This provides a second direct result that disfavors numu to nue for the atmospheric neutrino channel. About 110 people were at the meeting which included talks by the US laboratory directors about the future of their laboratories. Proceedings will be published by AIP press. An interesting workshop at Fermilab on Feb 17 and 18 is taking shape on neutrinos from a muon storage ring. This disfavors the small mixing angle solution.
Neutrino factories have one design goal to go far enough to see matter effects.
It would be ironic to many of us if it turns out the MSW effect is irrelevant for solar neutrinos, but is then measured by accelerators. The paper, written in 1981, took awhile to make it to the Los Alamos archive, even though it is based on a talk given at Los Alamos.