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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

A monitoring system for fast neutrons is planned in the COSINE experiment, a dark matter experiment with NaI crystals. We pursued several R&D approaches for a neutron detector using a liquid scintillator (LS). A pulse shape discrimination…

Instrumentation and Detectors · Physics 2018-07-25 G. Adhikari , P. Adhikari , C. Ha , E. J. Jeon , K. W. Kim , N. Y. Kim , Y. D. Kim , Y. J. Ko , H. S. Lee , J. Lee , M. H. Lee , R. H. Maruyama , S. L. Olsen , H. Prihtiadi

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 considered to not possess different components at room…

Instrumentation and Detectors · Physics 2021-09-03 Jirong Cang , XinChao Fang , Zhi Zeng , Ming Zeng , Yinong Liu , Zhigang Sun , Ziyun Chen

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

Plastic scintillators detectors (PSDs) have been studied as dosimeters, since they provide a cost-effective alternative to conventional ionization chambers. Measurement and analysis of energy dependency were performed on a Siemens Mammomat…

Instrumentation and Detectors · Physics 2017-11-06 J. Antunes , J. Machado , L. Peralta , N. Matela

Digitization of detector signals enables analysis of the original waveform to extract timing, particle identification, and energy deposition information. Here we present the use of analytical functions based on sigmoids to model and fit…

Instrumentation and Detectors · Physics 2020-01-23 F. Q. L Friesen , C. R. Howell

The scintillation mechanism in NaI:Tl crystals produces different pulse shapes that are dependent on the incoming particle type. The time distribution of scintillation light from nuclear recoil events decays faster than for electron recoil…

Detailed characterization of the newly available plastic scintillator (EJ-299-33A) having the pulse shape discrimination (PSD) property has been carried out in case of a large-sized detector (5 in.$\times$5 in.). The pulse height response…

Instrumentation and Detectors · Physics 2020-12-08 Pratap Roy , K. Banerjee , A. K. Saha , C. Bhattacharya , J. K. Meenaa , P. Bhaskar , S. Mukhopadhyay , S. Bhattacharya

In this contribution we report on further investigations of the recently-evaluated Constant-Fraction Time-over-Threshold (CF-ToT) method for neutron/gamma-ray pulse shape discrimination (PSD). The superiority of the CF-ToT PSD method over…

Instrumentation and Detectors · Physics 2023-05-31 A. Roy , D. Vartsky , I. Mor , C. Boiano , S. Brambilla , S. Riboldi , E. O. Cohen , Y. Yehuda-Zada , A. Beck , L. Arazi

Many modern digital analyzers offer the ability to record raw pulses from ionizing radiation detectors. We use this opportunity to investigate the effectiveness of Charge Comparison Method in Pulse Shape Discrimination of neutron and gamma…

In a dedicated test setup at the Kamioka Observatory we studied pulse shape discrimination (PSD) in liquid xenon (LXe) for dark matter searches. PSD in LXe was based on the observation that scintillation light from electron events was…

Results of experimental studies of detector arrays S-PD (scintillator-photodiode) and PRD (scintillator-photoreceiving device) used for X-ray digital radiography have shown that there exist further possibilities to increase spatial…

Instrumentation and Detectors · Physics 2007-05-23 V. D. Ryzhikov , S. V. Naydenov , D. N. Kozin , E. K. Lisetskaya , A. D. Opolonin , V. M. Svishch , T. V. Kulik

Sufficient current pulse information of nuclear radiation detectors can be retained by direct waveform digitization owing to the improvement of digitizer's performance. In many circumstances, reasonable cost and power consumption are on…

Instrumentation and Detectors · Physics 2020-04-22 Tao Xue , Jinfu Zhu , Jingjun Wen , Jirong Cang , Zhi Zeng , Liangjun Wei , Lin Jiang , Yinong Liu , Jianmin Li

Plastic scintillation detectors represent an efficient, cost-effective, customizable solution for assessment of gamma radiation fields in the context of nuclear security, environmental radiation survey, radiological and nuclear incidents…

Instrumentation and Detectors · Physics 2021-12-08 Paolo Tancioni , Ulisse Gendotti

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

An organic glass scintillator developed by Sandia National Laboratories was characterized in terms of its light output and pulse shape discrimination (PSD) properties and compared to commercial liquid (EJ-309) and plastic (EJ-276) organic…

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…

Instrumentation and Detectors · Physics 2018-05-09 K. Mahata , A. Shrivastava , J. A. Gore , S. K. Pandit , V. V. Parkar , K. Ramachandran , A. Kumar , S. Gupta , P. Patale

This work describes a class of liquid scintillators that contain mostly water (>50 wt. % of the entire composition) and can discriminate between interactions induced by neutrons and gamma rays. By balancing the interface interactions…

A new type of neutron detector, named Stack Structure Solid organic Scintillator (S$^4$), consisting of multi-layer plastic scintillators with capability to suppress low-energy $\gamma$ rays under high-counting rate has been constructed and…

The ultimate sensitivity of optical detection is limited by the signal-to-noise ratio (SNR). The first part of the paper shows that coherence plays an important role in the noise analysis. Although interference between an auxiliary wave and…

Optics · Physics 2007-05-23 Taras Plakhotnik