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Recent progress in neutron spin-echo spectroscopy by means of longitudinal Modulation of IntEnsity with Zero Effort (MIEZE) is reviewed. Key technical characteristics are summarized which highlight that the parameter range accessible in…

Mirror matter is considered as a candidate for dark matter. In connection with this an experimental search for neutron - mirror neutron (nn') transitions has been carried out using storage of ultracold neutrons in a trap with different…

MCViNE (Monte-Carlo VIrtual Neutron Experiment) is a versatile Monte Carlo (MC) neutron ray-tracing program that provides researchers with tools for performing computer modeling and simulations that mirror real neutron scattering…

We present the instrument concept for KVASIR, a backscattering indirect time-of-flight neutron spectrometer for the European Spallation Source (ESS). KVASIR will probe low lying excitations of single crystal hard condensed matter that many…

Strongly Correlated Electrons · Physics 2026-03-17 Amalie F. Davidsen , Kristine M. L. Krighaar , Pascale P. Deen , and Kim Lefmann

Large-scale neutrino telescopes have the primary objective to detect and characterize neutrino sources in the universe. These experiments rely on the detection of charged leptons produced in the interaction of neutrinos with nuclei. Angular…

High Energy Physics - Experiment · Physics 2023-08-28 Pascal Gutjahr , Jean-Marco Alameddine , Alexander Sandrock , Jan Soedingrekso , Mirco Hünnefeld , Wolfgang Rhode

The European Spallation Source (ESS) is the world's next generation spallation-based neutron source. The research conducted at ESS will yield in the discovery and development of new materials including the fields of manufacturing,…

Instrumentation and Detectors · Physics 2019-02-20 Gabor Galgoczi , Kalliopi Kanaki , Francesco Piscitelli , Thomas Kittelmann , Dezso Varga , Richard Hall-Wilton

In the past decade, several neutron reflectometry methods for determining the modulus and phase of the complex reflection coefficient of an unknown multilayer thin film have been worked out among which the method of variation of…

Materials Science · Physics 2012-09-06 Seyed Farhad Masoudi , Saeed S. Jahromi

Nonlinear optical generation from a crystalline material can reveal the symmetries of both its lattice structure and underlying ordered electronic phases and can therefore be exploited as a complementary technique to diffraction based…

Strongly Correlated Electrons · Physics 2014-11-04 D. H. Torchinsky , H. Chu , T. Qi , G. Cao , D. Hsieh

An observation of neutron-antineutron oscillations ($ n-\bar{n}$), which violate both $B$ and $B-L$ conservation, would constitute a scientific discovery of fundamental importance to physics and cosmology. A stringent upper bound on its…

High Energy Physics - Experiment · Physics 2019-06-12 V. V. Nesvizhevsky , V. Gudkov , K. V. Protasov , W. M. Snow , A. Yu. Voronin

Organic scintillators are widely used for fast neutron detection and spectroscopy. Several effects complicate the interpretation of results from detectors based upon these materials. First, fast neutrons will often leave a detector before…

Instrumentation and Detectors · Physics 2009-10-29 N. S. Bowden , P. Marleau , J. T. Steele , S. Mrowka , G. Aigeldinger , W. Mengesha

Non-line-of-sight (NLOS) imaging methods are capable of reconstructing complex scenes that are not visible to an observer using indirect illumination. However, they assume only third-bounce illumination, so they are currently limited to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Diego Royo , Talha Sultan , Adolfo Muñoz , Khadijeh Masumnia-Bisheh , Eric Brandt , Diego Gutierrez , Andreas Velten , Julio Marco

Neutron scattering is a unique and versatile characterization technique for probing the magnetic structure and dynamics of materials. However, instruments at neutron scattering facilities in the world is limited, and instruments at such…

The MIRO instrument's remote sensing capability is integral in constraining water density, temperature and velocity fields in the coma of 67P/Churyumov-Gersimenko. Our aim is to quantify the contribution to the water density from all facets…

Earth and Planetary Astrophysics · Physics 2019-03-05 L. Rezac , Y. Zhao , P. Hartogh , J. Ji , D. Marshall , X. Shi

We have realized a suspended, high-reflectivity focusing metamirror ($f\approx 10$ cm, $\mathcal{R} \approx 99\%$) by non-periodic photonic crystal patterning of a Si$_3$N$_4$ membrane. The design enables construction of a stable, short…

Optics · Physics 2024-02-22 A. R. Agrawal , J. Manley , D. Allepuz-Requena , D. J. Wilson

Novel multiplexing triple-axis neutron scattering spectrometers yield significant improvements of the common triple-axis instruments. While the planar scattering geometry keeps ensuring compatibility with complex sample environments, a…

Data Analysis, Statistics and Probability · Physics 2026-03-02 Jakob Lass , Henrik Jacobsen , Daniel G. Mazzone , Kim Lefmann

The magneto-optical polarization rotation effect has prolific applications in various research areas spanning the scientific spectrum including space and interstellar research, nano-technology and material science, biomedical imaging, and…

Optics · Physics 2018-12-12 Chengjie Zhu , Feng Zhou , Eric Y. Zhu , E. W. Hagley , L. Deng

The Low Energy Neutron Source (LENS) is an accelerator-based pulsed cold neutron facility under construction at the Indiana University Cyclotron Facility (IUCF). The idea behind LENS is to produce pulsed cold neutron beams starting with…

Fluorescence LiDAR (FLiDAR), a Light Detection and Ranging (LiDAR) technology employed for distance and depth estimation across medical, automotive, and other fields, encounters significant computational challenges in scattering media. The…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Ismail Erbas , Ferhat Demirkiran , Karthik Swaminathan , Naigang Wang , Navid Ibtehaj Nizam , Stefan T. Radev , Kaoutar El Maghraoui , Xavier Intes , Vikas Pandey

Migdal effect is attracting interests because of the potential to enhance the sensitivities of direct dark matter searches to the low mass region. In spite of its great importance, the Migdal effect has not been experimentally observed yet.…

Instrumentation and Detectors · Physics 2020-09-15 Kiseki D. Nakamura , Kentaro Miuchi , Shingo Kazama , Yutaro Shoji , Masahiro Ibe , Wakutaka Nakano

Magnetic nanoparticles offer unique potential for various technological, biomedical, or environmental applications thanks to the size-, shape- and material-dependent tunability of their magnetic properties. To optimize particles for a…