CERN Accelerating science

CERN Document Server 找到 12 笔记录  1 - 10下一个  跳到记录: 检索需时 0.58 秒. 
1.
Transition between Instability and Seeded Self-Modulation of a Relativistic Particle Bunch in Plasma / AWAKE Collaboration
We use a relativistic ionization front to provide various initial transverse wakefield amplitudes for the self-modulation of a long proton bunch in plasma. We show experimentally that, with sufficient initial amplitude ($\ge(4.1\pm0.4)$ MV/m), the phase of the modulation along the bunch is reproducible from event to event, with 3 to 7% (of 2$\pi$) rms variations all along the bunch. [...]
arXiv:2012.09676.- 2021-04-21 - 6 p. - Published in : Phys. Rev. Lett. 126 (2021) 164802 Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF;
2.
Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch / AWAKE Collaboration
Plasma wakefield dynamics over timescales up to 800 ps, approximately 100 plasma periods, are studied experimentally at the Advanced Wakefield Experiment (AWAKE). The development of the longitudinal wakefield amplitude driven by a self-modulated proton bunch is measured using the external injection of witness electrons that sample the fields. [...]
arXiv:2010.05715.- 2021-01-06 - 13 p. - Published in : Phys. Rev. Accel. Beams 24 (2021) 011301 Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF;
3.
Proton beam defocusing in AWAKE: comparison of simulations and measurements / AWAKE Collaboration
In 2017, AWAKE demonstrated the seeded self-modulation (SSM) of a 400 GeV proton beam from the Super Proton Synchrotron (SPS) at CERN. [...]
arXiv:2008.11392.
- 8 p.
Fulltext
4.
Evolution of a plasma column measured through modulation of a high-energy proton beam / AWAKE Collaboration
Plasma wakefield acceleration is a method for accelerating particle beams using electromagnetic fields that are orders of magnitude larger than those found in conventional radio frequency cavities. [...]
arXiv:2006.09991.
- 22 p.
Fulltext
5.
Experimental Study of Wakefields Driven by a Self-Modulating Proton Bunch in Plasma / AWAKE Collaboration
We study experimentally the longitudinal and transverse wakefields driven by a highly relativistic proton bunch during self-modulation in plasma. We show that the wakefields' growth and amplitude increases with increasing seed amplitude as well as with the proton bunch charge in the plasma. [...]
arXiv:2005.05277.- 2020-08-05 - 8 p. - Published in : Phys. Rev. Accel. Beams 23 (2020) 081302 Fulltext: PDF; Fulltext from Publisher: PDF;
6.
Proton Driven Plasma Wakefield Acceleration in AWAKE / AWAKE Collaboration
In this article, we briefly summarize the experiments performed during the first Run of the Advanced Wakefield Experiment, AWAKE, at CERN (European Organization for Nuclear Research). The final goal of AWAKE Run 1 (2013 - 2018) was to demonstrate that 10-20 MeV electrons can be accelerated to GeV-energies in a plasma wakefield driven by a highly-relativistic self-modulated proton bunch. [...]
arXiv:1901.04171.- 2019-04-25 - 9 p. - Published in : Philos. Trans. R. Soc. Lond. A: 377 (2019) , pp. 20180418
- Published in : Philos. Trans. R. Soc. Lond. A: 378 (2019) , pp. 20190539 Fulltext: PDF;
7.
Experimental observation of proton bunch modulation in a plasma, at varying plasma densities / AWAKE Collaboration
We give direct experimental evidence for the observation of the full transverse self-modulation of a relativistic proton bunch propagating through a dense plasma. The bunch exits the plasma with a density modulation resulting from radial wakefield effects with a period reciprocal to the plasma frequency. [...]
arXiv:1809.04478.- 2019-02-09 - 6 p. - Published in : Phys. Rev. Lett. 122 (2019) 054802 Fulltext: PDF; Fulltext from Publisher: PDF;
8.
Experimental observation of plasma wakefield growth driven by the seeded self-modulation of a proton bunch / AWAKE Collaboration
We measure the effects of transverse wakefields driven by a relativistic proton bunch in plasma with densities of $2.1\times10^{14}$ and $7.7\times10^{14}$ electrons/cm$^3$. We show that these wakefields periodically defocus the proton bunch itself, consistently with the development of the seeded self-modulation process. [...]
arXiv:1809.01191.- 2019-02-09 - 7 p. - Published in : Phys. Rev. Lett. 122 (2019) 054801 Fulltext: PDF; Fulltext from Publisher: PDF;
9.
Acceleration of electrons in the plasma wakefield of a proton bunch / AWAKE Collaboration
High energy particle accelerators have been crucial in providing a deeper understanding of fundamental particles and the forces that govern their interactions. In order to increase the energy or reduce the size of the accelerator, new acceleration schemes need to be developed. [...]
arXiv:1808.09759.- 2018-08-29 - 5 p. - Published in : 10.1038/s41586-018-0485-4 Fulltext: 10.1038_s41586-018-0485-4 - PDF; s41586-018-0485-4_reference - PDF; arXiv:1808.09759 - PDF; External link: Interactions.org article
10.
AWAKE readiness for the study of the seeded self-modulation of a 400\,GeV proton bunch / AWAKE Collaboration
AWAKE is a proton-driven plasma wakefield acceleration experiment. % We show that the experimental setup briefly described here is ready for systematic study of the seeded self-modulation of the 400\,GeV proton bunch in the 10\,m-long rubidium plasma with density adjustable from 1 to 10$\times10^{14}$\,cm$^{-3}$ [...]
arXiv:1708.01087.- 2017-11-29 - 20 p.
- Published in : Comments Plasma Phys. Contr. Fusion: 60 (2018) , pp. 014046 Fulltext: PDF;
In : 44th European Physical Society Conference on Plasma Physics, Belfast, Ireland, 26 - 30 Jun 2017, pp.014046

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