Radiative corrections to light neutrino masses in low scale type I seesaw scenarios and neutrinoless double beta decay

• DOI: 10.1007/jhep11(2015)030
• Publication Date: 2015-11-09T11:14:27Z
• Authors: J. Lopez-Pavon; E. Molinaro; S. T. Petcov
• Keywords: Yukawa potential; Seesaw mechanism

We perform a detailed analysis of the one-loop corrections to light neutrino mass matrix within low scale type I seesaw extensions Standard Model and their implications in experimental searches for neutrinoless double beta decay. show that sizable contribution effective Majorana from exchange heavy neutrinos is always possible, provided one requires fine-tuned cancellation between tree-level masses. quantify level fine-tuning as function parameters introduce generalisation Casas-Ibarra parametrization Yukawa matrix, which easily allows include