PoS - Proceedings of Science
Volume 441 - XVIII International Conference on Topics in Astroparticle and Underground Physics (TAUP2023) - Neutrino Physics and Astrophysics
Atmospheric neutrino event selection and classification for oscillation analysis at JUNO
X. He*  on behalf of the JUNO collaboration
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Pre-published on: February 04, 2024
Published on: March 22, 2024
The Jiangmen Underground Neutrino Observatory (JUNO) is a multipurpose neutrino experiment that aims to determine the neutrino mass ordering (NMO) and measure the neutrino oscillation parameters with sub-percent precision. Atmospheric neutrinos can also contribute to the NMO sensitivity with a complementary approach: using the matter effects on neutrino oscillations. This poster will present the recent Monte Carlo studies of atmospheric neutrino event selection and classification at JUNO, which will enhance the oscillation sensitivity by using novel data analysis techniques. Specifically, the PMT charge and time information from both the Central Detector and the Water Pool Veto detector will be used to suppress cosmic muon backgrounds and identify the different flavors. The multiplicity of spallation neutrons and Michel electrons associated with the primary atmospheric neutrino interactions is expected to help separate neutrinos from antineutrinos.
DOI: https://doi.org/10.22323/1.441.0263
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