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One or more Higgs bosons?
Riccardo Barbieri, Dario Buttazzo, Kristjan Kannike +2
Now that one has been found, the search for signs of more scalars is a primary task of current and future experiments. In the motivated hypothesis that the extra Higgs bosons of th…
Investigating the near-criticality of the Higgs boson
Dario Buttazzo, Giuseppe Degrassi, Pier Paolo Giardino +4
We extract from data the parameters of the Higgs potential, the top Yukawa coupling and the electroweak gauge couplings with full 2-loop NNLO precision, and we extrapolate the SM p…
Exploring the Higgs sector of a most natural NMSSM
Riccardo Barbieri, Dario Buttazzo, Kristjan Kannike +2
The Next to Minimal Supersymmetric Standard Model (NMSSM) with a Higgs-singlet coupling λ close to unity, moderate tan β and stop masses below 1 TeV minimizes the fine tuning of th…