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18 papers · 2 filters
A 125 GeV composite Higgs boson versus flavour and electroweak precision tests
Riccardo Barbieri, Dario Buttazzo, Filippo Sala +2
A composite Higgs boson of 125 GeV mass, only mildly fine-tuned, requires top partners with a semi-perturbative coupling and a mass not greater than about a TeV. We analyze the str…
Scalar Singlet Dark Matter
Geneviève Bélanger, Kristjan Kannike, Alexander Pukhov +1
We consider the minimal scalar singlet dark matter stabilised by a symmetry. Due to the cubic term in the scalar potential, semi-annihilations, besides annihilations, contrib…
On the Tuning and the Mass of the Composite Higgs
Giuliano Panico, Michele Redi, Andrea Tesi +1
We analyze quantitatively the tuning of composite Higgs models with partial compositeness and its interplay with the predicted Higgs mass. In this respect we identify three classes…
Is the resonance at 125 GeV the Higgs boson?
Pier Paolo Giardino, Kristjan Kannike, Martti Raidal +1
The recently discovered resonance at 125 GeV has properties remarkably close to those of the Standard Model Higgs boson. We perform model-independent fits of all presently availabl…
2:1 for Naturalness at the LHC?
Nima Arkani-Hamed, Kfir Blum, Raffaele Tito D'Agnolo +1
A large enhancement of a factor of 1.5 - 2 in Higgs production and decay in the diphoton channel, with little deviation in the ZZ channel, can only plausibly arise from a loop of n…
Natural SUSY Predicts: Higgs Couplings
Kfir Blum, Raffaele Tito D'Agnolo, JiJi Fan
We study Higgs production and decays in the context of natural SUSY, allowing for an extended Higgs sector to account for a 125 GeV lightest Higgs boson. Under broad assumptions, H…