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8 papers · 2 filters
Ten Years of Precision Electroweak Physics
Alberto Sirlin
We review a number of theoretical developments in Precision Electroweak Physics that are closely connected with the interpretation of experiments. The emphasis is on the test of th…
Manyfold Universe
Nima Arkani-Hamed, Savas Dimopoulos, Gia Dvali +1
We propose that our world is a brane folded many times inside the sub-millimeter extra dimensions. The folding produces many connected parallel branes or folds with identical micro…
Constraints on Extra Time Dimensions
Gia Dvali, Gregory Gabadadze, Goran Senjanovic
We discuss phenomenology of extra time dimensions in a scenario where the standard model particles are localized in ``our'' time, whereas gravity can propagate in all time dimensio…
Infrared Hierarchy, Thermal Brane Inflation and Superstrings as Superheavy Dark Matter
Gia Dvali
In theories with TeV scale quantum gravity the standard model particles live on a brane propagating in large extra dimensions. Branes may be stabilized at large (sub-millimeter) di…
Considerations Concerning the Radiative Corrections to Muon Decay in the Fermi and Standard Theories
A. Ferroglia, G. Ossola, A. Sirlin
The FAC, PMS, and BLM optimization methods are applied to the QED corrections to the muon lifetime in the Fermi V-A theory. The FAC and PMS scales are close to m_e, while the BLM s…
Non-conservation of Global Charges in the Brane Universe and Baryogenesis
Gia Dvali, Gregory Gabadadze
We argue that global charges, such as baryon or lepton number, are not conserved in theories with the Standard Model fields localized on the brane which propagates in higher-dimens…