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Microstructure characterization is of great value to understanding nuclear graphite's properties and irradiation behavior. However, graphite is soft and could be easily damaged during sample preparation. A three-step polishing method…

Materials Science · Physics 2021-06-07 Qing Huang , Hui Tang

Nuclear materials accountability and nonproliferation are among the critical tasks to be addressed for the advancement of nuclear energy in the United States. Monitoring spent nuclear fuel is important to continue reliable stewardship of…

Instrumentation and Detectors · Physics 2022-12-12 Junghyun Bae , Stylianos Chatzidakis

In this study, we have developed a new sub-MeV neutron detector that has a high position resolution, energy resolution, directional sensitivity, and low background. The detector is based on a super-fine-grained nuclear emulsion, called the…

Instrumentation and Detectors · Physics 2022-09-01 T. Shiraishi , I. Todoroki , T. Naka , A. Umemoto , R. Kobayashi , O. Sato

There has been an increasing interest in the monitoring of nuclear fuel for power reactors by detecting the anti-neutrinos produced during operation. Small liquid scintillator detectors have already demonstrated sensitivity to operational…

Instrumentation and Detectors · Physics 2007-05-23 R. W. McKeown , D. E. Reyna

A novel method for localization and estimation of compact sources of gamma radiation for Micro Aerial Vehicles (MAVs) is presented in this paper. The method is developed for a novel single-detector Compton camera, developed by the authors.…

We report here on the optimization of 0.5 cm thick pixelated Orbotech CZT detectors with regards to the best contacting materials and the use of steering grids. We evaluated the performance of different contacting materials. Our study…

Astrophysics · Physics 2009-11-11 I. Jung , A. Garson , H. Krawczynski , A. Burger , M. Groza , J. Matteson , R. T. Skelton

Nuclear security operations and forensic investigations require the utilization of a suite of instruments ranging from passive gamma spectrometers to high-precision laboratory sample analyzers. Gamma spectroscopy survey is further broken…

Instrumentation and Detectors · Physics 2026-02-03 L. E. Sinclair , P. R. B. Saull , A. McCann , A. M. L. MacLeod , N. J. Murtha , A. El-Jaby , G. Jonkmans

Detector efficiency determination is essential to correct the measured yields and extract reliable cross sections of particles emitted in nuclear reactions. We investigate the efficiencies for measuring the full energies of light charged…

Instrumentation and Detectors · Physics 2017-02-01 P. Morfouace , W. G. Lynch , M. B. Tsang

The detection of low energy neutrinos ($<$ few tens of MeV) via coherent nuclear scattering remains a holy grail of sorts in neutrino physics. This uncontroversial mode of interaction is expected to profit from a sizeable increase in cross…

High Energy Physics - Experiment · Physics 2011-05-12 P. Barbeau , J. I. Collar , J. Miyamoto , I. Shipsey

Tumor segmentation in medical imaging is crucial and relies on precise delineation. Fluorodeoxyglucose Positron-Emission Tomography (FDG-PET) is widely used in clinical practice to detect metabolically active tumors. However, FDG-PET scans…

Image and Video Processing · Electrical Eng. & Systems 2023-10-05 Matthias Hadlich , Zdravko Marinov , Rainer Stiefelhagen

In this work, we have developed and characterized a position-sensitive CLYC detector that acts as the neutron imaging layer and $\gamma$-ray Compton scatterer of the novel dual \g-ray and neutron imaging system GN-Vision, which aims at…

The feasibility of low-energy fragmentation experiments using a magnetic spectrometer is discussed. The main challenge is the multiplicity of the ionic charge states, which can hamper the identification in both Z and A of the fragments.…

Nuclear Experiment · Physics 2009-11-10 L. Audouin , L. Tassan-Got , P. Armbruster , K. -H. Schmidt , C. Stephan , J. Taieb

A compact, portable and large field-of-view gamma camera to identify, locate and quantify gamma-ray emitting radioisotopes in real-time has been developed. The device delivers spectroscopic and imaging capabilities, which allow one to use…

This Letter analyzes the sensitivity of event geometry estimators to the initial-state kinematics of hard scattering in proton-lead collisions. This analysis uses dijets as a proxy for the parton-parton scattering configuration, correlating…

Nuclear Experiment · Physics 2026-05-14 ATLAS Collaboration

High-energy photonuclear ($\gamma+A$) scattering in ultra-peripheral heavy-ion collisions provides a unique probe of nuclear structure. This Letter studies the dependence of $\gamma+A$ jet production in ultra-peripheral Pb+Pb collisions at…

Nuclear Experiment · Physics 2026-04-23 ATLAS Collaboration

Cosmic ray muon computed tomography ({\mu}CT) is a new imaging modality with unique characteristics that could be particularly important for diverse applications including nuclear nonproliferation, spent nuclear fuel monitoring, cargo…

Instrumentation and Detectors · Physics 2018-10-17 Zhengzhi Liu , Stylianos Chatzidakis , John M. Scaglione , Can Liao , Haori Yang , Jason P. Hayward

A nuclear emulsion with micronized crystals is required for the tracking detection of submicron ionizing particles, which are a target of dark matter detection and other methods. We found that a new production method, named as the…

Instrumentation and Detectors · Physics 2017-05-16 Takashi Asada , Tatsuhiro Naka , Ken-ichi Kuwabara , Masahiro Yoshimoto

The Gas Amplifier Detector with Germanium Tagging (GADGET) is a new detection system devoted to the measurement of weak, low-energy $\beta$-delayed proton decays relevant for nuclear astrophysics studies. It is comprised of a new gaseous…

In the framework of the development of the SWGO experiment we have performed a detailed study of the single unit of an extensive air shower observatory based on an array of water Cherenkov detectors. Indeed, one of the possible water…

Instrumentation and Methods for Astrophysics · Physics 2022-05-05 Francesca Bisconti , Andrea Chiavassa

Conceiving the possibility of using plastic scintillator bars as robust detectors for antineutrino detection for the remote reactor monitoring and nuclear safeguard application we study expected basic performance by Monte Carlo simulation.…

Instrumentation and Detectors · Physics 2016-10-20 A. Sh. Georgadze , V. M. Pavlovych , O. A. Ponkratenko , D. A. Litvinov
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