Electroweak baryogenesis
David E. Morrissey, Michael J. Ramsey-Musolf
TL;DR
Electroweak baryogenesis is a promising theory explaining the universe's matter-antimatter imbalance, with recent advances in computational methods, model extensions, and experimental searches supporting its viability.
Contribution
This review summarizes recent progress in calculating baryon asymmetry, analyzing phase transitions, and exploring Standard Model extensions relevant to electroweak baryogenesis.
Findings
Improved methods for analyzing the electroweak phase transition
Development of Standard Model extensions for EWBG
Identification of experimental signatures at various frontiers
Abstract
Electroweak baryogenesis (EWBG) remains a theoretically attractive and experimentally testable scenario for explaining the cosmic baryon asymmetry. We review recent progress in computations of the baryon asymmetry within this framework and discuss their phenomenological consequences. We pay particular attention to methods for analyzing the electroweak phase transition and calculating CP-violating asymmetries, the development of Standard Model extensions that may provide the necessary ingredients for EWBG, and searches for corresponding signatures at the high energy, intensity, and cosmological frontiers.
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