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This extended abstract presents a visualization system, which is designed for domain scientists to visually understand their deep learning model of extracting multiple attributes in x-ray scattering images. The system focuses on studying…

Machine Learning · Computer Science 2019-10-11 Xinyi Huang , Suphanut Jamonnak , Ye Zhao , Boyu Wang , Minh Hoai , Kevin Yager , Wei Xu

Knowing a biomolecule's structure is inherently linked to and a prerequisite for any detailed understanding of its function. Significant effort has gone into developing technologies for structural characterization. These technologies do not…

Data Structures and Algorithms · Computer Science 2017-06-22 Michael Wegner , Oskar Taubert , Alexander Schug , Henning Meyerhenke

Condensed phase systems often exhibit a mixture of deterministic and stochastic dynamics at the nanoscale which are essential to understanding their function, but can be challenging to study directly using conventional imaging methods.…

Optics · Physics 2025-01-17 Arnab Sarkar , Allan S. Johnson

Neutrons and x-rays are coherent probes, and their coherent properties are used in scattering experiments. Only coherent scattering probes can elucidate collective molecular motions. While phonons in crystals were studied for half a century…

Biological Physics · Physics 2016-09-08 Maikel C. Rheinstadter

We have observed the signatures of valence electron rearrangement in photoexcited ammonia using ultrafast hard X-ray scattering. Time-resolved X-ray scattering is a powerful tool for imaging structural dynamics in molecules because of the…

X-ray photoemission and x-ray absorption spectroscopy are important techniques to characterize chemical bonding at surfaces and are often used to identify the strength and nature of adsorbate-substrate interactions. In this study, we judge…

Materials Science · Physics 2023-02-09 Samuel J. Hall , Benedikt P. Klein , Reinhard J. Maurer

We have developed an experimental system to simultaneously observe surface structure, morphology, composition, chemical state, and chemical activity for samples in gas phase environments. This is accomplished by simultaneously measuring…

Instrumentation and Detectors · Physics 2021-04-21 H. Kersell , P. Chen , H. Martins , Q. Lu , F. Brausse , B. -H. Liu , M. Blum , S. Roy , B. Rude , A. Kilcoyne , H. Bluhm , S. Nemšák

The real-space multiple-scattering (RSMS) approach is applied to model non-resonant inelastic scattering from deep core electron levels over a broad energy spectrum. This approach is applicable to aperiodic or periodic systems alike and…

Other Condensed Matter · Physics 2009-11-11 J. A. Soininen , A. L. Ankudinov , J. J. Rehr

This paper reviews non-resonant meV-resolved inelastic x-ray scattering (IXS) as a complementary method to inelastic neutron scattering (INS). Two aspects of IXS that are notable in this context are (1) that IXS allows straightforward…

Soft Condensed Matter · Physics 2024-06-18 Alfred Q. R. Baron

The detection of inelastically scattered soft X-rays with high energy resolution usually requires large grating spectrometers. Recently, photoelectron spectrometry for analysis of X-rays (PAX) has been rediscovered for modern spectroscopy…

Coarse-grained models can be of great help to address the problem of structure prediction in nucleic acids. On one hand they can make the prediction more efficient, while on the other hand, they can also help to identify the essential…

Biological Physics · Physics 2020-05-05 Simón Poblete , Sandro Bottaro , Giovanni Bussi

Existing interactive visualization tools for deep learning are mostly applied to the training, debugging, and refinement of neural network models working on natural images. However, visual analytics tools are lacking for the specific…

Computer Vision and Pattern Recognition · Computer Science 2020-09-07 Xinyi Huang , Suphanut Jamonnak , Ye Zhao , Boyu Wang , Minh Hoai , Kevin Yager , Wei Xu

X-ray interaction with matter is an energy-dependent process that is contingent on the atomic structure of the constituent material elements. The most advanced models to capture this relationship currently rely on Monte Carlo (MC)…

Machine Learning · Computer Science 2023-07-11 Raziye Kubra Kumrular , Thomas Blumensath

A new method is presented for describing vibrational effects in x-ray absorption spectroscopy (XAS) and resonant inelastic x-ray scattering (RIXS) using a combination of the classical Franck-Condon (FC) approximation and classical…

Materials Science · Physics 2017-12-20 Mathias P. Ljungberg

Characterization of structural diversity within soft materials is key for engineering new materials for various applications. Small-angle scattering (SAS) is a widely used characterization technique that provides structural information in…

Soft Condensed Matter · Physics 2024-03-29 Sri Vishnuvardhan Reddy Akepati , Nitant Gupta , Arthi Jayaraman

Improvement of electrochemical technologies is one of the most popular topics in the field of renewable energy. However, this process requires a deep understanding of the electrode electrolyte interface behavior under operando conditions.…

Changes in the number of copies of certain parts of the genome, known as copy number alterations (CNAs), due to somatic mutation processes are a hallmark of many cancers. This genomic complexity is known to be associated with poorer…

Genomics · Quantitative Biology 2024-08-26 Charles Gadd , Christopher Yau

We present an improved method for handling off-shell effects in deep inelastic nuclear scattering. With a firm understanding of the effects of the nuclear wave function, including these off-shell corrections as well as binding and…

High Energy Physics - Phenomenology · Physics 2009-10-30 C. D. Cothran , D. B. Day , S. Liuti

High-energy electron scattering is a clean and precise probe for measurements of hadronic and nuclear structure, with a key role in understanding the role of high-momentum nucleons (and quarks) in nuclei. Jefferson Lab has dramatically…

Nuclear Experiment · Physics 2022-03-08 John Arrington , Nadia Fomin , Axel Schmidt

We demonstrate the successful application of X-ray Speckle Visibility Spectroscopy (XSVS) experiments to study the dynamics of radiation sensitive, biological samples with unprecedentedly small X-ray doses of 45 Gy and below. Using XSVS, we…