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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…

Human detection is a popular issue and has been widely used in many applications. However, including complexities in computation, leading to the human detection system implemented hardly in real-time applications. This paper presents the…

Hardware Architecture · Computer Science 2022-05-06 Van-Cam Nguyen , Hong-Tuan-Dinh Le , Huu-Thuan Huynh

The Electron-Ion Collider is under construction at BNL. It will have high-energy high-intensity polarized beams of electrons and hadrons. These beams will allow a high accuracy investigation of nucleon structure in the low- to very-low-x…

Nuclear Experiment · Physics 2024-06-18 B. Wojtsekhowski

Shanghai Synchrotron Radiation Facility (SSRF), is one of the third-generation high-beam current (3.5 GeV) synchrotron light sources. In the storage ring of SSRF, multi-bunch instabilities would increase beam emittance and energy spread,…

Instrumentation and Detectors · Physics 2019-07-25 Jinxin Liu , Lei Zhao , Linsong Zhan , Shubin Liu , Qi An

Higgs mode in superconductors, i.e. the collective amplitude mode of the order parameter does not associate with charge nor spin fluctuations, therefore it does not couple to the electromagnetic field in the linear response regime. On the…

Superconductivity · Physics 2019-07-02 Sachiko Nakamura , Yudai Iida , Yuta Murotani , Ryusuke Matsunaga , Hirotaka Terai , Ryo Shimano

The Hong--Ou--Mandel (HOM) effect is often introduced through a single benchmark: coincidence suppression for \(\ket{1}\otimes\ket{1}\) at a balanced beam splitter. We present a classroom-oriented instructional module that broadens this…

Physics Education · Physics 2026-05-28 Melissa Coronado Arrieta , Boris Kiefer

Femtosecond electron beams with complex modulation play a crucial role in applications such as X-ray Free Electron Lasers (XFELs) and plasma wakefield accelerators. However, diagnostics for the electron beam current profile still face…

Accelerator Physics · Physics 2026-05-08 Zixiao Guo , Ke Feng , Zhiheng Lou , Guiyao Wang , Wentao Wang , Ruxin Li

The maximum achievable beam current in an Energy Recovery Linac (ERL) is often constrained by Beam Breakup (BBU) instability. Our previous research highlighted that filling patterns have a substantial impact on BBU instabilities in…

Accelerator Physics · Physics 2024-09-05 Sadiq Setiniyaz , R. Apsimon , P. H. Williams , C. Barbagallo , S. A. Bogacz , R. M. Bodenstei , K. Deitrick

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 explore the suitability of a Virtually-Imaged Phased Array (VIPA) as a Spectral-to-Spatial Mode-Mapper (SSMM) for applications in quantum communication such as a quantum repeater. To this end we demonstrate spectrally-resolved two-photon…

A new Higher Order Mode (HOM) damper was designed and tested for the Booster accelerator cavity at Fermilab. In anticipation of the PIP-II upgrade, it was discovered that the higher beam intensity of PIP-II may cause beam instability due to…

Accelerator Physics · Physics 2025-09-19 Dustin Pieper , Brian Vaughn , Robyn Madrak

Beam diagnostics is important to guarantee good quality of beam in particle accelerator. Both the electron and positron run in the tunnel in some modern electron positron colliders such as Circular Electron Positron Collider (CEPC) to be…

Accelerator Physics · Physics 2019-09-04 Liujiang Yan , Lei Zhao , Jinxin Liu , Ruoshi Dong , Zouyi Jiang , Shubin Liu , Qi An

On the basis of a tight-binding model for a strongly disordered semiconductor with correlated conduction- and valence band disorder a new coherent dynamical intra-band effect is analyzed. For systems that are excited by two, specially…

Disordered Systems and Neural Networks · Physics 2009-11-07 C. Schlichenmaier , I. Varga , T. Meier , P. Thomas , S. W. Koch

Hong-Ou-Mandel (HOM) interference, the bunching of two indistinguishable photons on a balanced beam-splitter, has emerged as a promising tool for quantum sensing. There is a need for wide spectral-bandwidth photon pairs (for high-resolution…

A recently introduced tuning-dressed scheme makes a Bell and Bloom magnetometer suited to detect weak variations of a radio-frequency (RF) magnetic field. We envisage the application of such innovative detection scheme as an alternative (or…

Instrumentation and Detectors · Physics 2021-11-03 Giuseppe Bevilacqua , Valerio Biancalana , Yordanka Dancheva , Alessandro Fregosi , Gaetano Napoli , Antonio Vigilante

Superradiance, the enhanced collective emission of light from a coherent ensemble of quantum systems, has been typically studied in atomic ensembles. In this work we study the enhanced emission of energy from coherent ensembles of harmonic…

Quantum Physics · Physics 2011-07-27 Michael Delanty , Stojan Rebic , Jason Twamley

We present an innovative charge detector with high resolution and wide dynamic range designed to fulfill the requirements of a monitoring system for a high energy ion beam. The detector prototype, constructed using Si photodiodes and a…

In this paper, we develop a deep learning (DL)-guided hybrid beam and power allocation approach for multiuser millimeter-wave (mmWave) networks, which facilitates swift beamforming at the base station (BS). The following persisting…

Signal Processing · Electrical Eng. & Systems 2023-05-24 Yuwen Cao , Tomoaki Ohtsuki , Setareh Maghsudi , Tony Q. S. Quek

Fermilab is planning the construction of a prototype front end of the Project X linac. The Project X Injector Experiment (PXIE) is expected to accelerate 1 mA cw H- beam up to 30 MeV. Some of the major goals of the project are to test a cw…

Accelerator Physics · Physics 2013-01-30 V. A. Lebedev , A. V. Shemyakin , J. Steimel , M. Wendt , B. M. Hanna , L. R. Prost , V. E. Scarpine