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<p>A 20-kiloton liquid scintillator detector is under construction at the Jiangmen Underground Neutrino Observatory (JUNO) for several physics purposes. Detecting neutrinos released from nuclear reactors, the sun, supernova bursts, and Earth’s atmosphere across a wide energy range necessitates efficient reconstruction algorithms. In this study, we introduce a novel method for reconstructing event energy by counting 3-inch photomultiplier tubes (PMTs) with or without signals. The proposed algorithm demonstrated excellent performance in accurate energy reconstruction, validated with electron Monte Carlo samples covering kinetic energies ranging from 10&#xa0;MeV to 1&#xa0;GeV.</p>

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

  • 期刊论文

  • 发表日期：

    2025年3月20日

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  • Si-Yuan Zhang,
  • Yong-Bo Huang,
  • Miao He,
  • Cheng-Feng Yang,
  • Guo-Ming Chen

摘要

A 20-kiloton liquid scintillator detector is under construction at the Jiangmen Underground Neutrino Observatory (JUNO) for several physics purposes. Detecting neutrinos released from nuclear reactors, the sun, supernova bursts, and Earth’s atmosphere across a wide energy range necessitates efficient reconstruction algorithms. In this study, we introduce a novel method for reconstructing event energy by counting 3-inch photomultiplier tubes (PMTs) with or without signals. The proposed algorithm demonstrated excellent performance in accurate energy reconstruction, validated with electron Monte Carlo samples covering kinetic energies ranging from 10 MeV to 1 GeV.