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We are evaluating the performance of a Passive Gamma Emission Tomography (PGET) device equipped with 3D position-sensitive cadmium zinc telluride (CZT) gamma-ray detectors when used for inspecting spent nuclear fuel assemblies (SFAs).…

Instrumentation and Detectors · Physics 2025-01-09 Santeri Saariokari , Peter Dendooven , Mounia Laassiri , Erik Brücken

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

Small objects detection is a challenging task in computer vision due to its limited resolution and information. In order to solve this problem, the majority of existing methods sacrifice speed for improvement in accuracy. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Guimei Cao , Xuemei Xie , Wenzhe Yang , Quan Liao , Guangming Shi , Jinjian Wu

A novel algorithm and implementation of real-time identification and tracking of blob-filaments in fusion reactor data is presented. Similar spatio-temporal features are important in many other applications, for example, ignition kernels in…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-07-05 Lingfei Wu , Kesheng Wu , Alex Sim , Michael Churchill , Jong Y. Choi , Andreas Stathopoulos , Cs Chang , Scott Klasky

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

In this advanced instructional laboratory, students explore complex detection systems and nondestructive assay techniques used in the field of nuclear physics. After setting up and calibrating a neutron detection system, students carry out…

Physics Education · Physics 2023-08-15 Flynn B. Darby , Michael Y. Hua , Oskari V. Pakari , Shaun D. Clarke , Sara A. Pozzi

Decay of $^{210}$Po compound nucleus formed in light and heavy-ion induced fusion reactions has been analyzed simultaneously using a consistent prescription for fission barrier and nuclear level density incorporating shell correction and…

Nuclear Experiment · Physics 2015-09-30 K. Mahata , S. Kailas , S. S. Kapoor

A new measurement of the $^{235}$U(n,f) cross section was performed at the neutron time-of-flight facility n_TOF at CERN. The experiment focused on neutron energies from 20 MeV to several hundred MeV, and was normalized to neutron…

Over the last decade, there has been significant improvement in the understanding and modeling of the decay of fission fragments by both prompt and delayed emission. These model improvements open the door for performing consistent…

Nuclear Theory · Physics 2026-05-05 A. E. Lovell , T. Kawano , P. Talou

Most existing and proposed high energy neutrino experiments have excellent muon charge identification capabilities, enabling the distinction of $\nu_\mu$ and $\bar \nu_\mu$ charged current interactions. In contrast, distinguishing electrons…

High Energy Physics - Phenomenology · Physics 2026-01-29 Felix Kling , Toni Mäkelä , Josh McFayden

We propose measuring the arrival time difference of Fast Radio Bursts (FRBs) along two adjacent sightlines as a new probe to dark matter substructures on scales down to $\sim 1\,$AU. We discuss two observational scenarios in which it may be…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-16 Huangyu Xiao , Liang Dai , Matthew McQuinn

This article presents the timing performance of materials with fast light emission, tested as Minimum Ionizing Particle detectors using 150 GeV hadron beams in Monte Carlo simulations and at the CERN SPS North Area. Pixels of cross-section…

Efficient ion-photon coupling is an important component for large-scale ion-trap quantum computing. We propose that arrays of phase Fresnel lenses (PFLs) are a favorable optical coupling technology to match with multi-zone ion traps. Both…

Quantum Physics · Physics 2011-01-25 E. W. Streed , B. G. Norton , J. J. Chapman , D. Kielpinski

We develop a comprehensive model for the effective two-photon density matrix produced by a parametric source of entangled photon pairs under a variety of detector configurations commonly seen in a laboratory setting: two and four photon…

Quantum Physics · Physics 2025-08-25 Taman Truong , Christian Arenz , Joseph M. Lukens

This paper proposes the Parallel Residual Bi-Fusion Feature Pyramid Network (PRB-FPN) for fast and accurate single-shot object detection. Feature Pyramid (FP) is widely used in recent visual detection, however the top-down pathway of FP…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Ping-Yang Chen , Ming-Ching Chang , Jun-Wei Hsieh , Yong-Sheng Chen

The neutrino signal from the next galactic core-collapse supernova will provide an invaluable early warning of the explosion. By combining the burst trigger from several neutrino detectors, the location of the explosion can be triangulated…

We present a method for detecting neutrons using scintillating lithium gadolinium borate crystal shards in a plastic matrix while maintaining high gamma rejection. We have procured two cylindrical detectors, 5"\times5", containing 1%…

Nuclear Experiment · Physics 2011-09-20 Kareem Kazkaz , Nathaniel S. Bowden , Marisa Pedretti

Efficient and reliable detection of radiological or nuclear threats is a crucial part of national and international efforts to prevent terrorist activities. Radiation Portal Monitors (RPMs), which are deployed worldwide, are intended to…

Instrumentation and Detectors · Physics 2015-12-09 Mark R. Gilbert , Zamir Ghani , Lee W. Packer

We propose a novel method for identification of a linear pattern of pixels on a two-dimensional grid. Following principles employed by the visual cortex, we employ orientation selective neurons in a neural network which performs this task.…

High Energy Physics - Experiment · Physics 2009-10-28 Halina Abramowicz , David Horn , Ury Naftaly , Carmit Sahar-Pikielny

Measurements of neutron-induced fission cross sections and light-ion production are planned in the energy range 1-40 MeV at the upcoming Neutrons For Science (NFS) facility. In order to prepare our detector setup for the neutron beam with…

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