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Weakly coupled Higgsless theories and precision electroweak tests
Riccardo Barbieri, Alex Pomarol, Riccardo Rattazzi
In 5 dimensions the electroweak symmetry can be broken by boundary conditions, leading to a new type of Higgsless theories. These could in principle improve on the 4D case by exten…
Brane to brane gravity mediation of supersymmetry breaking
Riccardo Rattazzi, Claudio A. Scrucca, Alessandro Strumia
We extend the results of Mirabelli and Peskin to supergravity. We study the compactification on S_1/Z_2 of Zucker's off-shell formulation of 5D supergravity and its coupling to mat…
Strong Interactions and Stability in the DGP Model
Markus A. Luty, Massimo Porrati, Riccardo Rattazzi
The model of Dvali, Gabadadze, and Porrati (DGP) gives a simple geometrical setup in which gravity becomes 5-dimensional at distances larger than a length scale λ_{DGP}. We show th…