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Directed Energy Deposition (DED) offers significant potential for manufacturing complex and multi-material parts. However, internal defects such as porosity and cracks can compromise mechanical properties and overall performance. This study…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Israt Zarin Era , Fan Zhou , Ahmed Shoyeb Raihan , Imtiaz Ahmed , Alan Abul-Haj , James Craig , Srinjoy Das , Zhichao Liu

Transition metal dichalcogenides (TMDs) represent an entire new class of semiconducting 2D materials with exciting properties. Defects in 2D TMDs can crucially affect their physical and chemical properties. However, characterization of the…

The phenomenon of beam focusing of microwaves in a plasma near a turning-point caustic is discussed in the context of the analytical solution to the Gaussian beam-tracing equations in the 2D linear-layer problem. The location of maximum…

Scanning precession electron diffraction (SPED) is a powerful technique for investigating strain. While extensive literature exists analysing strain under high convergence angle conditions there are few systematic studies describing work…

We present helium atom micro-diffraction as an ideal technique for characterization of 2D materials due to its ultimate surface sensitivity combined with sub-micron spatial resolution. Thermal energy neutral helium scatters from the valence…

A precision measurement of the cosmic-ray positron spectrum may help to solve the puzzle of the nature of dark matter. Pairwise annihilation of neutralinos, predicted by some supersymmetric extensions to the standard model of particle…

Instrumentation and Methods for Astrophysics · Physics 2010-02-17 H. Gast , R. Greim , T. Kirn , G. Roper Yearwood , S. Schael

A new method to correct the emulsion deformation, mainly produced in the development process, is developed to recover the high accuracy of nuclear emulsion as a tracking device. The method is based on a precise photomask and a careful…

Instrumentation and Detectors · Physics 2015-06-11 M. Kimura , H. Ishida , H. Shibuya , S. Ogawa , T. Matsuo , C. Fukushima , G. Takahashi , K. Kuge , Y. Sato , I. Tezuka , S. Mikado

We present a nuclear medical imaging technique, employing triple-gamma trajectory intersections from beta^+ - gamma coincidences, able to reach sub-millimeter spatial resolution in 3 dimensions with a reduced requirement of reconstructed…

Medical Physics · Physics 2014-02-18 C. Lang , D. Habs , K. Parodi , P. G. Thirolf

Cross section ratios for deep-inelastic scattering from $^3$He, $^{14}$N and $^{84}$Kr with respect to $^2$H have been measured by the HERMES collaboration at DESY using a 27.5 GeV positron beam. The data cover a range in the Bjorken…

High Energy Physics - Experiment · Physics 2016-08-31 HERMES Collaboration , A. Airapetian

Spin defects in two-dimensional materials hold significant potential for quantum information technologies and sensing applications. The negatively charged boron vacancy (VB-) in hexagonal boron nitride (hBN) has attracted considerable…

Among laboratory probes of dark matter, fixed-target neutrino experiments are particularly well-suited to search for light weakly-coupled dark sectors. In this paper, we show that the DAEdALUS source setup---an 800 MeV proton beam impinging…

High Energy Physics - Phenomenology · Physics 2015-03-13 Yonatan Kahn , Gordan Krnjaic , Jesse Thaler , Matthew Toups

We report on the assessment of the imaging performance of CITIUS -- a high-speed X-ray detector developed for the large-scale synchrotron radiation facility SPring-8-II -- for heavy charged particles and neutrons. To characterize the…

Instrumentation and Detectors · Physics 2026-05-25 Yoshio Kamiya , Haruki Nishino , Takaki Hatsui

Addressing the need for efficient and integrated multiscale crystallographic and defect analyses of advanced materials, this paper presents the implementation of a new multi-configuration detection system, integrating a single…

Instrumentation and Detectors · Physics 2026-05-19 Nohayla El-Khairaoui , Julien Guyon , Nathalie Gey , Luc Morhain , Nabila Maloufi

Results of a measurement of dimuon photoproduction in non-ultraperipheral Pb+Pb collisions at $\sqrt{s_{_\mathrm{NN}}} = 5.02$ TeV are presented. The measurement uses ATLAS data from the 2015 and 2018 Pb+Pb data-taking periods at the LHC…

Nuclear Experiment · Physics 2023-05-09 ATLAS Collaboration

Even the best quality 2D materials have non-negligible concentrations of vacancies and impurities. It is critical to understand and quantify how defects change intrinsic properties, and use this knowledge to generate functionality. This…

Other Condensed Matter · Physics 2020-10-22 Pedro Miguel M. C. de Melo , Zeila Zanolli , Matthieu Jean Verstraete

Precession Electron Diffraction (PED) offers a number of advantages for crystal structure analysis and solving unknown structures using electron diffraction. The current article uses many-beam simulations of PED intensities, in combination…

Materials Science · Physics 2025-09-22 W. Sinkler , L. D. Marks

The role of defects in two-dimensional semiconductors and how they affect the intrinsic properties of these materials have been a wide researched topic over the past decades. Optical characterization such as photoluminescence and Raman…

The advanced imaging and delivery techniques in proton therapy allow conformal high-dose irradiation of the target volume with high accuracy using pencil beam scanning or beam shaping apertures. These irradiation methods increasingly…

In Experimental Advanced Superconducting Tokamak (EAST tokamak) with tungsten divertors and molybdenum first wall, lithiumization and boronization have been frequently carried out to improve the plasma performance, in particular, in long…

Plasma Physics · Physics 2025-02-27 A. Hu , Y. Cheng , L. Zhang , S. Morita , J. Ma , M. Kobayashi , C. Zhou , J. Chen , Y. Cao , F. Zhang , W. Zhang , Z. Li , D. Mitnik , S. Wang , Y. Jie , G. Zuo , J. Qian , H. Liu , G. Xu , J. Hu , K. Lu , Y. Song

Materials with tailored quantum properties can be engineered from atomic scale assembly techniques, but existing methods often lack the agility and accuracy to precisely and intelligently control the manufacturing process. Here we…