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Analog mixed-signal (AMS) devices promise faster, more energy-efficient deep neural network (DNN) inference than their digital counterparts. However, recent studies show that DNNs on AMS devices with fixed-point numbers can incur an…

The upgrades of the CMS and ATLAS experiments for the high luminosity phase of the Large Hadron Collider will employ precision timing detectors based on Low Gain Avalanche Detectors (LGADs). We present a suite of results combining…

SuperKEKB is an asymmetric electron-positron circular collider based on nano-beam scheme at interaction region and large beam current. Large beam current makes growth rates of longitudinal coupled-bunch instabilities (LCBI) large.…

Accelerator Physics · Physics 2018-03-30 Kouki Hirosawa , Kazunori Akai , Eizi Ezura , Tetsuya Kobayashi , Kota Nakanishi , Shin-ichi Yoshimoto

The ATLAS Fast TracKer (FTK) was designed to provide full tracking for the ATLAS high-level trigger by using pattern recognition based on Associative Memory (AM) chips and fitting in high-speed field programmable gate arrays. The tracks…

Instrumentation and Detectors · Physics 2021-07-07 ATLAS Collaboration

We have commissioned the digital Low Level RF (LLRF) system for storage ring RF at Advanced Light Source at Lawrence Berkeley National Lab (LBNL). The system is composed of 42 synchronous sampling channels for feedback control, diagnostics,…

A channel with continuous phase modulation and 1-bit ADC with oversampling is considered. Due to oversampling, higher-order modulations yield a higher achievable rate and this work presents a method to approach this with sophisticated…

Information Theory · Computer Science 2019-12-06 Rodrigo R. M. de Alencar , Lukas T. N. Landau , Rodrigo C. de Lamare

In preparation for operation of multiple Rare Isotope Beams (RIBs) when the Advanced Rare Isotope Laboratory (ARIEL) becomes operational, TRIUMF embarked on a program of advanced beam tuning applications and machine learning tools. The…

Accelerator Physics · Physics 2025-07-16 O. Hassan , O. Shelbaya , W. Fedorko , T. Planche , O. Kester

Qualification of high-performance metal components produced by laser powder bed fusion (LPBF) must identify process-induced porous defects that reduce ductility and nucleate fatigue cracking. Detecting such defects via optical monitoring of…

Optics · Physics 2024-11-22 Ryan W. Penny , Zachery Kutschke , A. John Hart

The High Intensity heavy ion Accelerator Facility (HIAF) successfully accelerated the 18O6+ beam on October 27, 2025. This paper presents a further simulation study on the high-precision optics, namely sliced optics, of the Booster Ring…

Accelerator Physics · Physics 2025-11-11 Ke Wang , Li-Na Sheng , Tao Li , Geng Wang , Wei-Ping Chai , You-Jin Yuan , Jian-Cheng Yang , Guo-Dong Shen , Liang Lu

Peking University is developing a 1.3 GHz superconducting accelerating section for China Academy of Engineering Physics (CAEP) high power THz free-electron laser. A compact fast/slow tuner has developed by Institute of High Energy Physics…

With electron beam durations down to femtoseconds and sub-femtoseconds achievable in current state-of-the-art accelerators, longitudinal bunch length diagnostics with resolution at the attosecond level are required. In this paper, we…

We present the implementation and verification of an in-pixel automatic threshold calibration circuit for the CMS Endcap Timing Layer (ETL) in the High-Luminosity LHC upgrade. The discriminator threshold of the ETL readout chip (ETROC)…

Instrumentation and Detectors · Physics 2021-10-04 H. Sun , D. Gong , C. Edwards , G. Huang , X. Huang , C. Liu , T. Liu , T. Liu , J. Olsen , Q. Sun , J. Wu , J. Ye , L. Zhang , W. Zhang

The challenging demands of the ATLAS High Luminosity (HL-LHC) Upgrade aim for a complete swap of new generation sensors that should cope with the ultimate radiation hardness. FBK has been one of the prime foundries to develop and fabricate…

Instrumentation and Detectors · Physics 2022-09-29 D M S Sultan , Md Arif Abdulla Samy , J. X. Ye , M. Boscardin , F. Ficorella , S. Ronchin , G. -F. Dalla Betta

Higher order mode (HOM) beam position monitors (BPM) are being developed for the 3.9 GHz third harmonic superconducting accelerating cavities at FLASH. The transverse beam position in a cavity can be determined utilizing beam-excited HOMs…

Accelerator Physics · Physics 2013-05-23 P. Zhang , N. Baboi , T. Flisgen , U. van Rienen , R. M. Jones , I. R. R. Shinton

The SLAC mega-electron-volt (MeV) ultrafast electron diffraction (UED) instrument is a powerful "electron camera" for the study of time-resolved, ultrafast atomic & molecular dynamics in chemical and solid-state systems. The UED laser…

Accelerator Physics · Physics 2019-10-30 L. Ma , X. Shen , K. Kim , D. Brown , M. D'Ewart , B. Hong , J. Olsen , S. Smith , D. Van Winkle , E. Williams , S. Weathersby , X. Wang , A. Young , J. Frisch

Electroencephalographic signals are represented as multidimensional datasets. We introduce an enhancement to the augmented covariance method (ACM), exploiting more thoroughly its mathematical properties, in order to improve motor imagery…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Igor Carrara , Theodore Papadopoulo

The compute-and-forward (CAF) scheme has attracted great interests due to its high band-width efficiency on two-way relay channels. In the CAF scheme, a relay attempts to decode a linear combination of transmitted messages from other…

Information Theory · Computer Science 2019-01-17 Satoshi Takabe , Tadashi Wadayama , Masahito Hayashi

Laser power instability, encompassing random jitter and slow drift, severely limits the performance of optically pumped magnetometers (OPMs) in detecting ultra-weak magnetic fields, especially in large-scale OPM arrays for…

Systems and Control · Electrical Eng. & Systems 2025-06-11 Yanpei Shi , Jingxuan Zhang , Zhuo Shi , Chenyao Zhang , Yuze Guo , Rui Feng

This paper presents a deep unfolding-supported coordinated multipoint beam pattern synthesis (DUCoMP-BPS) scheme to overcome the high complexity, poor adaptability, and limited scalability of traditional cell-free anti-jamming beamforming.…

Signal Processing · Electrical Eng. & Systems 2026-04-28 Zilong Wang , Cheng Zhang , Zhilei Zhang , Yaxuan Hu , Wen Wang , Yongming Huang

KEKB completed all of the technical milestones, and had offered important insights into the flavor structure of elementary particles, especially the CP violation. The accelerator control system at KEKB and injector linac was initiated by a…

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