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There is a key research issue to accurately select out neutron signals and discriminate gamma signals from a mixed radiation field in the neutron detection. This paper proposes a fractal spectrum discrimination approach by means of…

Instrumentation and Detectors · Physics 2016-08-03 Mingzhe Liu , Bingqi Liu , Zhuo Zuo , Lei Wang , Guibin Zan , Xianguo Tuo

The publicly accessible dataset includes neutron and gamma-ray pulse signals for conducting pulse shape discrimination experiments. Several traditional and recently proposed pulse shape discrimination algorithms are utilized to evaluate the…

Signal Processing · Electrical Eng. & Systems 2024-04-09 Kaimin Wang , Haoran Liu , Peng Li , Mingzhe Liu , Zhuo Zuo

The basic principles of detection of fast neutrons with liquid scintillator detectors are reviewed, together with a real example in the form of the Neutron Wall array. Two of the challenges in neutron detection, discrimination of neutrons…

Nuclear Experiment · Physics 2008-12-08 P. -A. Söderström

An essential metric for the quality of a particle-identification experiment is its statistical power to discriminate between signal and background. Pulse shape discrimination (PSD) is a basic method for this purpose in many nuclear,…

Instrumentation and Detectors · Physics 2024-05-17 Shubham Dutta , Sayan Ghosh , Satyaki Bhattacharya , Satyajit Saha

A novel algorithm for the discrimination of neutron and {\gamma}-ray with wavelet transform modulus maximum (WTMM) in an organic scintillation has been investigated. Voltage pulses arising from a BC501A organic liquid scintillation detector…

Instrumentation and Detectors · Physics 2013-04-18 Yang yun , Liu guofu , Yang jun , Luo xiaoliang

This study shows an implementation of neutron-gamma pulse shape discrimination (PSD) using a two-dimensional convolutional neural network. The inputs to the network are snapshots of the unprocessed, digitized signals from a BC501A detector.…

Instrumentation and Detectors · Physics 2023-06-19 Annesha Karmakar , Anikesh Pal , G. Anil Kumar , Bhavika , V. Anand , Mohit Tyagi

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…

Instrumentation and Detectors · Physics 2023-04-05 Jianxin Zhou , Abdullah Abdulaziz , Yoann Altmann , Angela Di Fulvio

A digital pulse shape discrimination system based on a programmable module NI-5772 has been established and tested with EJ-301 liquid scintillation detector. The module was operated by means of running programs developed in LabVIEW with the…

Instrumentation and Detectors · Physics 2015-12-09 Bo Wan , Xueying Zhang , Liang Chen , Honglin Ge , Fei Ma , Hongbin Zhang , Yongqin Ju , Yanbin Zhang , Yanyan Li , Xiaowei Xu

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…

Instrumentation and Detectors · Physics 2023-07-21 Annesha Karmakar , G. Anil Kumar , Bhavika , V. Anand , Anikesh Pal

We demonstrate the use of a convolutional neural network to perform neutron-gamma pulse shape discrimination, where the only inputs to the network are the raw digitised SiPM signals from a dual scintillator detector element made of…

Instrumentation and Detectors · Physics 2018-07-19 J. Griffiths , S. Kleinegesse , D. Saunders , R. Taylor , A. Vacheret

Fast-neutron/gamma-ray pulse-shape discrimination has been performed for the organic liquid scintillators NE 213A and EJ 305 using a time-of-flight based neutron-tagging technique and waveform digitization on an event-by-event basis.…

Using the waveforms from a digital electronic system, an offline analysis technique on pulse shape discrimination (PSD) has been developed to improve the neutron-gamma separation in a bar-shaped NE-213 scintillator that couples to a…

In this work, we present results for discrimination of neutron and $\gamma$ events using a plastic scintillator detector with pulse shape discrimination capabilities. Machine learning (ML) algorithms are used to improve the discriminatory…

Instrumentation and Detectors · Physics 2025-11-19 S. Panda , P. K. Netrakanti , S. P. Behera , R. R. Sahu , K. Kumar , R. Sehgal , D. K. Mishra , V. Jha

Pulse shape discrimination plays a key role in improving the signal-to-background ratio in NEOS analysis by removing fast neutrons. Identifying particles by looking at the tail of the waveform has been an effective and plausible approach…

Traditionally, neutron-$\gamma$ discrimination in organic scintillators relies on techniques such as time-of-flight (ToF) selection and pulse-shape discrimination (PSD). However, particle identification through graphical cuts remains…

Organic scintillators are important in advancing nuclear detection and particle physics experiments. Achieving a high signal-to-noise ratio necessitates efficient pulse shape discrimination techniques to accurately distinguish between…

Instrumentation and Detectors · Physics 2025-02-11 Fengzhao Shen , Tao Li , Jingkui He , Shenghui Xie , Yuehuan Wei , Tuchen Huang , Wei Wang

It is very important to measure the plasma performances of fusion reactors such as fuel ion density, plasma temperature, fusion power, fast neutron energy, and neutron flux. Various diagnostic systems are needed to measure fast neutron…

Nuclear Experiment · Physics 2024-07-10 Iskender Atilla Reyhancan

This study utilized the Tempotron, a robust classifier based on a third-generation neural network model, for pulse shape discrimination. By eliminating the need for manual feature extraction, the Tempotron model can process pulse signals…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Haoran Liu , Peng Li , Ming-Zhe Liu , Kai-Ming Wang , Zhuo Zuo , Bing-Qi Liu

A Bayesian approach is proposed for pulse shape discrimination of photons and neutrons in liquid organic scinitillators. Instead of drawing a decision boundary, each pulse is assigned a photon or neutron confidence probability. This allows…

Data Analysis, Statistics and Probability · Physics 2017-03-06 Mateusz Monterial , Peter Marleau , Shaun Clarke , Sara Pozzi

Pressurized Helium-4 (PHe) based fast neutron scintillation detector offers an useful alternative to organic liquid-based scintillator due to its relatively low response to the $\gamma$-rays compared to the latter type of scintillator. In…

Instrumentation and Detectors · Physics 2024-09-04 Shubham Dutta , Sayan Ghosh , Satyajit Saha
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