Simulation of natural radioactivity backgrounds in the JUNO central detector

分类： 物理学 >> 核物理学 提交时间： 2016-09-13

Xinying Li Ziyan Deng Liangjian Wen Weidong Li Zhengyun You Chunxu Yu Yumei Zhang Tao Lin

摘要： The Jiangmen Underground Neutrino Observatory (JUNO) is an experiment proposed to determine the neutrino mass hierarchy and probe the fundamental properties of neutrino oscillation. The JUNO central detector is a spherical liquid scintillator detector with 20 kton fiducial mass. It is required to achieve a 3%/E(MeV)−−−−−−−√ energy resolution with very low radioactive background, which is a big challenge to the detector design. In order to ensure the detector performance can meet the physics requirements, reliable detector simulation is necessary to provide useful information for detector design. A simulation study of natural radioactivity backgrounds in the JUNO central detector has been performed to guide the detector design and set requirements to the radiopurity of detector materials.

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