Neutrino Yukawa Textures within Type-I Seesaw

Figure 2

Allowed 𝑚_2,3 versus 𝑚₁ (left), 𝛼_𝑀2 versus 𝛼_𝑀1 (middle), and 𝑚_𝛽𝛽 versus Σ𝑚_𝑖 (right) for Category 𝐴 (top) and Category 𝐵 (bottom) [17].

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