Supernova 1987A did not test the neutrino mass hierarchy
arXiv:hep-ph/0202158 · doi:10.1016/S0370-2693(02)01546-0
Abstract
We dispel the misconception that data from SN 1987A favor the normal neutrino mass hierarchy over the inverted hierarchy for $\sin^2 θ_{13} \gsim 10^{-4}$. We find comparable fits for the two hierarchies. No bound can be placed on the mixing angle even at the 1 level.
15 pages, 9 figures