期刊
PHYSICAL REVIEW D
卷 86, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.86.052008
关键词
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资金
- CEA and CNRS/IN2P3 in France
- French LabEx UnivEarthS
- Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT)
- Japan Society for the Promotion of Science (JSPS)
- Department of Energy
- National Science Foundation of the United States
- Ministerio de Ciencia e Innovacion (MICINN) of Spain
- Max Planck Gesellschaft
- Deutsche Forschungsgemeinschaft DFG [SBH WI 2152]
- Transregional Collaborative Research Center TR27
- Excellence Cluster Origin and Structure of the Universe''
- Maier-Leibnitz-Laboratorium Garching
- Russian Academy of Science
- Kurchatov Institute
- RFBR (the Russian Foundation for Basic Research)
- Brazilian Ministry of Science, Technology and Innovation (MCTI)
- Financiadora de Estudos e Projetos (FINEP)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Sao Paulo Research Foundation (FAPESP)
- Brazilian Network for High Energy Physics (RENAFAE) in Brazil
- computer center CCIN2P3
- Direct For Mathematical & Physical Scien
- Division Of Physics [1205175, 1002427] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [11J06289, 11J05080, 11J07852, 12J06812, 20001002] Funding Source: KAKEN
The Double Chooz experiment has observed 8249 candidate electron antineutrino events in 227.93 live days with 33.71 GW-ton-years (reactor power X detector mass X live time) exposure using a 10.3 m(3) fiducial volume detector located at 1050 m from the reactor cores of the Chooz nuclear power plant in France. The expectation in case of theta(13) = 0 is 8937 events. The deficit is interpreted as evidence of electron antineutrino disappearance. From a rate plus spectral shape analysis we find sin(2)2 theta(13) = 0.109 +/- 0.030(stat) +/- 0.025(syst). The data exclude the no-oscillation hypothesis at 99.8% CL (2.9 sigma).
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