Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-03-30
JHEP 0607 (2006) 002
Physics
High Energy Physics
High Energy Physics - Phenomenology
32 pages, 10 figures; version to appear on JHEP
Scientific paper
10.1088/1126-6708/2006/07/002
We study the implications for electroweak baryogenesis (EWB) within the minimal supersymmetric Standard Model (MSSM) of present and future searches for the permanent electric dipole moment (EDM) of the electron, for neutralino dark matter, and for supersymmetric particles at high energy colliders. We show that there exist regions of the MSSM parameter space that are consistent with both present two-loop EDM limits and the relic density and that allow for successful EWB through resonant chargino and neutralino processes at the electroweak phase transition. We also show that under certain conditions the lightest neutralino may be simultaneously responsible for both the baryon asymmetry and relic density. We give present constraints on chargino/neutralino-induced EWB implied by the flux of energetic neutrinos from the Sun, the prospective constraints from future neutrino telescopes and ton-sized direct detection experiments, and the possible signatures at the Large Hadron Collider and International Linear Collider.
Cirigliano Vincenzo
Profumo Stefano
Ramsey-Musolf Michael. J.
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