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We review common extensions of particle-in-cell (PIC) schemes which account for strong field phenomena in laser-plasma interactions. After describing the physical processes of interest and their numerical implementation, we provide…

In 1995 a 9SDH-2 Pelletron from NEC was installed at IFUNAM (Instituto de Fisica, Universidad Nacional Autonoma de Mexico). Two beam lines have been operational since then and two new lines have been built. In order to perform the planned…

Accelerator Physics · Physics 2016-09-08 R. Macias , E. Chavez , M. E. Ortiz , K. Lopez , A. Huerta , M. C. Verde

Agentic AI will be an essential enabling technology for designing future mobile communication systems, which could provide flexible and customized services, automate complex network operations, and drive autonomous decision-making across…

Networking and Internet Architecture · Computer Science 2026-05-05 Purna Sai Garigipati , Onur Ayan , Kishor Chandra Joshi , Xueli An

This document describes the concept of a primary electron beam facility at CERN, to be used for dark gauge force and light dark matter searches. The electron beam is produced in three stages: A Linac accelerates electrons from a…

Accelerator Physics · Physics 2018-06-01 T. Åkesson , Y. Dutheil , L. Evans , A. Grudiev , Y. Papaphilippou , S. Stapnes

This paper describes the concept of a primary electron beam facility at CERN, to be used for dark gauge force and light dark matter searches. The electron beam is produced in three stages: A Linac accelerates electrons from a photo-cathode…

Accelerator Physics · Physics 2019-05-21 T. Åkesson , R. Corsini , Y. Dutheil , L. Evans , B. Goddard , A. Grudiev , A. Latina , Y. Papaphilippou , S. Stapnes

LAL is now equiped with its own platform for photoinjectors tests and Research and Developement, named PHIL (PHotoInjectors at LAL). This facility has two main purposes: push the limits of the photoinjectors performances working on both the…

The characterization of the electronic structure and chemical states of gases, solids, and liquids can be effectively performed using ambient pressure X-ray photoelectron spectroscopy (AP-XPS). However, the acquisition of electronic and…

Chemical Physics · Physics 2025-03-17 Yang Gu , Zhehao Qiu , Shui Lin , Yong Han , Hui Zhang , Zhi Liu , Jun Cai

To meet requirements of high performance THz-FEL (Free Electron Laser), a compact scheme of FEL injector was proposed. Thermionic cathode was chosen to emit electrons instead of photo-cathode with complex structure and high cost. The…

Accelerator Physics · Physics 2015-06-16 Tong-ning Hu , Qu-shan Chen , Yuan-ji Pei , Ji Li , Bin Qin

Electron beam quality is paramount for X-ray pulse production in free-electron-lasers (FELs). State-of-the-art linear accelerators (linacs) can deliver multi-GeV electron beams with sufficient quality for hard X-ray-FELs, albeit requiring…

At the High Energy Photon Source (HEPS) where up to 90 beamlines can be provided in the future, minimisation of workload for individual beamlines and maximisation of knowledge about one beamline that can be applied to other beamlines is…

Instrumentation and Detectors · Physics 2022-04-29 Yu Liu , Xue-Wei Dong , Gang Li

KEKB completed all of the technical milestones, and had offered important insights into the flavor structure of elementary particles, especially the CP violation. The accelerator control system at KEKB and injector linac was initiated by a…

Although accelerator technology has matured sufficiently, state-of-the-art X-ray linacs for radiotherapy and cargo-scanning capture merely 30-50% of the electrons from a thermionic cathode, requiring a higher cathode current and leaving…

This article describes concepts and mechanisms used in porting of EPICS (Experimental Physical and Industrial Control System) codes to platform of operating system UNIX. Without destruction of EPICS architecture, new features of EPICS…

High Energy Physics - Theory · Physics 2007-05-23 T. V. Salikova

The energy recovery linac test facility (ERL-TF), a compact ERL-FEL (free electron laser) two-purpose machine, was proposed at the Institute of High Energy Physics, Beijing. As one important component of the ERL-TF, the photo-injector…

Accelerator Physics · Physics 2015-10-09 Jiao Yi , Xiao Ou-Zheng

The emulation of multi-step attacks attributed to advanced persistent threats is valuable for training defenders and evaluating defense tools. In this paper, we discuss the numerous challenges and desired attributes associated with such…

Cryptography and Security · Computer Science 2025-10-09 Suresh K. Damodaran , Paul D. Rowe

Development of Cyber Physical Systems (CPSs) requires close interaction between developers with expertise in many domains to achieve ever-increasing demands for improved performance, reduced cost, and more system autonomy. Each engineering…

Software Engineering · Computer Science 2020-04-14 Charles Hartsell , Nagabhushan Mahadevan , Harmon Nine , Ted Bapty , Abhishek Dubey , Gabor Karsai

Here, we introduce Linac_Gen, a tool developed at Fermilab, which combines machine learning algorithms with Particle-in-Cell methods to advance beam dynamics in linacs. Linac_Gen employs techniques such as Random Forest, Genetic Algorithms,…

Accelerator Physics · Physics 2024-06-25 Abhishek Pathak

The urgency of the energy transition requires improving the performance and longevity of hydrogen technologies. AlphaPEM is a dynamic one-dimensional (1D) physics-based PEM fuel cell system simulator, programmed in Python and experimentally…

Systems and Control · Electrical Eng. & Systems 2026-01-28 Raphaël Gass , Zhongliang Li , Rachid Outbib , Samir Jemeï , Daniel Hissel

In current accelerators, numerous parameters and monitored values are to be adjusted and evaluated, respectively. In addition, fine adjustments are required to achieve the target performance. Therefore, the conventional…

Accelerator Physics · Physics 2024-01-29 Gaku Mitsuka , Shinnosuke Kato , Naoko Iida , Takuya Natsui , Masanori Satoh

Currently, Atomic Force Microscopy (AFM) is the most preferred Scanning Probe Microscopy (SPM) method due to its numerous advantages. However, increasing the scanning speed and reducing the interaction forces between the probe's tip and the…

Atomic Physics · Physics 2016-11-17 Serkan Necipoglu , Selman Cebeci , Yunus Has , Levent Guvenc , Cagatay Basdogan