Renormalization group effects for a rank degenerate Yukawa matrix and the fate of the massless neutrino

Nicholas J. Benoit, Takuya Morozumi, Yusuke Shimizu +2

The Type-I seesaw model is a common extension to the Standard Model that describes neutrino masses. The Type-I seesaw introduces heavy right-handed neutrinos with Majorana mass tha…