Talk:Sterile neutrino

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[edit] why are we looking for them?

Which theories expanding the standard model predict a sterile neutrino? Does string theory? - Saibod 14:32, 18 April 2007 (UTC)

Yes, see also IceCube Neutrino Detector, under "Possible tests". -- Northgrove 16:40, 29 April 2007 (UTC)

I read about the experiment conducted by Fermilab and I wouldn't say they announced they had not found any evidence of the sterile neutrino. The article states that During their experiment an unexplained anomoly in the data left open a more exotic possibility that some scientist speculate was caused by a new kind of neutrino that can take shortcuts through the extra dimensions. Also, MiniBooNE's results closely tracked the predictions made by Heinrich Päs, Sandip Pakvasa, and Thomas J. Weiler. The prediction made by those three scientist was, if the brane that contains our universe is curved or microscopically deformed, then sterile neutrinos could take shortcuts through the bulk. These shortcuts would influence the flavor oscillations, increasing the probability of a transition at certain energies. The article is in the August issue of Scientific American, page 26 if you are interested. NucPhy7 02:46, 25 July 2007 (UTC)