Search Results - "Apsimon, O."
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Commissioning of the electron injector for the AWAKE experiment
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-02-2020)“…The advanced wakefield experiment (AWAKE) at CERN is the first proton beam-driven plasma wakefield acceleration experiment. The main goal of AWAKE RUN 1 was to…”
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High-quality electron beam generation in a proton-driven hollow plasma wakefield accelerator
Published in Physical review. Accelerators and beams (01-10-2017)“…Simulations of proton-driven plasma wakefield accelerators have demonstrated substantially higher accelerating gradients compared to conventional accelerators…”
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A numerical approach to designing a versatile pepper-pot mask for emittance measurement
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-11-2019)“…The pepper-pot method is a popular emittance measurement technique for high intensity beams at low energy such as those generated by photo-injectors. In this…”
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Acceleration of electrons in the plasma wakefield of a proton bunch
Published in Nature (London) (01-09-2018)“…High-energy particle accelerators have been crucial in providing a deeper understanding of fundamental particles and the forces that govern their interactions…”
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Experimental Observation of Proton Bunch Modulation in a Plasma at Varying Plasma Densities
Published in Physical review letters (08-02-2019)“…We give direct experimental evidence for the observation of the full transverse self-modulation of a long, relativistic proton bunch propagating through a…”
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Experimental Observation of Plasma Wakefield Growth Driven by the Seeded Self-Modulation of a Proton Bunch
Published in Physical review letters (08-02-2019)“…We measure the effects of transverse wakefields driven by a relativistic proton bunch in plasma with densities of 2.1×10^{14} and 7.7×10^{14} …”
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Controlled Growth of the Self-Modulation of a Relativistic Proton Bunch in Plasma
Published in Physical review letters (08-07-2022)“…A long, narrow, relativistic charged particle bunch propagating in plasma is subject to the self -modulation (SM) instability. We show that SM of a proton…”
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Hosing of a Long Relativistic Particle Bunch in Plasma
Published in Physical review letters (16-02-2024)“…Experimental results show that hosing of a long particle bunch in plasma can be induced by wakefields driven by a short, misaligned preceding bunch. Hosing…”
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Proton Bunch Self-Modulation in Plasma with Density Gradient
Published in Physical review letters (31-12-2020)“…We study experimentally the effect of linear plasma density gradients on the self-modulation of a 400 GeV proton bunch. Results show that a positive or…”
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Proton-driven plasma wakefield acceleration in AWAKE
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (12-08-2019)“…In this article, we briefly summarize the experiments performed during the first run of the Advanced Wakefield Experiment, AWAKE, at CERN (European…”
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Proton-driven plasma wakefield acceleration in AWAKE
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (12-08-2019)“…In this article, we briefly summarize the experiments performed during the first run of the Advanced Wakefield Experiment, AWAKE, at CERN (European…”
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Experimental study of wakefields driven by a self-modulating proton bunch in plasma
Published in Physical review. Accelerators and beams (01-08-2020)“…We study experimentally the longitudinal and transverse wakefields driven by a highly relativistic proton bunch during self-modulation in plasma. We show that…”
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Simulation and experimental study of proton bunch self-modulation in plasma with linear density gradients
Published in Physical review. Accelerators and beams (01-10-2021)“…We present numerical simulations and experimental results of the self-modulation of a long proton bunch in a plasma with linear density gradients along the…”
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Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch
Published in Physical review. Accelerators and beams (2021)“…Plasma wakefield dynamics over timescales up to 800 ps, approximately 100 plasma periods, are studied experimentally at the Advanced Wakefield Experiment…”
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Modeling betatron radiation using particle-in-cell codes for plasma wakefield accelerator diagnostics
Published 07-03-2023“…The characterization of plasma wakefield acceleration experiments using emitted photons from betatron radiation requires numerical models in support of…”
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Exploring ultra-high-intensity wakefields in carbon nanotube arrays: an effective plasma-density approach
Published 08-03-2023“…Physics of Plasmas 30, 033105 (2023) Charged particle acceleration using solid-state nanostructures has attracted attention in recent years as a method of…”
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Report on the Advanced Linear Collider Study Group (ALEGRO) Workshop 2024
Published 06-08-2024“…The workshop focused on the application of ANAs to particle physics keeping in mind the ultimate goal of a collider at the energy frontier (10\,TeV,…”
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Snowmass Whitepaper AF6: Plasma-Based Particle Sources
Published 15-03-2022“…High-brightness beams generated by particle sources based on advanced accelerator concepts have the potential to become an essential part of future accelerator…”
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