUBDB-2022-04194
%M DESY-22-033
%M arXiv:2202.11753
%M CERN-TH-2021-231
%M EFI-22-1
%M IFT-UAM/CSIC-21-148
%P 604
%D 2022
%Z 40 pages + references, 18 figures
%X <i>C</i><i>P</i> violation in the Higgs couplings to fermions is an intriguing, but not yet extensively explored possibility. We use inclusive and differential LHC Higgs boson measurements to fit the <i>C</i><i>P</i> structure of the Higgs Yukawa couplings. Starting with simple effective models featuring <i>C</i><i>P</i> violation in a single Higgs–fermion coupling, we probe well-motivated models with up to nine free parameters. We also investigate the complementarity of LHC constraints with the electron electric dipole moment bound, taking into account the possibility of a modified electron Yukawa coupling, and assess to which extent <i>C</i><i>P</i> violation in the Higgs–fermion couplings can contribute to the observed baryon asymmetry of the universe. Even after including the recent analysis of angular correlations in H→ τ<sup>+</sup>τ<sup>−</sup> decays, we find that a complex tau Yukawa coupling alone may be able to account for the observed baryon asymmetry, but with large uncertainties in the baryogenesis calculation. A combination of complex top and bottom quark Yukawa couplings yields a result four times larger than the sum of their separate contributions, but remains insufficient to account for the observed baryon asymmetry.
%K coupling: Yukawa (INSPIRE)
%K CP: violation (INSPIRE)
%K baryon: asymmetry (INSPIRE)
%K electron: electric moment (INSPIRE)
%K coupling: Higgs (INSPIRE)
%K interpretation of experiments: CERN LHC Coll (INSPIRE)
%K baryogenesis (INSPIRE)
%K structure (INSPIRE)
%K angular correlation (INSPIRE)
%K quark (INSPIRE)
%K Higgs particle (INSPIRE)
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000822615300001
%R 10.1140/epjc/s10052-022-10528-1
%U https://bib-pubdb1.desy.de/record/481134