Higgs probes of top quark contact interactions and their interplay with the Higgs self-coupling
Metadatos
Afficher la notice complèteDate
2022-05-17Referencia bibliográfica
Alasfar, L., de Blas, J. & Gröber, R. Higgs probes of top quark contact interactions and their interplay with the Higgs self-coupling. J. High Energ. Phys. 2022, 111 (2022). [https://doi.org/10.1007/JHEP05(2022)111]
Patrocinador
German Research Foundation (DFG) 417533893/GRK2575; FEDER/Junta de Andalucia P18-FRJ-3735Résumé
We calculate the dominant contributions of third generation four-quark operators
to single-Higgs production and decay. They enter via loop corrections to Higgs decays
into gluons, photons and bb, and in Higgs production via gluon fusion and in association
with top quark pairs. We show that these loop effects can, in some cases, lead to better
constraints than those from fits to top quark data. Finally, we investigate whether these
four-fermion operators can spoil the determination of the trilinear Higgs self-coupling from
fits to single-Higgs data.