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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, higher trigger rates, offline analysis, etc. Meanwhile, the…

仪器与探测器 · 物理学 2021-12-21 Jirong Cang , Tao Xue , Ming Zeng , Zhi Zeng , Hao Ma , Jianping Cheng , Yinong Liu

With the development of high-speed readout electronics, the digital pulse shape discrimination (PSD) methods have attracted the attention of more researchers, especially in the field of high energy physics and neutron detection. How to…

仪器与探测器 · 物理学 2020-04-22 Jingjun Wen , Jinfu Zhu , Tao Xue , Jirong Cang , Liangjun Wei , Qiyuan Nie , Ming Zeng , Zhi Zeng , Hao Ma , Jianmin Li , Yinong Liu

In many physical experiments and applications with photomultiplier tubes (PMTs), high-speed pulse digitalization is used extensively. The current pulse from a PMT has a rising time of several to a hundred nanoseconds. The current pulse…

仪器与探测器 · 物理学 2019-10-08 Tao Xue , Jinfu Zhu , Guanghua Gong , Liangjun Wei , Jianmin Li

The CDEX (China Dark matter Experiment) aims at detection of WIMPs (Weakly Interacting Massive Particles) and 0vbb (Neutrinoless double beta decay) of 76Ge. It now uses ~10 kg HPGe (High Purity Germanium) detectors in CJPL (China Jinping…

仪器与探测器 · 物理学 2020-10-26 Jinfu Zhu , Tianhao Wang , Tao Xue , Liangjun Wei , Jingjun Wen , Lin Jiang , Jianmin Li

Pulse shape discrimination (PSD) is crucial for non-proliferation and security applications, where fast neutrons need to be identified and measured in the presence of a strong gamma-ray background. The traditional charge-integration-based…

仪器与探测器 · 物理学 2022-05-02 Ming Fang , Satwik Pani , Angela Di Fulvio

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 promising properties, the intrinsic radiation background of…

仪器与探测器 · 物理学 2021-09-03 Ming Zeng , Jirong Cang , Zhi Zeng , Xiaoguang Yue , Jianping Cheng , Yinong Liu , Junli Li

Organic scintillators exhibit fast timing, high detection efficiency for fast neutrons and pulse shape discrimination (PSD) capability. PSD is essential in mixed radiation fields, where different types of radiation need to be detected and…

仪器与探测器 · 物理学 2023-04-05 Jianxin Zhou , Abdullah Abdulaziz , Yoann Altmann , Angela Di Fulvio

The use of programmable hardware devices is imperative for digital based pulse shape discrimination (PSD) to differentiate between various types of radiation. This work reports the development of a PSD algorithm based on tail area and total…

仪器与探测器 · 物理学 2023-07-21 Annesha Karmakar , G. Anil Kumar , Bhavika , V. Anand , Anikesh Pal

Signal digitizers revolutionized the approach to the electronics readout of radiation detectors in Nuclear Physics. These highly specialized pieces of equipment are designed to acquire the signals that are characteristic of the detectors in…

The SAMpler for PICosecond time (SAMPIC) chip has been designed by a collaboration including CEA/IRFU/SEDI, Saclay and CNRS/LAL/SERDI, Orsay. It benefits from both the quick response of a time to digital converter and the versatility of a…

In beam test experiments have been carried out for particle identification using digital pulse shape analysis in a 500~$\mu$m thick Neutron Transmutation Doped (nTD) silicon detector with an indigenously developed FPGA based 12 bit…

仪器与探测器 · 物理学 2018-05-09 K. Mahata , A. Shrivastava , J. A. Gore , S. K. Pandit , V. V. Parkar , K. Ramachandran , A. Kumar , S. Gupta , P. Patale

The continued advancements of Silicon Photomultipliers (SiPMs) have made them viable photosensors for low recoil energy Pulse Shape Discrimination (PSD) between fast neutron and gamma interactions when coupled to an appropriate…

仪器与探测器 · 物理学 2023-02-01 B. Boxer , B. Godfrey , C. Grace , J. Johnson , R. Khandwala , M. Tripathi

The pixel detectors for the High Luminosity upgrades of the ATLAS and CMS detectors will preserve digitized charge information in spite of extremely high hit rates. Both circuit physical size and output bandwidth will limit the number of…

Fast electronic readout for high-channel density scintillator-based systems is needed for radiation tracking and imaging in a wide range of applications, including nuclear physics, nuclear security and nonproliferation. Programmable…

仪器与探测器 · 物理学 2024-03-26 John Leland , Ming Fang , Satwik Pani , Yuri Venturini , Marco Locatelli , Angela Di Fulvio

Semiconductor detectors made of CdTe crystal have high gamma-ray detection efficiency and are usable at room temperature. However, the energy resolution of CdTe detectors for MeV gamma-rays is rather poor because of the significant hole…

仪器与探测器 · 物理学 2011-12-22 T. Kikawa , A. K. Ichikawa , T. Hiraki , T. Nakaya

To test and calibrate various detectors in nuclear and high energy physics experiments, a general purposed calibration instrument has been developed. All information including timing, amplitude and charge of signals can be directly obtained…

仪器与探测器 · 物理学 2018-06-26 Zhe Cao , Jiadong Hu , Cheng Li , Shubin Liu , Qi An

The development prospects of a scintillator-photodiode type detector with an improved energy resolution attaining few per cent, R from 1 to 2%, are considered. The main resolution components have been analyzed theoretically, their…

仪器与探测器 · 物理学 2007-05-23 S. V. Naydenov , V. D. Ryzhikov

We present a concept to improve the spatial resolution of silicon pixel-detectors via the implementation of a sub-pixel cross-coupling, which introduces directional charge sharing between pixels. The charge-collection electrode is segmented…

仪器与探测器 · 物理学 2020-07-24 Sinuo Zhang , David-Leon Pohl , Tomasz Hemperek , Jochen Dingfelder

A sampling calorimeter equipped with gaseous sensor layers with digital readout is near perfect for "Particle Flow Algorithm" approach, since it is homogeneous over large surfaces, robust, cost efficient, easily segmentable to any readout…

仪器与探测器 · 物理学 2015-06-19 Y. Haddad , M. Ruan , V. Boudry

This review presents a comprehensive survey and benchmark of pulse shape discrimination (PSD) algorithms for radiation detection, classifying nearly sixty methods into statistical (time-domain, frequency-domain, neural network-based) and…

机器学习 · 计算机科学 2026-04-21 Haoran Liu , Yihan Zhan , Mingzhe Liu , Yanhua Liu , Peng Li , Zhuo Zuo , Bingqi Liu , Runxi Liu
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