November 26, 2025
Europe/Bratislava timezone

Towards the minimal effective theory for leptogenesis, dark matter, and neutrino masses

Nov 26, 2025, 3:19 PM
1m
Zamestnanci fyzika Poster session + káva: prezentácie vedeckých výsledkov FMFI UK Zamestnanci Fyzika Poster session + káva: prezentácie vedeckých výsledkov FMFI UK Zamestnanci Fyzika

Speaker

Peter Maták (Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava)

Description

We present a bottom-up approach to an effective theory that simultaneously explains the matter–antimatter asymmetry via leptogenesis, the dark matter relic abundance via freeze-in or freeze-out mechanisms, and neutrino masses via the Weinberg operator. We show that, in the minimal scenario, only two new particles and a single portal operator coupling the visible and dark sectors are sufficient beyond the Standard Model. This contribution is primarily based on arXiv:2504.15164.

Pracovisko fakulty (katedra)/ Department of Faculty Katedra Teoretickej Fyziky
Tlač postru/ Print poster Budem požadovať tlač /I hereby required to print the poster in faculty

Authors

Prof. Tomáš Blažek (Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava) Peter Maták (Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava) Mr Ján Ramaj (Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava) Ms Martina Sabová (Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava)

Presentation materials