Speaker
Description
An important test of the Standard Model (SM) electroweak symmetry breaking sector is the measurement of the Higgs self-interactions. Sensitivity to the Higgs self-coupling for mH = 125 GeV is evaluated through the measurement of the non-resonant di-Higgs production final states. The considered decay channels are HH→ bb\gamma\gamma, 4b+jet, bb\tau\tau, and bbVV, where V=W and Z. For the non-resonant SM signal in an ideal detector parametrization, a precision of O(3%) on the SM cross-section can be estimated, roughly corresponding to a precision of O(5%) on the Higgs trilinear coupling for the bb\gamma\gamma channel. For the other channels precisions ranging from O(10-40%) can be achieved. The parton-level generation of the signal and the backgrounds is performed by using MadGraph5_aMC@NLO and the Delphes fast parametrisation of the FCC-hh detector is used.
