Reactor disappearance in the Double Chooz experiment
Journal Article
·
· Physical Review. D, Particles, Fields, Gravitation and Cosmology
The Double Chooz experiment has observed 8249 candidate electron antineutrino events in 227.93 live days with 33.71 GW-ton-years ( reactor power × detector mass × live time ) exposure using a 10.3 m3 fiducial volume detector located at 1050 m from the reactor cores of the Chooz nuclear power plant in France. The expectation in case of θ13 = 0 is 8937 events. The deficit is thus interpreted as evidence of electron antineutrino disappearance. From a rate plus spectral shape analysis we find sin sup>22θ13 = 0.109 ± 0.030( stat ) ± 0.025( syst ). The data exclude the no-oscillation hypothesis at 99.8% CL (2.9σ).
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Nuclear Science and Security Consortium (NSSC); USDOE National Nuclear Security Administration (NNSA). Nuclear Science and Security Consortium (NSSC)
- Contributing Organization:
- Double Chooz Collaboration
- Grant/Contract Number:
- NA0000979
- OSTI ID:
- 1454551
- Alternate ID(s):
- OSTI ID: 1103385
- Journal Information:
- Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 86, Issue 5; ISSN 1550-7998
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 281 works
Citation information provided by
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Web of Science
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