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MINIBooNEBooster Neutrino Experiment
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The results from MiniBooNE have not yet been published in a peer-reviewed journal but a ( pre-press version of the paper was made available by researchers on the pre-print server arXiv.
While MiniBooNE used neutrinos to find the sterile neutrino, LSND used antineutrinos - the antimatter equivalent.
Aguilar-Arevalo et al., "MiniBooNE collaboration," Physical Review Letters, vol.
Bugel, "Improved Search for [bar.[nu]][mu] [right arrow] [bar.[nu]]e Oscillations in the MiniBooNE Experiment," Physical Review Letters, vol.
Specifically, for the case of the MiniBooNE processes, we concentrate on the channels where [alpha] = [mu] and [beta] = e (for NSI scattering involving tau neutrinos, see [72,73]).
Brice et al., "Event excess in the miniBooNE search for [[bar.[upsilon]].sub.[mu]][right arrow] [[bar.[upsilon]].sub.e] oscillations," Physical Review Letters, vol.
The KARMEN experiment [56] was another player in this debate, but on the other side, since it did not detect the same hints of LSND and MiniBooNE. It was a segmented liquid-scintillator detector; the segmentation, technically the more distinctive feature of the set-up, was realized with 1.5 mm thick lucite sheets which ensured the transport of the light to the photomultipliers via total internal reflection.
A search for [v.sub.[mu]] [right arrow] [v.sub.e] appearance at high [DELTA][m.sup.2], hence short-baseline, can be performed to address the LSND [61] and MiniBooNE [78] signals if the DAE[delta]ALUS configuration uses a large scintillator detector such as LENA [75].
In addition to the LSND and MiniBooNE results, which involve electron (anti)neutrino appearance in [v.sub.[mu]], [[bar.v].sub.[mu]] beams, other anomalies in disappearance mode were found to fit the same sterile neutrino scenario at the eV scale.
Zhu, "Studies of boosted decision trees for MiniBooNE particle identification," Nuclear Instruments and Methods in Physics Research A, vol.
Few experimental results cannot be accommodated in this framework: the LSND anomaly [21] (further investigated by MiniBooNE [22]) as well as a possible neutrino deficit observed in reactor [23] and Gallium measurements with very intense (Mci) radioactive neutrino sources [24].