English
Related papers

Related papers: Conceptual challenges and computational progress i…

200 papers

The design and analysis of systems that combine computational behaviour with physical processes' continuous dynamics - such as movement, velocity, and voltage - is a famous, challenging task. Several theoretical results from programming…

Systems and Control · Electrical Eng. & Systems 2024-11-22 Pedro Mendes , Ricardo Correia , Renato Neves , José Proença

We report the results of detailed Monte Carlo simulations of the performance expected both at balloon altitudes and at the probable satellite orbit of a hard X-ray coded-aperture camera being developed for the MIRAX mission. Based on a…

Instrumentation and Methods for Astrophysics · Physics 2016-06-01 Manuel Castro , Joao Braga , Ana Penacchioni , Flavio D'Amico , Rodrigo Sacahui

Electromagnetic processes of charged particles interaction with oriented crystals provide a wide variety of innovative applications such as beam steering, crystal-based extraction/collimation of leptons and hadrons in an accelerator, a…

We describe an extension to the Geant4 software package that allows it to be used as a general purpose X-ray tracing package. We demonstrate its use by building a model of the X-ray optics of the XMM-Newton, calculating its effective area,…

Data Analysis, Statistics and Probability · Physics 2009-02-02 Ernst-Jan Buis , Giuseppe Vacanti

X-ray fluorescence computed tomography based on sheet-beam can save a huge amount of time to obtain a whole set of projections using synchrotron. However, it is clearly unpractical for most biomedical research laboratories. In this paper,…

Medical Physics · Physics 2017-03-07 Shanghai Jiang , Peng He , Luzhen Deng , Mianyi Chen , Biao Wei

A systematic experimental study of the main challenges for silicon-pixel sensors at the European XFEL is presented. The high instantaneous density of X-rays and the high repetition rate of the XFEL pulses result in signal distortions due to…

Instrumentation and Detectors · Physics 2015-06-12 Robert Klanner , Julian Becker , Eckhart Fretwurst , Ioana Pintilie , Thomas Poehlsen , Jörn Schwandt , Jiaguo Zhang

Xsuite is a newly developed modular simulation package combining in a single flexible and modern framework the capabilities of different tools developed at CERN in the past decades, notably Sixtrack, Sixtracklib, COMBI and PyHEADTAIL. The…

We are delighted to see the recent development of physics-informed extreme learning machine (PIELM) for its higher computational efficiency and accuracy compared to other physics-informed machine learning (PIML) paradigms. Since a…

Machine Learning · Computer Science 2025-11-04 He Yang , Fei Ren , Francesco Calabro , Hai-Sui Yu , Xiaohui Chen , Pei-Zhi Zhuang

As the computer vision matures into a systems science and engineering discipline, there is a trend in leveraging latest advances in computer graphics simulations for performance evaluation, learning, and inference. However, there is an open…

Computer Vision and Pattern Recognition · Computer Science 2015-12-04 V S R Veeravasarapu , Rudra Narayan Hota , Constantin Rothkopf , Ramesh Visvanathan

We present a novel Python tool for the analysis of Geant4 simulations that enhances our understanding of coherent phenomena occurring during the interaction of charged particles with crystal planes. This tool compares the total energy of…

The Geant4-DNA project proposes to develop an open-source simulation software based and fully included in the general-purpose Geant4 Monte Carlo simulation toolkit. The main objective of this software is to simulate biological damages…

An investigation is in progress to evaluate extensively and quantitatively the possible benefits and drawbacks of new programming paradigms in a Monte Carlo simulation environment, namely in the domain of physics modeling. The prototype…

Extended Reality (XR) is an emerging technology spanning diverse application domains and offering immersive user experiences. However, its unique characteristics, such as six degrees of freedom interactions, present significant testing…

Software Engineering · Computer Science 2025-03-24 Ruizhen Gu , José Miguel Rojas , Donghwan Shin

After the development of a BoGEMMS (Bologna Geant4 Multi-Mission Simulator) template for the back- ground study of X-ray telescopes, a new extension is built for the simulation of a Gamma-ray space mission (e.g. AGILE, Fermi), conceived to…

Instrumentation and Methods for Astrophysics · Physics 2018-02-07 Valentina Fioretti , Andrea Bulgarelli , Marco Tavani , Martino Marisaldi , Sabina Sabatini , Giuseppe Malaguti , Massimo Trifoglio , Fulvio Gianotti

Radioactive decays are of concern in a wide variety of applications using Monte-Carlo simulations. In order to properly estimate the quality of such simulations, knowledge of the accuracy of the decay simulation is required. We present a…

The plain text geometry description syntax in Geant4 has been extended to incorporate optical properties for bulk materials and surface interfaces. This extension enables users to configure and execute comprehensive optical simulations…

High Energy Physics - Experiment · Physics 2026-05-07 Ariestotle Raj Maharjan , Jianchen Li , Jing Liu

The success of high energy physics programs relies heavily on accurate detector simulations and beam interaction modeling. The increasingly complex detector geometries and beam dynamics require sophisticated techniques in order to meet the…

To take advantage of high-resolution optics sensitive to a broad energy range, future X-ray imaging instruments will require thick detectors with small pixels. This pixel aspect ratio affects spectral response in the soft X-ray band, vital…

We describe and experimentally validate an end-to-end simulation of a digital camera. The simulation models the spectral radiance of 3D-scenes, formation of the spectral irradiance by multi-element optics, and conversion of the irradiance…

Image and Video Processing · Electrical Eng. & Systems 2021-05-11 Zheng Lyu , Krithin Kripakaran , Max Furth , Eric Tang , Brian Wandell , Joyce Farrell

The LegPy package has been upgraded by including the production of X-ray fluorescence based on a simple model. Several tests have been done to check the validity of our approximations. This simple model has been sufficient to fix severe…

Accelerator Physics · Physics 2025-01-28 Victor Moya , Jaime Rosado , Fernando Arqueros