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Study of the intrinsic resolution of LaBr3(Ce,Sr) and NaI(Tl) crystals
Peiyi Feng, Xilei Sun, Zhenghua An +4
The Gravitational wave burst high-energy Elec?tromagnetic Counterpart All-sky Monitor (GECAM) utilizes a large number of LaBr3 and NaI(Tl) crystals as sensitive materials for its g…
Final assessment of radioactive impurities in the JUNO detector
Thomas Adam, Fengpeng An, Costas Andreopoulos +569
The Jiangmen Underground Neutrino Observatory (JUNO) collaboration has completed the construction of the 20,000-ton liquid scintillator detector and the associated muon veto detect…
Embedded underwater front-end electronics for the 3-inch photomultipliers in the JUNO experiment
Cédric Cerna, Miao He, Xiaoshan Jiang +591
The Jiangmen Underground Neutrino Observatory (JUNO) is a 20-kton liquid scintillator-based, low-radioactivity, multi-purpose neutrino detector located 693 meters (1800 m.w.e.) und…
Mixing plant for JUNO liquid scintillator: Design, construction, installation and commissioning
Junyu Shao, Wenjie Li, Xilei Sun +13
The most challenging part of building the Jiangmen Underground Neutrino Observatory (JUNO) is the production of 20 kilotons of ultra pure Liquid Scintillator (LS). This paper prese…
A novel measurement method for SiPM external crosstalk probability at low temperature
Guanda Li, Lei Wang, Xilei Sun +10
Silicon photomultipliers (SiPMs) are being considered as potential replacements for conventional photomultiplier tubes (PMTs). However, a significant disadvantage of SiPMs is cross…
The Intrinsic Energy Resolution of LaBr(Ce) Crystal for GECAM
Pei-Yi Feng, Xi-Lei Sun, Zheng-Hua An +6
This study aims to provide an accurate estimation of the intrinsic resolution of LaBr(Ce) crystal through a combination of experimental and simulation methods. We re-analyzed t…
The Energy Response of LaBr3(Ce), LaBr3(Ce,Sr) and NaI(Tl) Crystals for GECAM
Pei-Yi Feng, Xi-Lei Sun, Zheng-Hua An +19
The GECAM series of satellites utilize LaBr3(Ce), LaBr3(Ce,Sr), and NaI(Tl) crystals as sensitive materials for gamma-ray detectors (GRDs). To investigate the non-linearity in the…
The Design and Technology Development of the JUNO Central Detector
The JUNO Collaboration
The Jiangmen Underground Neutrino Observatory (JUNO) is a large scale neutrino experiment with multiple physics goals including deter mining the neutrino mass hierarchy, the accura…
Reactor neutrino physics potentials of cryogenic pure-CsI crystal
L. Wang, G. d. Li, Z. Y. Yu +8
This paper presents a world-leading scintillation light yield among inorganic crystals measured from a 0.5~kg pure-CsI detector operated at 77 Kelvin. Scintillation photons were de…
Calibration Strategy of the JUNO-TAO Experiment
Hangkun Xu, Angel Abusleme, Nikolay V. Anfimov +67
The Taishan Antineutrino Observatory (JUNO-TAO, or TAO) is a satellite detector for the Jiangmen Underground Neutrino Observatory (JUNO). Located near the Taishan reactor, TAO inde…
Mass Testing and Characterization of 20-inch PMTs for JUNO
Angel Abusleme, Thomas Adam, Shakeel Ahmad +556
Main goal of the JUNO experiment is to determine the neutrino mass ordering using a 20kt liquid-scintillator detector. Its key feature is an excellent energy resolution of at least…
Gain stabilization and consistency correction approach for multiple SiPM-based gamma-ray detectors on GECAM
Dali Zhang, Xinqiao Li, Xiangyang Wen +22
Each satellite of the Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM, mission) consists of 25 SiPM based gamma-ray detectors (GRDs). Although SiP…
Development of water extraction system for liquid scintillatorpurification of JUNO
Jiaxuan Ye, Jian Fang, Tao hu +10
The Jiangmen Underground Neutrino Observatory (JUNO) uses 20k tons of liquid scintillator (LS)to detect neutrinos. The content of radioactive substances in the liquid scintillator…
Radioactivity control strategy for the JUNO detector
JUNO collaboration, Angel Abusleme, Thomas Adam +594
JUNO is a massive liquid scintillator detector with a primary scientific goal of determining the neutrino mass ordering by studying the oscillated anti-neutrino flux coming from tw…
Energy Response of GECAM Gamma-Ray Detector Based on LaBr3:Ce and SiPM Array
Da-Li Zhang, Xin-Qiao Li, Shao-Lin Xiong +7
The Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) , composed of two small satellites, is a new mission to monitor the Gamma-Ray Bursts (GRBs) c…
The low temperature performance of CsI(Na) crystals for WIPMs direct searches
Xuan Zhang, Xilei Sun, Junguang Lu +1
Previous studies showed that CsI(Na) crystals have significantly different waveforms between alpha and gamma scintillations. In this work, the light yield and PSD capability of CsI…
Neutrino Physics with JUNO
Fengpeng An, Guangpeng An, Qi An +224
The Jiangmen Underground Neutrino Observatory (JUNO), a 20 kton multi-purpose underground liquid scintillator detector, was proposed with the determination of the neutrino mass hie…
Simulation of background reduction and Compton depression in low-background HPGe spectrometer at a surface laboratory
ShunLi Niu, Xiao Cai, ZhenZhong Wu +13
High-purity germanium detectors are well suited to analysis the radioactivity of samples. In order to reduce the environmental background, low-activity lead and oxygen free copper…
Temperature dependence of the light yield of the LAB-based and mesitylene-based liquid scintillators
Xia DongMei, Yu BoXiang, Li XiaoBo +9
We studied the temperature dependence of the light yield of the linear alkyl benzene (LAB)-based and mesitylene-based liquid scintillators. The light yield increases by 23% for bot…
Experimental study of THGEM detector with mini-rim
Ai-Wu Zhang, Bo-Xiang Yu, Yu-Guang Xie +15
The gas gain and energy resolution of single and double THGEM detectors (5{\times}5cm2 effective area) with mini-rims (rim is less than 10μm) were studied. The maximum gain can rea…
The fast light of CsI(Na) crystals
Xilei Sun, Junguang Lu, Tao Hu +16
The responds of different common alkali halide crystals to alpha-rays and gamma-rays are tested in our research. It is found that only CsI(Na) crystals have significantly different…