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Very Light Scalar Top Quarks at the LHC
Karol Krizka, Abhishek Kumar, David E. Morrissey
A very light scalar top (stop) superpartner is motivated by naturalness and electroweak baryogenesis. When the mass of the stop is less than the sum of the masses of the top quark…
Electroweak baryogenesis
David E. Morrissey, Michael J. Ramsey-Musolf
Electroweak baryogenesis (EWBG) remains a theoretically attractive and experimentally testable scenario for explaining the cosmic baryon asymmetry. We review recent progress in com…
Dark Matter Antibaryons from a Supersymmetric Hidden Sector
Nikita Blinov, David E. Morrissey, Kris Sigurdson +1
The cosmological origin of both dark and baryonic matter can be explained through a unified mechanism called hylogenesis where baryon and antibaryon number are divided between the…
Electroweak Baryogenesis and Higgs Signatures
Timothy Cohen, David E. Morrissey, Aaron Pierce
We explore the connection between the strength of the electroweak phase transition and the properties of the Higgs boson. Our interest is in regions of parameter space that can rea…