Erlangen 2026 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 79: Searches/BSM IV
T 79.4: Vortrag
Donnerstag, 19. März 2026, 17:00–17:15, KH 02.018
Interplay between Dark Matter and the Electroweak Phase Transition — •Tim Vincent Krause1, André Milagre2, Johann Plotnikov1, Milada Magarete Mühlleitner1, Rui Santos3, and João Silva2 — 1Karlsruher Institut für Technologie — 2Instituto Superior Técnico, Universidade de Lisboa — 3Universidade de Lisboa, Campo Grande
Current extensions to the scalar sector of the Standard Model (SM) are able to explain the matter anti-matter asymmetry in the universe via Electroweak Baryogenesis (EWBG) and simultaneously provide a dark matter candidate. In many cases these two phenomena are treated separately as they usually take place at different times in the evolution of the universe. However, there are scenarios where the electroweak phase transition necessary for EWBG and the production of DM take place during the same time period. As the phase transition influences the mass evolution of the SM particles it also plays a crucial role in the calculation of the relic density for DM. In our work we study the interplay between EWBG and DM generation as well as analyze it's impact on the final relic abundance.
Keywords: Dark Matter; Electroweak Phase Transition; BSM Physics