Theory: Effect of anomalous HHH and VVHH couplings on the decay width of H --> 4l

by Biswajit Das (IMSC, Chennai)

Monday 25 Nov 2024, 15:00 → 16:00 Europe/Berlin

SR2

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 processes H--> 4l. The corrections depend on the HHH and VVHH couplings. We investigate this dependence in the kappa-framework. We find that the width depends on HHH coupling significantly.