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In the Large Hadron Collider, the beam losses are continuously measured for machine protection. By design, most of the particle losses occur in the collimation system, where the particles with high oscillation amplitudes or large momentum…

Accelerator Physics · Physics 2023-01-11 Ekaterina Krymova , Guillaume Obozinski , Michael Schenk , Loic Coyle , Tatiana Pieloni

Designing a qubit architecture is one of the most critical challenges in achieving scalable and fault-tolerant quantum computing as the performance of a quantum computer is heavily dependent on the coherence times, connectivity and low…

Particle accelerators play a pivotal role in advancing scientific research, yet optimizing beamline configurations to maximize particle transmission remains a labor-intensive task requiring expert intervention. In this work, we introduce…

Accelerator Physics · Physics 2026-01-27 Anwar Ibrahim , Alexey Petrenko , Maxim Kaledin , Ehab Suleiman , Fedor Ratnikov , Denis Derkach

A CW-compatible, pulsed H- superconducting linac is envisaged as a possible path for upgrading Fermilab's injection complex. To validate the concept of the front- end of such a machine, a test accelerator (a.k.a. PXIE) is under…

Accelerator Physics · Physics 2015-02-06 A. Shemyakin , M. Alvarez , R. Andrews , C. Baffes , A. Chen , B. Hanna , L. Prost , G. Saewert , V. Scarpine , J. Steimel , D. Sun , D. Li , R. D'Arcy

Optimizing the injection process in particle accelerators is crucial for enhancing beam quality and operational efficiency. This paper presents a framework for utilizing Reinforcement Learning (RL) to optimize the injection process at…

Accelerator Physics · Physics 2025-03-19 Awal Awal , Jan Hetzel , Ralf Gebel , Jörg Pretz

The development of the new RFQ Cooler, called SHIRaC, was carried out. As a part of SPIRAL 2 facility, SHIRaC aims to handle and cool typical SPIRAL 2 beams with large emittances (up to 80 pi.mm.mrad) and high currents (up to 1 uA). Its…

Accelerator Physics · Physics 2017-12-13 Ramzi Boussaid

Variational quantum algorithms, which utilize Parametrized Quantum Circuits (PQCs), are promising tools to achieve quantum advantage for optimization problems on near-term quantum devices. Their PQCs have been conventionally constructed…

Quantum Physics · Physics 2023-02-23 Hiroshi C. Watanabe , Rudy Raymond , Yu-ya Ohnishi , Eriko Kaminishi , Michihiko Sugawara

To date, linear accelerators (linacs) as electron sources used to produce ionizing radiation for industrial purposes have been limited to less than 100 kW. When the electron beam is used directly, this is sufficient for most potential…

Accelerator Physics · Physics 2022-02-17 Thomas K. Kroc

Fundamental limitations in accelerator gradient, emittance, alignment and polarization in acceleration schemes are considered in application for novel schemes of acceleration, including laser-plasma and structure-based schemes. Problems for…

Accelerator Physics · Physics 2014-11-26 A. A. Mikhailichenko

The finite element analysis of high frequency vibrations of quartz crystal plates is a necessary process required in the design of quartz crystal resonators of precision types for applications in filters and sensors. The anisotropic…

Computational Physics · Physics 2015-09-21 Ji Wang , Lihong Wang , Qiang Sun , Rongxing Wu , Bin Huang , Jianke Du , Wei Xiang

Over the last years, the generation and acceleration of ultra-short, high quality electron beams has attracted more and more interest in accelerator science. Electron bunches with these properties are necessary to operate and test novel…

The determination of beam parameters is essential for the operation and development of any accelerator facility. The working principle of frequently used beam instruments for electron and proton beams is discussed. The article comprises of…

Accelerator Physics · Physics 2020-09-23 Peter Forck

Reinforcement learning (RL) algorithms are increasingly used to solve the optimal power flow (OPF) problem. Yet, the question of how to design RL environments to maximize training performance remains unanswered, both for the OPF and the…

Machine Learning · Computer Science 2025-05-14 Thomas Wolgast , Astrid Nieße

This paper presents a controller design and optimization framework for nonlinear dynamic systems to track a given reference signal in the presence of disturbances when the task is repeated over a finite-time interval. This novel framework…

Systems and Control · Electrical Eng. & Systems 2023-04-04 Jiapeng Xu , Ying Tan , Xiang Chen

Particle accelerators for high energy physics will generate TeV-scale particle beams in large, multi-Km size machines colliding high brightness beams at the interaction point [1-4]. The high luminosity in such machines is achieved by…

Measuring a qubit state is a fundamental yet error-prone operation in quantum computing. These errors can arise from various sources, such as crosstalk, spontaneous state transitions, and excitations caused by the readout pulse. Here, we…

The creation of intense radioactive beams requires intense and energetic primary beams. A task force analysis of this subject recommended an acceleration system capable of 400 MeV/u uranium at 1 particle uA as an appropriate driver for such…

Nuclear Experiment · Physics 2007-05-23 F. Marti , R. C. York , H. Blosser , M. M. Gordon , D. Gorelov , T. Grimm , D. Johnson , P. Miller , E. Pozdeyev , J. Vincent , X. Wu , A. Zeller

Interest in highly-compressed electron beams has been increasing in recent times, driven by the study of non-linear and even non-perturbative aspects of QED [2]. The FACET-II [7] facility at SLAC is currently (at the time of writing) being…

Accelerator Physics · Physics 2018-11-30 Glen White , Vitaly Yakimenko

We access the possibility of using the conventional RF accelerator as an injector for the plasma driven wakefield accelerator. Conventional accelerators deliver high quality beams with low emittance and low energy spread. Once injected into…

A parameter space procedure for designing chosen parameters of a repetitive controller to satisfy a robust performance criterion is presented. Using this method, low order robust repetitive controllers can be designed and implemented for…

Systems and Control · Computer Science 2014-12-02 Burak Demirel , Levent Guvenc