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Sub-GeV events energy reconstruction with 3-inch PMTs in JUNO

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arxiv 2402.13267 v1 pith:JMG4HESQ submitted 2024-02-16 physics.ins-det hep-ex

classification physics.ins-dethep-ex
keywords energyneutrinosphysicsreconstructioneventsinchjunomethod
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A 20-kiloton liquid scintillator detector is designed in the Jiangmen Underground Neutrino Observatory (JUNO) for multiple physics purposes, including the determination of the neutrino mass ordering through reactor neutrinos, as well as measuring supernova neutrinos, solar neutrinos, and atmosphere neutrinos to explore different physics topics. Efficient reconstruction algorithms are needed to achieve these physics goals in a wide energy range from MeV to GeV. In this paper, we present a novel method for reconstructing the energy of events using hit information from 25600 3-inch photomultiplier tubes (PMTs) and the OCCUPANCY method. Our algorithm exhibits good performance in accurate energy reconstruction, validated with electron Monte Carlo samples spanning kinetic energies from 10 MeV to 1 GeV.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. A highly sensitive SF$_6$-based leak test system for JUNO 3-inch PMT underwater electronics boxes

    physics.ins-det 2025-05 conditional novelty 4.0 of 10

    An SF6 accumulation leak test system for JUNO's underwater electronics boxes reaches a detection limit of about 2.4e-9 Pa m3/s and passed 203 boxes before installation.

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