MORPHOLOGICAL PHYLOGENETIC ANALYSIS OF TWO EARLY-DIVERGING GENERA OF BROMELIOIDEAE (BROMELIACEAE)



Undemocratic Dirac seesaw

The standard model left-handed neutrinos and several right-handed neutrinos can obtain a tiny Dirac Lunchbag mass matrix through their mixings with relatively heavy Dirac fermions.In this Dirac seesaw scenario, the mixings involving the left-handed neutrinos can be allowed much larger than those involving the right-handed neutrinos.This undemocrati

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