Comment on: Neutrino Mass Anarchy
M. Hirsch
TL;DR
This paper challenges the idea that neutrino mass matrices are random by providing a specific counterexample, emphasizing the importance of structured matrices over random ones in explaining neutrino oscillation data.
Contribution
It disputes the neutrino mass anarchy hypothesis by constructing a counterexample, highlighting the significance of structured matrices in neutrino physics.
Findings
Structured matrices better explain neutrino oscillation data.
Counterexample refutes the randomness hypothesis.
Structured approach is more consistent with observations.
Abstract
Recently Hall, Murayama and Weiner (Phys. Rev. Lett. 84 (2000) 2572, [hep-ph/9911341]) claimed that neutrino oscillation data are well accounted for by a neutrino mass matrix which appears to have random entries. Here this claim is disputed by constructing a specific counter example. Structure in the neutrino mass matrix is clearly preferred over random matrices.
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Taxonomy
TopicsNeutrino Physics Research · Particle physics theoretical and experimental studies