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Related papers: Preliminary Study on the RF tuning of CSNS DTL

200 papers

The MTA beam line has been specifically designed to facilitate measurements of the Fermilab Linac beam emittance and properties utilizing a long, 10m, element-free straight. Linac beam is extracted downstream of the 400-MeV electrostatic…

Accelerator Physics · Physics 2012-09-26 C. Johnstone

The Stanford Linear Collider (SLC) was the first prototype of a new type of accelerator, the electron-positron linear collider. Many years of dedicated effort were required to understand the physics of this new technology and to develop the…

Accelerator Physics · Physics 2007-05-23 Nan Phinney

Tunable lasers are essential and versatile tools in photonics, with applications spanning telecommunications, spectroscopy, and sensing. Advancements have aimed to expand tuning ranges, suppress mode hopping, and enable photonic…

Optics · Physics 2025-06-04 Robbe de Mey , Spencer W. Jolly , Alexandre Locquet , Martin Virte

The SNS linac accelerates an average beam current of 2 mA to an energy of 968 MeV. The linac is pulsed at 60 Hz with an H- beam pulse of 1 ms. The first 185 Mev of the linac uses normal conducting cavities, and the remaining length of the…

Accelerator Physics · Physics 2007-05-23 Michael Lynch , William Reass , Daniel Rees , Amy Regan , Paul Tallerico

Large Language Model (LLM) Red-Teaming, which proactively identifies vulnerabilities of LLMs, is an essential process for ensuring safety. Finding effective and diverse attacks in red-teaming is important, but achieving both is challenging.…

Machine Learning · Computer Science 2026-05-29 Minchan Kwon , Sunghyun Baek , Minseo Kim , Jaemyung Yu , Dongyoon Han , Junmo Kim

We report the results of a recent beam dynamics study, motivated by the need to redesign the LCLS photoinjector, that lead to the discovery of a new effective working point for a split RF photoinjector. We consider the emittance…

The Forward Silicon Tracker (FST) is a pivotal component of the forward upgrade of the Solenoidal Tracker at RHIC (STAR), designed to discern hadron charge signs with a momentum resolution better than 30% for $0.2 < p_T < 2$ GeV/c in the…

Instrumentation and Detectors · Physics 2025-01-16 J. D. Brandenburg , Y. Chang , J. Dong , Y. He , Y. Hu , B. Huang , H. Huang , T. Huang , H. Li , M. Nie , R. Sharma , X. Sun , P. Tribedy , F. Videbæk , G. Visser , G. Wilks , P. Wang , G. Xie , G. Yan , Z. Ye , L. Yi , Y. Yang , S. Zhang , Z. Zhang

Turbofan engine degradation under sustained operational stress necessitates robust prognostic systems capable of accurately estimating the Remaining Useful Life (RUL) of critical components. Existing deep learning approaches frequently fail…

Machine Learning · Computer Science 2026-04-21 Mohammed Ezzaldin Babiker Abdullah

The conjugation of multiple spatial light modulators (SLMs) enables the construction of optical diffractive neural networks (DNNs). To accelerate training, which is limited by the low refresh rate of SLMs, spatial multiplexing of the input…

Optics · Physics 2026-05-20 Guillaume Noetinger , Tim Tuuva , Romain Fleury

Small Language Models (SLMs) enable cost-effective, on-device and latency-sensitive AI applications, yet their deployment in Traditional Chinese (TC) remains hindered by token-level instability - models unpredictably emit non-TC characters…

Computation and Language · Computer Science 2025-10-03 Yu-Cheng Chih , Ming-Tao Duan , Yong-Hao Hou

Concentric Tube Robots (CTRs) have been proposed to operate within the unstructured environment for minimally invasive surgeries. In this letter, we consider the operation scenario where the tubes travel inside the channels with a large…

Robotics · Computer Science 2023-08-22 Zhouyu Zhang , Jia Shen , Junhyoung Ha , Yue Chen

Using first-principles calculations we predict that $\mathrm{TiRhAs}$, a previously synthesized compound, is a Dirac nodal line (DNL) semimetal. The DNL in this compound is found to be protected both by the combination of inversion and…

Mesoscale and Nanoscale Physics · Physics 2018-01-03 Sophie F. Weber , Ru Chen , Qimin Yan , Jeffrey B. Neaton

The upcoming Proton Improvement Plan-II (PIP-II), designated for enhancements to the Fermilab accelerator complex, features a new 800 MeV superconducting linac and a Beam Transfer Line (BTL) to transport the beam to the existing Booster…

Accelerator Physics · Physics 2024-06-03 A. Pathak , O. Napoly , J. -F. Ostiguy

The FLASH L-band (1.3 GHz) superconducting accelerator facility at DESY has a Low Level RF (LLRF) system that is similar to that envisioned for ILC. This system has extensive monitoring capability and was used to gather performance data…

Accelerator Physics · Physics 2009-03-10 Shilun Pei , Chris Adolphsen , John Carwardine

This letter proposes a new spoof surface plasmon transmission line (SSP-TL) using capacitor loading techniques. This new SSP-TL features flexible and reconfigurable dispersion control and highly selective filtering performance without…

Classical Physics · Physics 2017-01-17 Xiaolan Tang , Qingfeng Zhang , Sanming Hu , Abhishek Kandwal , Tongfeng Guo , Yifan Chen

This paper introduces a new technology for a high-speed, high-power mobile form-factor tuner utilizing gas discharge tube plasma cells as switching components. To the best of our knowledge, this represents the first plasma-enabled RF…

Signal Processing · Electrical Eng. & Systems 2021-07-20 Zach Vander Missen , Sergey Macheret , Abbas Semnani , Dimitrios Peroulis

Compact conductively cooled SRF industrial linacs can provide unique parameters of the electron beam for industrial applications. (up to 10MeV, 1MW). For ERDC project we designed normal conducting RF injector with thermal RF gridded gun…

Accelerator Physics · Physics 2024-09-13 N. Solyak , I. Gonin , A. Saini , V. Yakovlev , C. Edwards , J. C. Thangaraj , R. Kostin , C. Jing

Accelerating the inference of a trained DNN is a well studied subject. In this paper we switch the focus to the training of DNNs. The training phase is compute intensive, demands complicated data communication, and contains multiple levels…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-06-09 Yuanfang Li , Ardavan Pedram

The joint expertise of ANL and FNAL has led to the production of Nb3Sn undulator magnets in operation in the ANL Advanced Photon Source (APS). These magnets showed performance reproducibility close to the short sample limit, and a design…

Accelerator Physics · Physics 2025-04-01 Emanuela Barzi , Masaki Takeuchi , Daniele Turrioni , Akihiro Kikuchi

SLAC National Accelerator Laboratory is collaborating with Arizona State University to design a LLRF system towards the advancement of the ASU Compact X-ray Light Source (CXLS). The CXLS is a phased project to develop small brilliant x-ray…

Accelerator Physics · Physics 2019-10-02 A. Young , J. M. D Ewart , J. Frisch , B. Hong , T. Straumann , M. Weaver , C. Xu