PoS - Proceedings of Science
Volume 283 - Neutrino Oscillation Workshop (NOW2016) - Session II: Oscillation parameters: Future
Precision Oscillation Measurements with Next Generation Reactor Neutrinos
A. Garfagnini*  on behalf of the JUNO collaboration
Full text: pdf
Pre-published on: March 22, 2017
Published on: June 20, 2017
Precise measurements of the $\theta_{13}$ neutrino oscillation parameter by the Daya Bay, RENO and Double Chooz experiments, have opened the path to the determination of the neutrino mass hierarchy. Indeed wheather the $\nu_3$ neutrino mass eigenstate is heavier or lighter than the $\nu_1$ and $\nu_2$ mass eigenstates is one of the remaining undetermined fundamental aspects of the Standard Model in the lepton sector. Mass hierarchy determination would have an impact in the quest of the neutrino nature (Dirac or Majorana mass terms) towards the formulation of a theory of flavour. The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator neutrino detector under construction in the south of China. Thanks to the large 20~kton active mass and unprecedented energy resolution (3% at 1 MeV) it will allow to determine the neutrino mass hierarchy with good sensitivity and to precisely measure the neutrino mixing parameters, $\theta_{12}$, $\Delta m_{21}^2$ and $\Delta m_{ee}^2$ below the 1\% level. The Reactor Experiment for Neutrino Oscillation (RENO-50) experiment is another medium distance reactor antineutrino experiment under construction in South Korea, with the same experimental challenges and goals. This paper will review the physics potential of medium baseline reactor antineutrino experiments, illustrate the technical characteristics of the JUNO and RENO-50 detectors, discuss the technological challenges and present the construction and R\&D status.
DOI: https://doi.org/10.22323/1.283.0023
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