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5 papers · 2 filters
Searching for new physics at future accelerators
Riccardo Barbieri
I overview the status of the Electroweak Symmetry Breaking problem, paying special attention to the possible signals of new physics at the Large Hadron Collider (and at a Linear Co…
Effect of inhomogeneities on the expansion rate of the Universe
Edward W. Kolb, Sabino Matarrese, Alessio Notari +1
While the expansion rate of a homogeneous isotropic Universe is simply proportional to the square-root of the energy density, the expansion rate of an inhomogeneous Universe also d…
Relating the ElectroWeak scale to an extra dimension: constraints from ElectroWeak Precision Tests
Guido Marandella, Michele Papucci
In models with supersymmetry breaking by boundary conditions on an extra dimension it is possible to relate in a quantitative natural way the Fermi scale to the size of the extra d…
Electroweak symmetry breaking after LEP1 and LEP2
Riccardo Barbieri, Alex Pomarol, Riccardo Rattazzi +1
In a generic 'universal' theory of electroweak symmetry breaking, non fine-tuned heavy new physics affects the low-energy data through four parameters, which include and properly e…
Probing oscillations into sterile neutrinos with cosmology, astrophysics and experiments
Marco Cirelli, Guido Marandella, Alessandro Strumia +1
We perform a thorough analysis of oscillation signals generated by one extra sterile neutrino, extending previous analyses done in simple limiting cases and including the effects o…