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The Advanced Photon Source (APS) primary and backup injectors consist of two thermionic-cathode rf guns. These guns are being upgraded to provide improved performance, to improve ease of maintenance, and to reduce downtime required for…

Instrumentation and Detectors · Physics 2016-09-08 J. F. Maclean , N. D. Arnold

To realize and test advanced accelerator concepts and hardware, a beamline is being reconfigured in the Linac Extension Area (LEA) of APS linac. A photo-cathode RF gun installed at the beginning of the APS linac will provide a low emittance…

Accelerator Physics · Physics 2018-06-20 Seunghwan Shin , Yine Sun , Jeff Dooling , Alexander Zholents

An S-band linear accelerator is the source of particles and the front end of the Advanced Photon Source injector. In addition, it supports a low-energy undulator test line (LEUTL) and drives a free-electron laser (FEL). A…

Accelerator Physics · Physics 2019-08-17 A. E. Grelick , N. Arnold , S. Berg , D. Dohan , G. Goeppner , Y. W. Kang , A. Nassiri , S. Pasky , G. Pile , T. Smith , S. J. Stein

The use of existing linacs, and in particular light source injectors, for free-electron laser (FEL) experiments is becoming more common due to the desire to test FELs at ever shorter wavelengths. The high-brightness, high-current beams…

Accelerator Physics · Physics 2008-11-26 G. Travish , S. Biedron , M. Borland , M. Hahne , K. Harkay , J. W. Lewellen , A. Lumpkin , S. Milton , N. Sereno

Los Alamos is currently developing novel particle accelerator controls and diagnostics algorithms to enable higher quality beams with lower beam losses than is currently possible. The purpose of this workshop was to consider tuning and…

Accelerator Physics · Physics 2020-01-16 Alexander Scheinker , Claudio Emma , Auralee L. Edelen , Spencer Gessner

The electron and positron accelerator complex at KEK offers unique experimental opportunities in the fields of elementary particle physics with SuperKEKB collider and photon science with two light sources. In order to maximize the…

Accelerator Physics · Physics 2024-03-11 Kazuro Furukawa , Masanori Satoh , Injector LINAC group

We present the first language-model-driven agentic artificial intelligence (AI) system to autonomously execute multi-stage physics experiments on a production synchrotron light source. Implemented at the Advanced Light Source particle…

Accelerator Physics · Physics 2026-04-28 Thorsten Hellert , Drew Bertwistle , Simon C. Leemann , Antonin Sulc , Marco Venturini

A high peak current, flat longitudinal phase space electron beam is desirable for efficient x-ray free electron laser (FEL) radiation in next generation light sources. To attain such a beam requires the extensive design of the linear…

Accelerator Physics · Physics 2019-10-23 Ji Qiang

The S-band linear accelerator, which was built to be the source of particles and the front end of the Advanced Photon Source injector, is now also being used to support a low-energy undulator test line (LEUTL) and to drive a free-electron…

Accelerator Physics · Physics 2007-05-23 T. L. Smith , M. H. Cho , A. E. Grelick , G. Pile , A. Nassiri , N. Arnold

Proton linear accelerator is the base Accelerator Driven Power System (ADS). Such ADS are dedicated to various purposes: weapon plutonium conversion, "energy amplifier", transmutation of radionuclear wastes etc. Solution of these tasks…

Accelerator Physics · Physics 2007-05-23 Boris Bondarev , Alexander Durkin , Stanislav Vinogradov , Igor Shumakov

We introduce ABEL, the Adaptable Beginning-to-End Linac simulation framework developed for agile design studies of plasma-based accelerators and colliders. ABEL's modular architecture allows users to simulate particle acceleration across…

Accelerator Physics · Physics 2025-07-09 J. B. B. Chen , E. Adli , P. Drobniak , O. G. Finnerud , E. Hørlyk , D. Kalvik , C. A. Lindstrøm , F. Peña , K. Sjobak

This paper proposes a Priority-driven Accelerator Access Management (PAAM) framework for multi-process robotic applications built on top of the Robot Operating System (ROS) 2 middleware platform. The framework addresses the issue of…

Robotics · Computer Science 2024-04-10 Daniel Enright , Yecheng Xiang , Hyunjong Choi , Hyoseung Kim

Processing in memory (PIM) moves computation into memories with the goal of improving throughput and energy-efficiency compared to traditional von Neumann-based architectures. Most existing PIM architectures are either general-purpose but…

Hardware Architecture · Computer Science 2019-07-23 Oscar Castañeda , Maria Bobbett , Alexandra Gallyas-Sanhueza , Christoph Studer

Since performance improvements of computers are stagnating, new technologies and computer paradigms are hot research topics. Memristor-based In-Memory Computing is one of the promising candidates for the post-CMOS era, which comes in many…

Emerging Technologies · Computer Science 2024-10-22 Fabian Seiler , Nima TaheriNejad

Progress in optical techniques has made precision control of the phase profile in optical pulses common and accessible in scientific laboratories. Carefully shaping the field profile of a laser pulse can be used to master the dynamics of…

Accelerator Physics · Physics 2025-09-11 Sophie Crisp , R. Joel England , Alexander Ody , Pietro Musumeci

Efficiently serving Large Language Models (LLMs) requires selecting an optimal parallel execution plan, balancing computation, memory, and communication overhead. However, determining the best strategy is challenging due to varying…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-01 Yi-Chien Lin , Woosuk Kwon , Ronald Pineda , Fanny Nina Paravecino

Laser-plasma accelerators (LPAs), producing high-quality electron beams, provide an opportunity to reduce the size of free-electron lasers (FELs) to only a few meters. A complete system is proposed here, which is based on FEL technology and…

Accelerator Physics · Physics 2018-07-04 Z. Tibai , Gy. Tóth , A. Nagyváradi , A. Sharma , M. I. Mechler , J. A. Fülöp , G. Almási , J. Hebling

Photonic neural networks offer a promising alternative to traditional electronic systems for machine learning accelerators due to their low latency and energy efficiency. However, the challenge of implementing the backpropagation algorithm…

PIP-II is an 800 MeV superconducting RF linear accelerator under development at Fermilab. As the new first stage in our accelerator chain, it will deliver high-power beam to multiple experiments simultaneously and thus drive Fermilab's…

Accelerator Physics · Physics 2024-01-30 Dennis J. Nicklaus , Pierrick Hanlet , Charles King , Daniel McArthur , Richard Neswold

Simulation of atomic resolution image formation in scanning transmission electron microscopy can require significant computation times using traditional methods. A recently developed method, termed plane-wave reciprocal-space interpolated…

Computational Physics · Physics 2017-07-07 Alan Pryor , Colin Ophus , Jianwei Miao
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