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Résumé |
The Higgs self-coupling is at the heart of the hierarchy problem and it controls the fate of the electroweak
vacuum. Yet, it is notoriously intangible at the LHC. First, I’ll discuss how to possibly obtain a parametrically
enhanced deviation of the Higgs self-couplings compared to the Higgs couplings to the other particles, thus
motivating an independent measurement. Then, I’ll show how to probe this coupling in a global fit of the
Higgs data, relying in particular on the use of differential measurements in the associated single-Higgs
production channels in addition to the traditional double-Higgs production channel. |
