20.500.12556/RUL-167169 Correlating $0\nu\beta\beta$ decays and flavor observables in leptoquark models In this paper, we investigate minimal scalar leptoquark models that dynamically generate neutrino Majorana masses at the one-loop level and examine their implications for low-energy processes. We show that these models can produce viable neutrino masses, consistent with neutrino oscillation and cosmological data. By using leptoquark couplings f ixed by neutrino data, we predict additional contributions to neutrinoless double-beta decays ($0\nu\beta\beta$), which are chirality enhanced and compete with the standard contributions from the Majorana masses. Our analysis demonstrates that these effects are sizable for leptoquark masses as large as $\mathcal{O}$(300 TeV), potentially increasing or decreasing the $0\nu\beta\beta$ half-life, and creating an ambiguity between the normal and inverted mass ordering scenarios. Furthermore, we explore the correlation between $0\nu\beta\beta$ and flavor observables, such as kaon decays and $\mu \to e$ conversion in nuclei, emphasizing that the latter is complementary to $0\nu\beta\beta$ decays. physics of elementary particles leptoquarks fizika osnovnih delcev leptokvarki true false true Angleški jezik Slovenski jezik Članek v reviji 2025-02-11 13:42:32 2025-02-11 13:42:32 2025-02-12 04:22:51 0000-00-00 00:00:00 2025 0 0 30 str. art. no. 147 Vol. 2025 Jan. 2025 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 539.120 1029-8479 10.1007/JHEP01(2025)147 225671939 JHEP01(2025)147.pdf JHEP01(2025)147.pdf 1 23FE66C1FA8043FC5B158B722CCE1F48 2cf5d47e27f325b40602f183dd06f1f60e86ae57d08d5412b6a3aa084d866eb7 c15fb245-e877-11ef-b232-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=199396 https://link.springer.com/article/10.1007/JHEP01(2025)147 0 cc7723ba-e877-11ef-b232-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=199397 Fakulteta za matematiko in fiziko 0 0 0