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China Spallation Neutron Source (CSNS) is a high intensity beam facility being built now in China. Three kicker assemblies, eight pulsed magnets, will be used in the CSNS rapid circle synchrotron (RCS). The physical and structural designs…

Accelerator Physics · Physics 2013-12-13 Wang Lei , Kang Wen , Hao Yao-Dou , Chen Yuan , Huo Li-Hua

Recent experiments at SLAC [1,2] and CERN [3] have revealed evidence of significant deformation in the form of "pitting" of the cells of the 1.8m series of structures DDS/RDDS (Damped Detuned Structure/Rounded Damped Detuned Structure).…

Accelerator Physics · Physics 2008-11-26 R. M. Jones , N. M. Kroll , T. Higo , Z. Li , R. H. Miller , T. O. Raubenheimer , J. W. Wang

As semiconductor power density is no longer constant with the technology process scaling down, modern CPUs are integrating capable data accelerators on chip, aiming to improve performance and efficiency for a wide range of applications and…

Hardware Architecture · Computer Science 2024-01-31 Reese Kuper , Ipoom Jeong , Yifan Yuan , Jiayu Hu , Ren Wang , Narayan Ranganathan , Nam Sung Kim

We have recently demonstrated a very favorable, inexpensive modernization of lab-based x-ray absorption fine structure (XAFS) and high-resolution x-ray emission spectroscopy (XES) using only commercially-available optics and x-ray tube…

Instrumentation and Detectors · Physics 2016-06-22 Gerald T. Seidler , Devon R. Mortensen , Alexander S. Ditter , Neil A. Ball , Adam J. Remesnik

The European Spallation Source (ESS), presently well on its way to completion, will soon provide the most intense neutron beams for multi-disciplinary science. Fortuitously, it will also generate the largest pulsed neutrino flux suitable…

The MEG experiment at the Paul Scherrer Institut searches for the charged-Lepton-Flavor-Violating mu+ -> e+ gamma decay. MEG has already set the world best upper limit on the branching ratio: BR<4.2x10^-13 @ 90% C.l. An upgrade (MEG II) of…

Integrable optics is an innovation in particle accelerator design that provides strong nonlinear focusing while avoiding parametric resonances. One promising application of integrable optics is to overcome the traditional limits on…

Accelerator Physics · Physics 2017-03-20 Jeffrey Eldred , Alexander Valishev

A possible application of the HTS (ReBCO) rapid-cycling dipole magnet [1] in the first stages of muon acceleration consisting of Recirculating Linear Accelerator (RLA) and followed-up first Rapid Cycling Synchrotron (RCS-1) is presented.…

Accelerator Physics · Physics 2025-09-19 Henryk Piekarz

The High Luminosity Large Hadron Collider (HL-LHC) at CERN is expected to collide protons at a center-of-mass energy of 14 TeV and to reach the unprecedented peak instantaneous luminosity of $7.5 \times 10^{34} \text{cm}^{-2} \text{s}^{-1}$…

Instrumentation and Detectors · Physics 2023-01-26 Sascha Liechti

The high-luminosity requirement in future lepton colliders imposes a need for a high-intensity positron source. In the conventional scheme, positron beams are obtained by the conversion of bremsstrahlung photons into electron-positron pairs…

The goal for future neutrino facilities is the determination of the $[U_{e3}]$ mixing and CP violation in neutrino oscillations. This will require precision experiments with a very intense neutrino source. With this objective the creation…

High Energy Physics - Phenomenology · Physics 2007-05-23 José Bernabéu , Catalina Espinoza

Beam stoppers are installed in the transfer lines of the CERN accelerator complex; these components are used as part of the access safety system, which guarantees the safety of workers in the accelerators. They are designed to stop one or…

High Energy Physics - Experiment · Physics 2024-08-05 D. Baillard , E. Grenier-Boley , M. Dole , F. Deslande , R. Froeschl , T. Lorenzon , P. Moyret , R. Peron , A. Pilan Zanoni , C. Sharp , M. Timmins , M. Calviani

The IceCube Upgrade, planned for deployment in the 2022/2023 South Pole Summer, will involve deployment of a greater density of optical modules (vertically spaced ~3 m). Improvements in the calibration of optical sensors and an enhanced…

High Energy Astrophysical Phenomena · Physics 2019-08-30 Aya Ishihara , Ayumi Kiriki

The emergence of multi-petawatt laser facilities is expected to push forward the maximum energy gain that can be achieved in a single stage of a LWFA to tens of GeV, which begs the question - is it likely to impact particle physics by…

Accelerator Physics · Physics 2023-11-27 Shuang Liu , Fei Li , Shiyu Zhou , Jianfei Hua , Warren B. Mori , Chan Joshi , Wei Lu

The widespread use of high energy particle beams in basic research, medicine and coherent X-ray generation coupled with the large size of modern radio frequency (RF) accelerator devices and facilities has motivated a strong need for…

An upgrade of the Jefferson Lab IR FEL is now under construction. It will provide 10 kW output light power in a wavelength range of 2-10 microns. The FEL will be driven by a modest-sized 80-210 MeV, 10 mA energy-recovering superconducting…

Accelerator Physics · Physics 2014-11-18 D. Douglas , S. V. Benson , G. A. Krafft , R. Li , L. Merminga , B. C. Yunn

The IceCube Collaboration foresees to upgrade IceTop, the present surface array, with scintillator detectors augmented by radio antennas. As one of several goals the scintillator detectors will be used to measure and mitigate the effects of…

High Energy Astrophysical Phenomena · Physics 2019-08-28 Matt Kauer , Thomas Huber , Delia Tosi , Chris Wendt

The increasing complexity of deep neural networks (DNNs) poses significant challenges for edge inference deployment due to resource and power constraints of edge devices. Recent works on unary-based matrix multiplication hardware aim to…

Hardware Architecture · Computer Science 2024-12-30 Prabhu Vellaisamy , Harideep Nair , Thomas Kang , Yichen Ni , Haoyang Fan , Bin Qi , Jeff Chen , Shawn Blanton , John Paul Shen

There are recent considerations to increase the photomultiplier density in the IceCube detector array beyond that of DeepCore, which will lead to a lower detection threshold and a huge fiducial mass for the neutrino detection. This…

High Energy Physics - Phenomenology · Physics 2015-05-30 Jian Tang , Walter Winter

Since its commissioning in 1977, the U-120M cyclotron has been equipped with one pair of harmonic coils dedicated to establishing optimal beam quality at low accelerating radii. In 2022, the cyclotron was upgraded and a second pair of…

Accelerator Physics · Physics 2024-01-17 Tomáš Matlocha , Jan Štursa , Radek Běhal , Václav Zach , Milan Čihák
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