216 citations · 2.2k across the 74 of their papers we have counts for
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Study on cosmogenic activation in copper for rare event search experiments
Ze She, Zhi Zeng, Hao Ma +5
The rare event search experiments using germanium detectors are performed in the underground laboratories to prevent cosmic rays. However, the cosmogenic activation of the cupreous…
Preliminary Design of a FADC Readout System for the Alpha/Beta Discrimination in a Large Area Plastic Scintillation Detector
Jingjun Wen, Daowei Dou, Jinfu Zhu +5
This paper describes a FADC Readout system developed for the tap water dose monitoring system which is based on EJ444 phoswich scintillation detector and wavelength shifting…
A marine radioisotope gamma-ray spectrum analysis method based on Monte Carlo simulation and MLP neural network
Wenhan Dai, Zhi Zeng, Daowei Dou +4
The monitoring of Cs-137 in seawater using scintillation detector relies on the spectrum analysis method to extract the Cs-137 concentration. And when in poor statistic situation,…
Ionization-density-dependent Scintillation Pulse Shape and Mechanism of Luminescence Quenching in LaBr3:Ce
Jirong Cang, XinChao Fang, Zhi Zeng +4
Pulse-shape discrimination (PSD) is usually achieved using the different fast and slow decay components of inorganic scintillators, such as BaF2, CsI:Tl, etc. However, LaBr3:Ce is…
Performances of a prototype point-contact germanium detector immersed in liquid nitrogen for light dark matter search
H. Jiang, L. T. Yang, Q. Yue +70
The CDEX-10 experiment searches for light weakly-interacting massive particles, a form of dark matter, at the China JinPing underground laboratory, where approximately 10 kg of ger…
Measurements of Radon Concentrations Using CR-39 Detectors in China JinPing Underground Laboratory (2015-2016)
Cuihong Liu, Hao Ma, Zhi Zeng +3
Radon background is one of the most critical influences on the ultra-low background and rare-event physical experiments in underground laboratories. To conduct a comprehensive inve…
Study on cosmogenic activation in germanium detectors for future tonne-scale CDEX experiment
J. L. Ma, Q. Yue, S. T. Lin +14
A study on cosmogenic activation in germanium was carried out to evaluate the cosmogenic background level of natural and Ge depleted germanium detectors. The production rate…
Optimal Design of Waveform Digitisers for Both Energy Resolution and Pulse Shape Discrimination
Jirong Cang, Tao Xue, Ming Zeng +4
Fast digitisers and digital pulse processing have been widely used for spectral application and pulse shape discrimination (PSD) owing to their advantages in terms of compactness,…
The Large Enriched Germanium Experiment for Neutrinoless Double Beta Decay (LEGEND)
LEGEND Collaboration, N. Abgrall, A. Abramov +230
The observation of neutrinoless double-beta decay (0) would show that lepton number is violated, reveal that neutrinos are Majorana particles, and provide information on neutr…
Gross beta determination using a scintillating fiber array detector for drinking water
Wenhui Lu, Hongchang Yi, Tongqing Liu +4
A scintillating fiber array measurement system for gross beta is developed to achieve real-time monitoring of radioactivity in drinking water. The detector consists of 1,096 scinti…
Compton suppression in BEGe detectors by digital pulse shape analysis
Yuhao Mi, Hao Ma, Zhi Zeng +3
A new method of pulse shape discrimination (PSD) for BEGe detectors is developed to suppress Compton-continuum by digital pulse shape analysis (PSA), which helps reduce the Compton…
Neutron background measurements at China Jinping underground laboratory with a Bonner Multi-sphere Spectrometer
Qingdong Hu, Hao Ma, Zhi Zeng +9
The neutron background spectrum from thermal neutron to 20 MeV fast neutron was measured at the first experimental hall of China Jinping underground laboratory with a Bonner multi-…
Electron Track Reconstruction and Improved Modulation for Photoelectric X-ray Polarimetry
Tenglin Li, Ming Zeng, Hua Feng +7
The key to photoelectric X-ray polarimetry is the determination of the emission direction of photoelectrons. Because of the low mass of an electron, the ionisation trajectory is no…
Optimization of an underwater in-situ LaBr3:Ce spectrometer with energy self-calibration and efficiency calibration
Zhi Zeng, Xingyu Pan, Hao Ma +5
An underwater in situ gamma ray spectrometer based on LaBr3 was developed and optimized to monitor marine radioactivity. The intrinsic background mainly from La138 and Ac227 of LaB…
Characterization study of a broad-energy germanium detector at CJPL
Zhi Zeng, Yu-Hao Mi, Ming Zeng +6
The ability of background discrimination using pulse shape discrimination (PSD) in broad-energy germanium (BEGe) detectors makes them as competitive candidates for neutrinoless dou…
single-electron events and 0νββ events in CdZnTe: A Monte Carlo simulation study
Ming Zeng, Tenglin Li, Jirong Cang +6
In neutrinoless double beta (0νββ) decay experiments, the diversity of topological signatures of different particles provides an important tool to distinguish double beta events fr…
Mathematical modelling and study of the encoding readout scheme for position sensitive detectors
Xiaoguang Yue, Ming Zeng, Zhi Zeng +5
Encoding readout methods based on different schemes have been successfully developed and tested with different types of position-sensitive detectors with strip-readout structures.…
A Prototype of LaBr3:Ce in situ Gamma-Ray Spectrometer for Marine Environmental Monitoring
Ming Zeng, Zhi Zeng, Jirong Cang +5
A prototype of LaBr3:Ce in situ gamma-ray spectrometer for marine environmental monitoring is developed and applied for in situ measurement. A 3-inch LaBr3:Ce scintillator is used…
The cosmic ray muon tomography facility based on large scale MRPC detector
Xuewu Wang, Ming Zeng, Zhi Zeng +7
Cosmic ray muon tomography is a novel technology to detect high-Z material. A prototype of TUMUTY with 73.6 cm x 73.6 cm large scale position sensitive MRPC detectors has been deve…
Quantitative Analysis and Efficiency Study of PSD Methods for a LaBr3:Ce Detector
Ming Zeng, Jirong Cang, Zhi Zeng +4
The LaBr3:Ce scintillator has been widely studied for nuclear spectroscopy because of its optimal energy resolution (<3%@ 662 keV) and time resolution (~300 ps). Despite these prom…
The characteristics of a low background germanium gamma ray spectrometer at China JinPing underground Laboratory
Yuhao Mi, Hao Ma, Zhi Zeng +3
A low background germanium gamma ray spectrometer, GeTHU, has been installed at China JinPing underground Laboratory. The integral background count rate between 40 and 2700 keV was…
Characterization of large area photomultiplier ETL 9357FLB for liquid argon detector
Ying-Shuai Du, Qian Yue, Yi-Bao Liu +10
The China Dark Matter Experiment (CDEX) Collaboration will carry out a direct search for weakly interacting massive particles with germanium detectors. Liquid argon will be utilize…
A background simulation method for cosmogenic nuclides inside HPGe detectors for rare event experiments
Jian Su, Zhi Zeng, Hao Ma +3
Cosmogenic nuclides inside germanium detectors contribute background noise spectra quite different from ordinary external sources. We propose and discuss a nuclide decay and level…
Measurement of Cosmic Ray Flux in China JinPing underground Laboratory
Yu-Cheng Wu, Xi-Qing Hao, Qian Yue +18
China JinPing underground Laboratory (CJPL) is the deepest underground laboratory presently running in the world. In such a deep underground laboratory, the cosmic ray flux is a ve…