Hello,
Given the negative results from OPERA and other groups now may not be the greatest time to suggest that one neutrino is indeed consistent with being a tachyon -- albeit with an m^2 much closer to zero than originally implied by OPERA. Nevertheless, in a recent paper in Astroparticle Physics I make this claim:
http://www.sciencedirect.com/science/article/pii/S0927650512001843
also, see:
http://arxiv.org/abs/1204.0484
I have also created a humorous video as a way to spread the idea that the possibility of superluminal neutrinos remains alive and well:
https://www.youtube.com/watch?v=l9aLyfFnfOU
Bob Ehrlich
George Mason University
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