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Gas stopping is becoming the method of choice for converting beams of rare isotopes obtained via projectile fragmentation and in-flight separation into low-energy beams. These beams allow ISOL-type experiments, such as mass measurements…

Instrumentation and Detectors · Physics 2009-11-13 C. Guenaut , G. Bollen , S. Chouhan , F. Marti , D. J. Morrissey , D. Lawton , J. Ottarson , G. K. Pang , S. Schwarz , B. M. Sherrill , M. Wada , A. F. Zeller

We generate a tabletop pulsed relativistic electron beam at 100 Hz repetition rate from vacuum laser acceleration (VLA) by tightly focusing a radially polarized beam into a low-density gas. We demonstrate that strong longitudinal electric…

A 64-channel mixed-mode ASIC, suitable for particle detectors of large dynamic range and high capacitance up to hundreds of pF, is presented here. Each channel features an analogue front-end for signal amplification and filtering, and a…

Instrumentation and Detectors · Physics 2019-09-04 W. Cheng , F. Cossio , M. Da Rocha Rolo , A. Rivetti , Z. Wang

This paper presents an approach to mutual collision avoidance based on Nonlinear Model Predictive Control (NMPC) with time-dependent Reciprocal Velocity Constraints (RVCs). Unlike most existing methods, the proposed approach relies solely…

Robotics · Computer Science 2025-12-10 Vit Kratky , Robert Penicka , Parakh M. Gupta , Ondrej Prochazka , Martin Saska

In situ generation of a high-energy, high-current, spin-polarized electron beam is an outstanding scientific challenge to the development of plasma-based accelerators for high-energy colliders. In this Letter we show how such a…

The present state of progress in laser wakefield acceleration encourages considering it as a practical alternative to conventional particle accelerators. A promising application would be to use a laser-plasma accelerator as an injector for…

The Compact Linear Collider (CLIC) is a TeV-scale high-luminosity linear e$^+$e$^-$ collider under development by international collaborations hosted by CERN. This document provides an overview of the design, technology, and implementation…

Accelerator Physics · Physics 2018-12-20 A. Robson , P. N. Burrows , N. Catalan Lasheras , L. Linssen , M. Petric , D. Schulte , E. Sicking , S. Stapnes , W. Wuensch

Modern electron linear accelerators are often designed to produce smooth bunch distributions characterized by their macroscopic ensemble-average moments. However, an increasing number of accelerator applications call for finer control over…

Accelerator Physics · Physics 2022-06-15 G. Ha , K. -J. Kim , P. Piot , J. G. Power , Y. Sun

The interaction of an ultra-intense laser pulse with a near critical density target results in the formation of a plasma channel, a strong azimuthal magnetic field and moving vortices. An application of this is the generation of energetic…

Stark deceleration allows for precise control over the velocity of a pulsed molecular beam and, by the nature of its limited phase-space acceptance, reduces the energy width of the decelerated packet. We describe an alternate method of…

Atomic Physics · Physics 2015-05-13 L. P. Parazzoli , N. Fitch , D. S. Lobser , H. J. Lewandowski

LINAC 4 is a normal conducting H- structure proposed to intensify the proton flux currently available for the CERN accelerator chain. This linac is designed to accelerate a 65 mA beam up to 160 MeV to be injected into the CERN Proton…

Accelerator Physics · Physics 2014-11-18 M. Baylac , J. M. De Conto , E. Froidefond , E. Sargsyan

The main `bottleneck' limiting the beam power in circular machines is caused by space charge effects that produce beam instabilities. To increase maximally the beam power of a `proton driver', it is proposed to build a facility consisting…

Accelerator Physics · Physics 2018-06-28 Radoje Belusevic

To maximize the physics potential of future neutrino oscillation experiments, it is proposed to build a 15-MW `proton driver' consisitng solely of a 3-GeV proton injector linac (PI) and a 17-GeV superconducting ILC-type linac (SCL). The…

Accelerator Physics · Physics 2019-03-25 Radoje Belusevic

Plasma wakefield acceleration in the blowout regime is particularly promising for high-energy acceleration of electron beams because of its potential to simultaneously provide large acceleration gradients and high energy transfer efficiency…

Plasma Physics · Physics 2021-11-09 Shiyu Zhou , Jianfei Hua , Wei Lu , Weiming An , Warren B. Mori , Chan Joshi

Low-energy heavy-ion beams are fundamentally limited by severe space-charge divergence, which constrains the transportable beam current to a few microamperes in conventional electrostatic accelerators. This limitation is particularly…

Plasma Physics · Physics 2026-01-07 M. Nishiura , T. Ido , M. Okamura , K. Ueda , A. Shimizu , H. Takubo

High intensity laser driven proton beams are at present receiving much attention. The reasons for this are many but high on the list is the potential to produce compact accelerators. However two of the limitations of this technology is that…

The production of high-yield, longitudinally polarized positron beams represents an outstanding challenge in advanced accelerator science. Laser-driven schemes offer a compact alternative but typically yield only transverse polarization, or…

Accelerator Physics · Physics 2025-10-01 Rui-Qi Qin , Peng-Pei Xie , Yan-Fei Li , Xian-Zhang Wu , Zheng-Yang Zuo , Bing-Jun Li , Jun Liu , Liang-Liang Ji , Yu-Tong Li

The article considers an opportunity of pulsed acceleration of the proton beam in a spiral wave guide. The radial focus of the proton beam in the accelerator is carried out by means of the magnetic field of ten Tesla, generated by a…

Accelerator Physics · Physics 2017-03-28 S. N. Dolya , I. Sarhadov

A recent study [1] has introduced an advanced method aimed at extracting from a circular particle accelerator over millions of turns using stable islands and a bent crystal. This technique leverages the strength of non-linear beam dynamics…

Fermilab has been working with the international particle physics and nuclear physics communities to explore and develop research programs possible with a new high intensity proton source known as "Project-X". Project X will provide…

High Energy Physics - Experiment · Physics 2011-09-19 R. Tschirhart