Neutrino Physics with JUNO

Abstract : The Jiangmen Underground Neutrino Observatory (JUNO), a 20 kton multi-purpose underground liquid scintillator detector, was proposed with the determination of the neutrino mass hierarchy as a primary physics goal. It is also capable of observing neutrinos from terrestrial and extra-terrestrial sources, including supernova burst neutrinos, diffuse supernova neutrino background, geoneutrinos, atmospheric neutrinos, solar neutrinos, as well as exotic searches such as nucleon decays, dark matter, sterile neutrinos, etc. We present the physics motivations and the anticipated performance of the JUNO detector for various proposed measurements. By detecting reactor antineutrinos from two power plants at 53-km distance, JUNO will determine the neutrino mass hierarchy at a 3-4 sigma significance with six years of running. The measurement of antineutrino spectrum will also lead to the precise determination of three out of the six oscillation parameters to an accuracy of better than 1\%. Neutrino burst from a typical core-collapse supernova at 10 kpc would lead to ~5000 inverse-beta-decay events and ~2000 all-flavor neutrino-proton elastic scattering events in JUNO. Detection of DSNB would provide valuable information on the cosmic star-formation rate and the average core-collapsed neutrino energy spectrum. Geo-neutrinos can be detected in JUNO with a rate of ~400 events per year, significantly improving the statistics of existing geoneutrino samples. The JUNO detector is sensitive to several exotic searches, e.g. proton decay via the $p\to K^++\bar\nu$ decay channel. The JUNO detector will provide a unique facility to address many outstanding crucial questions in particle and astrophysics. It holds the great potential for further advancing our quest to understanding the fundamental properties of neutrinos, one of the building blocks of our Universe.
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Article dans une revue
Journal of Physics G Nuclear Physics, Institute of Physics (IOP), 2016, 43, pp.030401. 〈10.1088/0954-3899/43/3/030401〉
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Soumis le : lundi 27 juillet 2015 - 09:20:59
Dernière modification le : vendredi 22 juin 2018 - 09:34:39

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F. An, E. Baussan, M.B. Avanzini, J. Busto, A. Cabrera, et al.. Neutrino Physics with JUNO. Journal of Physics G Nuclear Physics, Institute of Physics (IOP), 2016, 43, pp.030401. 〈10.1088/0954-3899/43/3/030401〉. 〈in2p3-01180414〉

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