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A low energy photon spectrometer (LEPS), which is a composite planar HPGe, has been characterised experimentally. It has been shown that beyond 200 keV, effect of image charges deteriorates the efficiency of the detector in its addback…

Instrumentation and Detectors · Physics 2015-06-08 Moumita Roy Basu , Sudatta Ray , Abhijit Bisoi , M. Saha Sarkar

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…

Instrumentation and Detectors · Physics 2020-07-24 Sinuo Zhang , David-Leon Pohl , Tomasz Hemperek , Jochen Dingfelder

We constructed a neutron calibration facility based on a 300-mCi Am-Be source in conjunction with a search for weakly interacting massive particle candidates for dark matter. The facility is used to study the response of CsI(Tl) crystals to…

Spectroscopic measurements are presented using the PID350 pixelated gamma radiation detectors. A high-speed data acquisition system has been developed in order to reduce the data loss during the data reading in case of a high flux of…

Instrumentation and Detectors · Physics 2010-11-16 K. Karafasoulis , K. Zachariadou , S. Seferlis , I. Papadakis , D. Loukas , C. Lambropoulos , C. Potiriadis

A comparative study of the neutron-$\gamma$ Pulse Shape Discrimination (PSD) with seven organic scintillators is performed using an identical setup and digital electronics. The scintillators include plastics (EJ-299-33 and a plastic…

Instrumentation and Detectors · Physics 2020-11-30 M. Sénoville , F. Delaunay , M. Pârlog , N. L. Achouri , N. A. Orr

The Soft Gamma-ray Detector (SGD) is one of the instrument payloads onboard ASTRO-H, and will cover a wide energy band (60--600 keV) at a background level 10 times better than instruments currently in orbit. The SGD achieves low background…

The summation amplitude of coincident pulses (SACP) method which is optimal solution to reduce compton scatter phenomenon and pairs phenomenon in the gamma spectra of nuclei decay gamma cascades was used. In the 1982, in comparision with…

Instrumentation and Detectors · Physics 2013-07-12 Pham Dinh Khang , Vuong Huu Tan , Nguyen Xuan Hai , Nguyen Duc Tuan , Ho Huu Thang , A. M. Sukhovoj , V. A. Khitrov

Extensive simulations of a portable radiation detecting system have been performed in order to explore important performance parameters. The instrument consists of a stack of ten detecting layers made of pixelated Cadmium Telluride (CdTe)…

Instrumentation and Detectors · Physics 2011-01-21 K. Karafasoulis , K. Zachariadou , S. Seferlis , I. Kaissas , C. Lambropoulos , D. Loukas , C. Poritiriadis

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 energy and electric field dependence of pulse shape discrimination in liquid xenon have been measured in a 10 gm two-phase xenon time projection chamber. We have demonstrated the use of the pulse shape and charge-to-light ratio…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 J. Kwong , P. Brusov , T. Shutt , C. E. Dahl , A. I. Bolozdynya , A. Bradley

We develop a novel peak detection algorithm for the analysis of comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry (GC$\times$GC-TOF MS) data using normal-exponential-Bernoulli (NEB) and mixture probability…

Applications · Statistics 2014-08-04 Seongho Kim , Ming Ouyang , Jaesik Jeong , Changyu Shen , Xiang Zhang

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

Quantum sensors using solid-state spin defects excel in the detection of radiofrequency (RF) fields, serving various purposes in communication, ranging, and sensing. For this purpose, pulsed dynamical decoupling (PDD) protocols are…

Pulse shape discrimination (PSD) is one of the most distinctive features of liquid scintillators. Since the introduction of the scintillation techniques in the field of particle detection, many studies have been carried out to characterize…

Instrumentation and Detectors · Physics 2008-11-26 H. O. Back et al.

Xenon-doped liquid argon has been proposed as a good alternative to pure liquid argon in scintillation detectors. In this study, we report on the measurement of the time profile of scintillation light emitted from xenon-doped liquid argon…

Instrumentation and Detectors · Physics 2021-02-23 Cristiano Galbiati , Xinran Li , Jingyu Luo , Daniel R. Marlow , Hanguo Wang , Yi Wang

All-optical Compton scattering is a remarkable method of generating high-quality $\gamma$ radiation source. It is easier achieved in experiment by employing a pulse based on laser wakefield accelerator. The driving laser is backward…

Plasma Physics · Physics 2022-05-30 Q. Yu , Y. Zhang , Q. Kong , S. Kawata

CUPID-Mo is a cryogenic detector array designed to search for neutrinoless double-beta decay ($0\nu\beta\beta$) of $^{100}$Mo. It uses 20 scintillating $^{100}$Mo-enriched Li$_2$MoO$_4$ bolometers instrumented with Ge light detectors to…

Patient similarity assessment (PSA) is pivotal to evidence-based and personalized medicine, enabled by analyzing the increasingly available electronic health records (EHRs). However, machine learning approaches for PSA has to deal with…

Machine Learning · Computer Science 2022-02-04 Xian Wei , See Kiong Ng , Tongtong Zhang , Yingjie Liu

(Gd,La)$_2$Si$_2$O$_7$:Ce (La-GPS:Ce) is a new scintillator material with high light output, high energy resolution, and fast decay time. Moreover, the scintillator has a good light output even at high temperature (up to 150$^\circ$C) and…

Instrumentation and Detectors · Physics 2019-07-02 Keita Mizukoshi , Takashi Iida , Izumi Ogawa , Kensei Shimizu , Shunsuke Kurosawa , Kei Kamada , Masao Yoshino , Akira Yoshikawa

To relieve the interference caused by range-Doppler sidelobes in pulsed radars, we propose a new method to construct Doppler resilient complementary waveforms based on Golay codes. We design both the transmit pulse train and the receive…

Signal Processing · Electrical Eng. & Systems 2020-08-26 Zhong-Jie Wu , Chen-Xu Wang , Pei-He Jiang , Zhi-Quan Zhou