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Related papers: HPGe-Compton Net: A Physics-Guided CNN for Fast Ga…

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High Purity Germanium (HPGe) detectors are powerful detectors for gamma-ray spectroscopy. The sensitivity to low-intensity gamma-ray peaks is often hindered by the presence of Compton continuum distributions, originated by gamma-rays…

We describe here an efficient machine-learning based approach for the optimization of parameters used for extracting the arrival time of waveforms, in particular those generated by the detection of 511 keV annihilation gamma-rays by a 60…

Instrumentation and Detectors · Physics 2020-04-02 R. W. Gladen , V. A. Chirayath , A. J. Fairchild , M. T. Manry , A. R. Koymen , A. H. Weiss

Diagnostics are critical on the path to commercial fusion reactors, since measurements and characterisation of the plasma is important for sustaining fusion reactions. Gamma spectroscopy is commonly used to provide information about the…

Instrumentation and Detectors · Physics 2025-07-28 Kimberley Lennon , Chantal Shand , Robin Smith

High-purity germanium detectors are well suited to analysis the radioactivity of samples. In order to reduce the environmental background, low-activity lead and oxygen free copper are installed outside of the probe to shield gammas, outmost…

High-purity germanium (HPGe) detectors are widely used for the measurement of the low concentrated radioactivities. For the Super-Kamiokande-Gadolinium project, the concentration of radium in Gd$_2$(SO$_4$)$_3{\cdot}$8H$_2$O is determined…

Instrumentation and Detectors · Physics 2021-10-28 S. Ito , K. Ichimura , Y. Takaku , K. Abe , M. Ikeda , Y. Kishimoto

$P$-type high-purity germanium (HPGe) detectors are widely used across many scientific domains, and current data analysis methods have served well in many use cases. However, applications like low-background experiments that search for rare…

Instrumentation and Detectors · Physics 2026-03-10 P. Zhang , W. Dai , Q. Zhang , F. Hagemann , O. Schulz , C. Alvarez-Garcia , L. Yang , Q. Yue , Z. Zeng , J. Cheng , H. Ma

Radiation detectors constructed from large volume high purity Ge (HPGe) single crystals are widely used for gamma-ray spectroscopy. The detectors for this application can be simple in that they need only have two electrical contacts for…

Instrumentation and Detectors · Physics 2020-06-11 Mark Amman

Experiments to search for neutrinoless double-beta (0{\nu}\b{eta}\b{eta}) decay of 76Ge using a high-purity germanium (HPGe) detector rely heavily on background suppression technologies to enhance their sensitivities. In this work, we…

Instrumentation and Detectors · Physics 2023-05-31 Jingzhe Yang , Yang Tian , Wenhan Dai , Mingxin Yang , Lin Jiang , Jinjun Wen , Tao Xue , Ming Zeng , Zhi Zeng , Yulan Li

Nuclear energy production is inherently tied to the management and disposal of radioactive waste. Enhancing classification and monitoring tools is therefore crucial, with significant socioeconomic implications. This paper reports on the…

There is a pressing market demand to minimize the test time of Prompt Gamma Neutron Activation Analysis (PGNAA) spectra measurement machine, so that it could function as an instant material analyzer, e.g. to classify waste samples…

Machine Learning · Computer Science 2022-08-31 Ka Yung Cheng , Helmand Shayan , Kai Krycki , Markus Lange-Hegermann

Efficient and precise classification of histological cell nuclei is of utmost importance due to its potential applications in the field of medical image analysis. It would facilitate the medical practitioners to better understand and…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 S H Shabbeer Basha , Soumen Ghosh , Kancharagunta Kishan Babu , Shiv Ram Dubey , Viswanath Pulabaigari , Snehasis Mukherjee

Searches for new physics push experiments to look for increasingly rare interactions. As a result, detectors require increasing sensitivity and specificity, and materials must be screened for naturally occurring, background-producing…

Instrumentation and Detectors · Physics 2021-02-03 D. S. Leonard , I. S. Hahn , W. G. Kang , V. Kazalov , G. W. Kim , Y. D. Kim , E. K. Lee , M. H. Lee , S. Y. Park , E. Sala

GRETA, the Gamma-Ray Energy Tracking Array, is an array of highly-segmented HPGe detectors designed to track {\gamma}-rays emitted in beam-physics experiments. Its high detection efficiency and state-of-the-art position resolution make it…

Instrumentation and Detectors · Physics 2021-07-05 Robert Crabbs , I-Yang Lee , Kai Vetter

``Oversimplified'' and ``simplified'' methods based on true coincidence summing effect used in uncomplicated determination of the photo-peak efficiency of the semiconductor High Purity Germanium (HPGe) detector system are suggested and…

Instrumentation and Detectors · Physics 2022-06-22 Victor V. Golovko

GRETA, the Gamma-Ray Energy Tracking Array, is an array of highly-segmented HPGe detectors designed to track gamma-rays emitted in beam-physics experiments. Its high detection efficiency and state-of-the-art position resolution enable it to…

Instrumentation and Detectors · Physics 2021-07-05 Robert Crabbs , I-Yang Lee , Kai Vetter

A high-efficiency fast neutron detector prototype based on a triple Gas Electron Multiplier (GEM) detector, which coupled with a novel multi-layered High-Density PolyEthylene (HDPE) as a neutron-to-proton converter for improving the neutron…

Instrumentation and Detectors · Physics 2015-06-19 Xiao-Dong Wang , He-Run Yang , Zhong-Guo Ren , Jun-Wei Zhang , Lei Yang , Chun-Hui Zhang , Ri-Ba-La Ha , Lv-Xing An

The first operational prototype of a high-purity Germanium (HPGe) detector developed within the European LEAPS-INNOV project is presented in this work. This prototype features a monolithic, multi-element sensor optimized for high-resolution…

The GammaTPC is an MeV-scale single-phase liquid argon time-projection-chamber gamma-ray telescope concept with a novel dual-scale pixel-based charge-readout system. It promises to enable a significant improvement in sensitivity to…

Instrumentation and Methods for Astrophysics · Physics 2023-01-25 M. Buuck , A. Mishra , E. Charles , N. Di Lalla , O. Hitchcock , M. E. Monzani , N. Omodei , T. Shutt

In this paper, we explore the optimization of metal recycling with a focus on real-time differentiation between alloys of copper and aluminium. Spectral data, obtained through Prompt Gamma Neutron Activation Analysis (PGNAA), is utilized…

A new generation of high-resolution hypernuclear gamma$-spectroscopy experiments with high-purity germanium detectors (HPGe) are presently designed at the FINUDA spectrometer at DAPhiNE, the Frascati phi-factory, and at PANDA, the…

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