Customized calibration sources in the JUNO experiment

被引：0
作者：
Takenaka, A. [1 ]
Hui, J. [1 ]
Li, R. [2 ]
Hao, S. [2 ]
Huang, J. [2 ]
Lai, H. [2 ]
Li, Y. [2 ]
Liu, J. [1 ,2 ]
Meng, Y. [2 ]
Qian, Z. [2 ]
Wang, H. [2 ]
Xiang, Z. [2 ]
Yuan, Z. [3 ]
Yun, Y. [2 ]
Zhang, F. [2 ]
Zhang, T. [1 ]
Zhang, Y. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai, Peoples R China
[3] Fudan Univ, Inst Modern Phys, Shanghai, Peoples R China
来源：
JOURNAL OF INSTRUMENTATION | 2024年 / 19卷 / 12期
基金：
美国国家科学基金会;
关键词：
Detector alignment and calibration methods (lasers; sources; particle-beams); Gamma detectors (scintillators; CZT; HPGe; HgI etc); Neutrino detectors; NUCLEAR-DATA SHEETS;
D O I：
10.1088/1748-0221/19/12/P12019
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We customized a laser calibration system and four radioactive gamma-ray calibration sources for the Jiangmen Underground Neutrino Observatory (JUNO), a 20-kton liquid scintillator-based neutrino detector. The laser source system was updated to realize the isotropic light emission timing within +/- 0.25 nsec level and to allow the tuning of the laser intensity covering more than four orders of magnitude. In addition, methods to prepare four different radioactive sources (18F, 40K, 226Ra, and 241Am), covering energies from O (10) keV to O (1) MeV, for the JUNO detector were established in this study. The radioactivity of each source and the risk of radioactive substance leaking into the detector from the source were confirmed to meet the experimental requirements.
引用
收藏
页数：19
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