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Not-So-Sterile Neutrinos

Date: October 28th 2014 @ 15:00 (CET)
Title: Not-So-Sterile Neutrinos
Presenter: Basudeb Dasgupta (ICTP Trieste)
Abstract: We show that sterile neutrinos, as motivated by several short-baseline oscillation anomalies, can be consistent with cosmological constraints if they are charged under a hidden sector force mediated by a light boson. It is conceivable that the new gauge force also couples to dark matter, possibly ameliorating some of the small-scale structure problems associated with cold dark matter.
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