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Title: 9 GeV energy gain in a beam-driven plasma wakefield accelerator

Journal Article · · Plasma Physics and Controlled Fusion
 [1];  [2];  [1];  [3];  [1];  [4];  [3];  [1];  [1];  [1];  [1];  [3];  [5];  [3];  [3];  [1];  [3];  [1]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Univ. of Oslo (Norway)
  3. Univ. of California, Los Angeles, CA (United States)
  4. Univ. of Paris-Saclay, Palaiseau (France)
  5. Tsinghua Univ., Beijing (China)

An electron beam has gained a maximum energy of 9 GeV per particle in a 1.3 m-long electron beam-driven plasma wakefield accelerator. The amount of charge accelerated in the spectral peak was 28.3 pC, and the root-mean-square energy spread was 5.0%. The mean accelerated charge and energy gain per particle of the 215 shot data set was 115 pC and 5.3 GeV, respectively, corresponding to an acceleration gradient of 4.0 GeV m-1 at the spectral peak. Moreover, the mean energy spread of the data set was 5.1%. Our results are consistent with the extrapolation of the previously reported energy gain results using a shorter, 36 cm-long plasma source to within 10%, evincing a non-evolving wake structure that can propagate distances of over a meter in length. Wake-loading effects were evident in the data through strong dependencies observed between various spectral properties and the amount of accelerated charge.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-76SF00515; DE-SC0010064
OSTI ID:
1249057
Journal Information:
Plasma Physics and Controlled Fusion, Vol. 58, Issue 3; ISSN 0741-3335
Publisher:
IOP ScienceCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 28 works
Citation information provided by
Web of Science

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Cited By (11)

Plasma wakefield acceleration experiments at FACET II journal January 2018
Plasma-based accelerators: then and now journal August 2019
Generation of wakefields and electromagnetic solitons in relativistic degenerate plasmas journal December 2019
Betatron radiation and emittance growth in plasma wakefield accelerators
  • San Miguel Claveria, P.; Adli, E.; Amorim, L. D.
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 377, Issue 2151 https://doi.org/10.1098/rsta.2018.0173
journal June 2019
Beam emittance preservation using Gaussian density ramps in a beam-driven plasma wakefield accelerator
  • Litos, M. D.; Ariniello, R.; Doss, C. E.
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 377, Issue 2151 https://doi.org/10.1098/rsta.2018.0181
journal June 2019
Optimizing density down-ramp injection for beam-driven plasma wakefield accelerators journal September 2017
Transverse beam dynamics in a plasma density ramp journal April 2019
Shaping trailing beams for beam loading via beam-induced-ionization injection at FACET journal November 2019
Experimental Observation of Proton Bunch Modulation in a Plasma at Varying Plasma Densities journal February 2019
Optimizing density down-ramp injection for beam-driven plasma wakefield accelerators text January 2017
Experimental observation of proton bunch modulation in a plasma, at varying plasma densities text January 2018

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