期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.091801
关键词
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资金
- U.S. Department of Energy [DE-AC02-07CH11359]
- Spanish MICINN [FPA-2009-08958, FPA-2009-09017, CSD-2008-0037]
- Comunidad Autnoma de Madrid [HEPHACOS S2009/ESP-1473]
- Deutsche Forschungsgemeinschaft
- European Union (EUROv)
New predictions for the antineutrino flux from nuclear reactors suggest that reactor experiments may have measured a deficit in this flux, which can be interpreted in terms of oscillations between the known active neutrinos and new sterile states. We perform a reanalysis of global short-baseline neutrino oscillation data in a framework with one or two sterile neutrinos. While one sterile neutrino is still not sufficient to reconcile the signals suggested by reactor experiments and by the LSND and MiniBooNE experiments with null results from other searches, we find that, with the new reactor flux prediction, the global fit improves considerably when two sterile neutrinos are introduced.
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