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8 papers · 2 filters
Modular inflation and the orthogonal axion as curvaton
K. Dimopoulos, G. Lazarides
We study a particular supersymmetric realization of the Peccei-Quinn symmetry which provides a suitable candidate for the curvaton field. The class of models considered also solves…
Analysis of Stops With Small Stop-Neutralino Mass Difference at a LC
C. Milstene, M. Carena, A. Finch +3
A compelling framework to explain dark matter and electroweak baryogenesis is supersymmetry with light scalar top quarks (stops) and a small mass difference between the stop and th…
Analyzing the Scalar Top Co-Annihilation Region at the ILC
M. Carena, A. Finch, A. Freitas +3
The Minimal Supersymmetric Standard Model opens the possibility of electroweak baryogenesis provided that the light scalar top quark (stop) is lighter than the top quark. In additi…
Dark Matter And With Minimal Soft SUSY Breaking II
R. Dermisek, S. Raby, L. Roszkowski +1
We update and extend to larger masses our previous analysis of the MSSM with minimal [MSOSM] soft SUSY breaking boundary conditions. We find a well--defined, narro…
Cosmic Superstrings and Primordial Magnetogenesis
Anne-Christine Davis, Konstantinos Dimopoulos
Cosmic superstrings are produced at the end of brane inflation. Their properties are similar to cosmic strings arising in grand unified theories. Like cosmic strings they can give…
Hilltop Inflation
Lotfi Boubekeur, David. H. Lyth
We study `hilltop' inflation, in which inflation takes place near a maximum of the potential. Viewed as a model of inflation after the observable Universe leaves the horizon (obser…