Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR3k papers
- European Organization for Nuclear ResearchCH2.9k papers
- Universität HamburgDE2.8k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2.6k papers
- Charles UniversityCZ2.5k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR2.5k papers
- Rutherford Appleton LaboratoryGB2.4k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT2.4k papers
- The Ohio State UniversityUS2.4k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT2.4k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT2.3k papers
- Universidad Autónoma de MadridES2.3k papers
236 papers · 1 filter
Results of R&D Programmes and LP&CW EXFEL Cryomodule Tests in the Period from 2005 to 2023
J. Sekutowicz, D. Proch, J. Eschke +14
In 2005 and 2006, we began to consider the feasibility of long-pulse (LP) and continuous-wave (CW) operation for the E-XFEL. The operation modes considered were assumed to be compl…
Generalization of the Froissart-Stora formula to piecewise-linear spin-orbit resonance crossings
Joseph P. Devlin, Georg H. Hoffstaetter, Desmond P. Barber
Spin-polarized beams are important for some nuclear and high-energy physics experiments, such as those planned for the future Electron-Ion Collider (EIC). However, maintaining pola…
Slice Emittance Preservation and Focus Control in a Passive Plasma Lens
J. Björklund Svensson, J. Beinortaitė, L. Boulton +15
Strong, symmetrically focusing plasma lenses are promising for accommodating the small beams associated with plasma-based accelerators and collider final foci. However, while focus…
Self-Adaptive Stabilization and Quality Boost for Electron Beams from All-Optical Plasma Wakefield Accelerators
D. Campbell, T. Heinemann, A. Dickson +14
Shot-to-shot fluctuations in electron beams from laser wakefield accelerators present a significant challenge for applications. Here, we show that instead of using such fluctuating…
Ion-motion simulations of a plasma-wakefield experiment at FLASHForward
D. Kalvik, P. Drobniak, F. Peña +13
In plasma-based acceleration, an ultra-relativistic particle bunch$\unicode{x2014}$or an intense laser beam$\unicode{x2014}$is used to expel electrons from its propagation path, fo…
Experimental demonstration of a tomographic 5D phase-space reconstruction
S. Jaster-Merz, R. W. Assmann, J. Beinortaitė +17
Detailed knowledge of particle-beam properties is of great importance to understand and push the performance of existing and next-generation particle accelerators. We recently prop…
Homogenized harmonic balance finite element method for nonlinear eddy current simulations of fast corrector magnets
Jan-Magnus Christmann, Laura Anna Maria D'Angelo, Herbert De Gersem +5
This paper develops a homogenized harmonic balance finite element method (HomHBFEM) to predict the dynamic behavior of magnets with fast excitation cycles, including eddy current a…
femto-PIXAR: a neural network method for reconstruction of femtosecond X-ray free electron laser pulse energy
Gesa Goetzke, Rajan Plumley, Gregor Hartmann +6
X-ray Free Electron Lasers (X\nobreakdash-FELs) operate in a wide range of lasing configurations for a broad variety of scientific applications at ultrafast time-scales such as str…
High-level environmental sustainability guidelines for large accelerator facilities
Hannah Wakeling, Philip Burrows, Jim Clarke +5
The proposed construction of new particle accelerator-based facilities in the coming decades -- and upgrades to existing facilities -- provides the unique opportunity to embed inno…
Space Charge and Future Light Sources
S. A. Antipov, V. Gubaidulin, I. Agapov +2
It is a truth universally acknowledged, that space charge effects in ultrarelativistic electron storage rings are irrelevant due to the steep inverse dependence of their strength o…
The ECFA Early-Career Researchers Panel: Report for the year 2023
Julia Allen, Bruno Alves, Jan-Hendrik Arling +67
The European Committee for Future Accelerators (ECFA) Early-Career Researcher (ECR) panel, which represents the interests of the ECR community to ECFA, presents in this document it…
Interpretation of the horizontal beam response near the third integer resonance
E. C. Cortés García, P. Niedermayer, R. Singh +5
The beam response to an external periodic excitation delivers relevant information about the optics, tune distribution and stability of a circulating beam in a storage ring. In thi…
Design of a resonant slow extraction from low emittance electron booster rings using transverse resonance island buckets
E. C. Cortés García, I. Agapov, W. Hillert
In this contribution we present the design of a resonant slow extraction based on the radio frequency knock-out (RF-KO) scheme, where we make use of the transverse resonance island…
Frequency splitting in undulator radiation from solid-state crystalline undulator
A. Shchagin, G. Kube, A. Potylitsyn +1
The set of frequencies and angular properties of radiation emitted from a solid-state crystalline undulator based on the channeling effect are considered. High-frequency and low-fr…
Emittance preservation in a plasma-wakefield accelerator
C. A. Lindstrøm, J. Beinortaitė, J. Björklund Svensson +15
Radio-frequency particle accelerators are engines of discovery, powering high-energy physics and photon science, but are also large and expensive due to their limited accelerating…
Mitigation of the Microbunching Instability Through Transverse Landau Damping
A. D. Brynes, G. Perosa, C. -Y. Tsai +14
The microbunching instability has been a long-standing issue for high-brightness free-electron lasers (FELs), and is a significant show-stopper to achieving full longitudinal coher…
Resonant emittance mixing of flat beams in plasma accelerators
Severin Diederichs, Carlo Benedetti, Angel Ferran Pousa +4
Linear colliders rely on high-quality flat beams to achieve the desired event rate, while avoiding potentially deleterious beamstrahlung effects. Here, we show that flat beams in p…
Longitudinal phase space diagnostics with a nonmovable corrugated passive wakefield streaker
Philipp Dijkstal, Weilun Qin, Sergey Tomin
Time-resolved diagnostics at Free-Electron Laser (FEL) facilities, in particular electron beam longitudinal phase space (LPS) and FEL power profile measurements, provide informatio…
Experimental Demonstration of Attosecond Pump-Probe Spectroscopy with an X-ray Free-Electron Laser
Zhaoheng Guo, Taran Driver, Sandra Beauvarlet +47
Pump-probe experiments with sub-femtosecond resolution are the key to understanding electronic dynamics in quantum systems. Here we demonstrate the generation and control of sub-fe…
Cheetah: Bridging the Gap Between Machine Learning and Particle Accelerator Physics with High-Speed, Differentiable Simulations
Jan Kaiser, Chenran Xu, Annika Eichler +1
Machine learning has emerged as a powerful solution to the modern challenges in accelerator physics. However, the limited availability of beam time, the computational cost of simul…
Bayesian Optimization Algorithms for Accelerator Physics
Ryan Roussel, Auralee L. Edelen, Tobias Boltz +23
Accelerator physics relies on numerical algorithms to solve optimization problems in online accelerator control and tasks such as experimental design and model calibration in simul…
Optimization of the Resolution of a Streaking Setup
F. Mayet, K. Floettmann
In low regimes the inevitable induced energy spread in combination with longitudinal dispersion during the drift through a transverse deflecting structure (TDS) can alter the p…
Energy Depletion and Re-Acceleration of Driver Electrons in a Plasma-Wakefield Accelerator
F. Peña, C. A. Lindstrøm, J. Beinortaitė +13
For plasma-wakefield accelerators to fulfil their potential for cost effectiveness, it is essential that their energy-transfer efficiency be maximized. A key aspect of this efficie…
Coupled bunch stability with variable filling patterns in PETRA IV
Sergey Antipov, Chao Li
The PETRA IV upgrade project is aiming at building a 6 GeV diffraction-limited light source. The storage ring`s off-axis accumulation injection scheme will allow generating a wide…