A proposed search for a fourth neutrino with a PBq antineutrino source

Details A proposed search for a fourth neutrino with a PBq antineutrino source A proposed search for a fourth neutrino with a PBq antineutrino source

2011-07-12

arxiv.org/abs/1107.2335v2

M. Cribier, M. Fechner, Th. Lasserre, et al., PRL 107, 201801 (2011)

Physics

High Energy Physics

High Energy Physics - Experiment

4 pages ; 1 table ; 4 figures - Add energy spectrum shape only analysis + referee comments/suggestions

Scientific paper

Several observed anomalies in neutrino oscillation data can be explained by a hypothetical fourth neutrino separated from the three standard neutrinos by a squared mass difference of a few eV^2. We show that this hypothesis can be tested with a PBq (ten kilocurie scale) 144Ce or 106Ru antineutrino beta-source deployed at the center of a large low background liquid scintillator detector. In particular, the compact size of such a source could yield an energy-dependent oscillating pattern in event spatial distribution that would unabiguously determine neutrino mass differences and mixing angles.

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