# High Energy Physics Seminar

Online Event

Was There an Electroweak Phase Transition

Michael Ramsey-Musolf

*,*T.D. Lee Institute/Shanghai Jiao Tong U., U Mass Amherst, Caltech*,*The possible existence of beyond Standard Model physics at the TeV scale or below has important implications for the thermal history of electroweak symmetry-breaking. A first order phase transition -- not possible in the minimal Standard Model with a 125 GeV Higgs boson -- would provide the preconditions for electroweak baryogenesis and the generation of primordial gravitational radiation. I discuss recent developments in assessing this possibility that rely on the combination of EFT methods and non-perturbative (lattice) computations. I also discuss implications for high energy collider phenomenology and next generation gravitational wave searches.

The talk is in 469 Lauritsen.

Contact theoryinfo@caltech.edu for Zoom link

For more information, please visit https://www.theory.caltech.edu/seminars/high-energy-physics-seminars.