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The development of Ultra-High Frequency (UHF) linear accelerators via Metal Additive Manufacturing (MAM) is a strategic research focus of the RACERS team at GSI. The 704.4 MHz Crossbar H-mode (CH) cavity, proposed in 2021 to facilitate…

Accelerator Physics · Physics 2026-04-21 Chuan Zhang , Eduard Boos , Roland Boehm , Ramy Cherif , Alexander Japs , Stefan Wunderlich

During the initial phase of operation, the linacs of the Next Linear Collider (NLC) will contain roughly 5000 X-Band accelerator structures that will accelerate beams of electrons and positrons to 250 GeV. These structures will nominally…

Accelerator Physics · Physics 2007-05-23 C. Adolphsen , W. Baumgartner , K. Jobe , R. Loewen , D. McCormick , M. Ross , T. Smith , J. W. Wang , T. Higo

The increase in open-source availability of Large Language Models (LLMs) has enabled users to deploy them on more and more resource-constrained edge devices to reduce reliance on network connections and provide more privacy. However, the…

Hardware Architecture · Computer Science 2024-08-02 Jude Haris , Rappy Saha , Wenhao Hu , José Cano

An innovative millimeter-wave (mm-wave) microstrip edge-fed antenna (EFA) for 77 GHz automotive radars is proposed. The radiator contour is modeled with a sinusoidal spline-shaped (SS) profile characterized by a reduced number of…

Signal Processing · Electrical Eng. & Systems 2024-05-07 Marco Salucci , Lorenzo Poli , Paolo Rocca , Claudio Massagrande , Pietro Rosatti , Mohammad Abdul Hannan , Mirko Facchinelli , Andrea Massa

The far-field channel model has historically been used in wireless communications due to the simplicity of mathematical modeling and convenience for algorithm design. With the need for high data rates, low latency, and ubiquitous…

Information Theory · Computer Science 2023-12-15 Hui Chen , Musa Furkan Keskin , Adham Sakhnini , Nicoló Decarli , Sofie Pollin , Davide Dardari , Henk Wymeersch

The development of high gradient accelerating structures is one of the leading activities of the accelerator community. In the technological research of new construction methods for these devices, high-power testing is a critical step for…

Accelerator Physics · Physics 2022-07-11 V. A. Dolgashev , L. Faillace , M. Migliorati , B. Spataro

The design of divertor targets and baffles for optimal heat and particle exhaust from magnetically confined fusion plasmas requires a combination of fast, low-fidelity models (such as EMC3-lite [1]) for scoping studies and high-fidelity…

Computational Physics · Physics 2025-02-14 H. Frerichs , D. Boeyaert , Y. Feng , K. A. Garcia

RF superconductivity has become a major subfield of accelerator science. There has been an explosion in the number of accelerator applications and in the number of laboratories engaged. The first lecture at this meeting of the CAS presented…

Accelerator Physics · Physics 2015-01-29 H Padamsee

A novel conception of "sensitive mode" (SM) is proposed to apply in gravitational-wave advanced interferometer configuration. The SM is resonant oscillation of electromagnetic field in "white-light cavity", where the resonance line is…

Instrumentation and Detectors · Physics 2009-11-07 G. G. Karapetyan

The continue wave (CW) high current proton linac has wide applications as the front end of the high power proton machines. The low energy part is the most difficult one and there is no widely accepted solution yet. Based on the analysis of…

Accelerator Physics · Physics 2015-07-14 Zhihui Li

A method for the optimisation and advanced studies of a laser-plasma electron injector is presented, based on a truncated ionisation injection scheme for high quality beam production. The SMILEI code is used with laser envelope…

Magnetic fields are widely recognised as critical at many scales to galactic dynamics and structure, including multiphase pressure balance, dust processing, and star formation. Using imposed magnetic fields cannot reliably model the…

Astrophysics of Galaxies · Physics 2024-01-17 Frederick A. Gent , Mordecai-Mark Mac Low , Maarit J. Korpi-Lagg

A novel uniform circular array (UCA) based near-field (NF) integrated sensing and communication (ISAC) framework is proposed, where the Cylindrical coordinate is invoked to evaluate the joint positioning performance. The joint squared…

Signal Processing · Electrical Eng. & Systems 2025-06-03 Na Xue , Xidong Mu , Yue Chen , Yuanwei Liu

Laser powered dielectric structures achieve high-gradient particle acceleration by taking advantage of modern laser technology capable of producing electric fields in excess of 10GV/m. These fields can drive the bulk dielectric beyond its…

Conventional magnetic transverse focusing in conventional linear accelerators represents a high fraction of their cost and complexity. Both transverse and longitudinal focusing can be obtained from the radio frequency field by using the…

Accelerator Physics · Physics 2014-04-22 R. A. Jameson

Collinear high-gradient ${\cal O} (GV/m)$ beam-driven wakefield methods for charged-particle acceleration could be critical to the realization of compact, cost-efficient, accelerators, e.g., in support of TeV-scale lepton colliders or…

Accelerator Physics · Physics 2015-09-30 Francois Lemery , Philippe Piot

In order to study the dynamic response of the material and the physical mechanism of the fluid dynamics, an accelerator scenario which can be applied to hard X-ray free electron laser and high energy electron radiography was proposed. This…

Radio frequency particle accelerators are ubiquitous in ultra-small and ultrafast science, but their size and cost has prompted exploration of compact and scalable alternatives like the dielectric laser accelerator. We present the first…

Accelerator Physics · Physics 2014-12-19 Kenneth J. Leedle , R. Fabian Pease , Robert L. Byer , James S. Harris

As a joint effort in the JLC/NLC research program, we have developed a new type of damped detuned accelerator structure with optimized round-shaped cavities (RDDS). This paper discusses some important R&D aspects of the first structure in…

Structure wakefield acceleration (SWFA) is one of the most promising AAC schemes in several recent strategic reports, including DOE's 2016 AAC Roadmap, report on the Advanced and Novel Accelerators for High Energy Physics Roadmap (ANAR),…

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