期刊
PHYSICS LETTERS B
卷 658, 期 4, 页码 101-108出版社
ELSEVIER
DOI: 10.1016/j.physletb.2007.09.054
关键词
solar neutrinos; neutrino oscillations; low background detectors; liquid scintillators
资金
- Division Of Physics
- Direct For Mathematical & Physical Scien [0802646] Funding Source: National Science Foundation
This Letter reports a direct measurement of the Be-7 solar neutrino signal rate performed with the Borexino low background liquid scintillator detector at the Laboratori Nazionali del Gran Sasso. This is the first real-time spectral measurement of sub-MeV solar neutrinos. The result for 0.862 MeV Be-7 neutrinos is 47 +/- 7(stat) +/- 12(sys) counts/(day . 100 ton), consistent with predictions of Standard Solar Models and neutrino oscillations with LMA-MSW parameters. (c) 2007 Elsevier B.V. All rights reserved.
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