Minimal effective theory for leptogenesis, dark matter, and neutrino masses Tomáš Blažek, Peter Maták, Ján Ramaj and Martina Sabová Eur. Phys. J. C, 85 7 (2025) 801 Published online: 24 July 2025 DOI: 10.1140/epjc/s10052-025-14543-w