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Title: High-field plasma acceleration in a high-ionization-potential gas

Abstract

Plasma accelerators driven by particle beams are a very promising future accelerator technology as they can sustain high accelerating fields over long distances with high energy efficiency. They rely on the excitation of a plasma wave in the wake of a drive beam. To generate the plasma, a neutral gas can be field-ionized by the head of the drive beam, in which case the distance of acceleration and energy gain can be strongly limited by head erosion. In our research, we overcome this limit and demonstrate that electrons in the tail of a drive beam can be accelerated by up to 27 GeV in a high-ionization-potential gas (argon), boosting their initial 20.35 GeV energy by 130%. Particle-in-cell simulations show that the argon plasma is sustaining very high electric fields, of ~150 GV m-1, over ~20 cm. Lastly, the results open new possibilities for the design of particle beam drivers and plasma sources.

Authors:
ORCiD logo [1];  [2];  [3]; ORCiD logo [4];  [3];  [3];  [4];  [3];  [3];  [3];  [3];  [3];  [4];  [3];  [5];  [4];  [4]; ORCiD logo [4];  [3];  [3]
  1. Univ. Paris-Saclay, Palaiseau (France)
  2. Univ. of Oslo (Norway)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Univ. of California, Los Angeles, CA (United States)
  5. Tsinghua Univ., Beijing (China)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1272103
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 7; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Corde, S., Adli, E., Allen, J. M., An, W., Clarke, C. I., Clausse, B., Clayton, C. E., Delahaye, J. P., Frederico, J., Gessner, S., Green, S. Z., Hogan, M. J., Joshi, C., Litos, M., Lu, W., Marsh, K. A., Mori, W. B., Vafaei-Najafabadi, N., Walz, D., and Yakimenko, V. High-field plasma acceleration in a high-ionization-potential gas. United States: N. p., 2016. Web. doi:10.1038/ncomms11898.
Corde, S., Adli, E., Allen, J. M., An, W., Clarke, C. I., Clausse, B., Clayton, C. E., Delahaye, J. P., Frederico, J., Gessner, S., Green, S. Z., Hogan, M. J., Joshi, C., Litos, M., Lu, W., Marsh, K. A., Mori, W. B., Vafaei-Najafabadi, N., Walz, D., & Yakimenko, V. High-field plasma acceleration in a high-ionization-potential gas. United States. doi:10.1038/ncomms11898.
Corde, S., Adli, E., Allen, J. M., An, W., Clarke, C. I., Clausse, B., Clayton, C. E., Delahaye, J. P., Frederico, J., Gessner, S., Green, S. Z., Hogan, M. J., Joshi, C., Litos, M., Lu, W., Marsh, K. A., Mori, W. B., Vafaei-Najafabadi, N., Walz, D., and Yakimenko, V. Fri . "High-field plasma acceleration in a high-ionization-potential gas". United States. doi:10.1038/ncomms11898. https://www.osti.gov/servlets/purl/1272103.
@article{osti_1272103,
title = {High-field plasma acceleration in a high-ionization-potential gas},
author = {Corde, S. and Adli, E. and Allen, J. M. and An, W. and Clarke, C. I. and Clausse, B. and Clayton, C. E. and Delahaye, J. P. and Frederico, J. and Gessner, S. and Green, S. Z. and Hogan, M. J. and Joshi, C. and Litos, M. and Lu, W. and Marsh, K. A. and Mori, W. B. and Vafaei-Najafabadi, N. and Walz, D. and Yakimenko, V.},
abstractNote = {Plasma accelerators driven by particle beams are a very promising future accelerator technology as they can sustain high accelerating fields over long distances with high energy efficiency. They rely on the excitation of a plasma wave in the wake of a drive beam. To generate the plasma, a neutral gas can be field-ionized by the head of the drive beam, in which case the distance of acceleration and energy gain can be strongly limited by head erosion. In our research, we overcome this limit and demonstrate that electrons in the tail of a drive beam can be accelerated by up to 27 GeV in a high-ionization-potential gas (argon), boosting their initial 20.35 GeV energy by 130%. Particle-in-cell simulations show that the argon plasma is sustaining very high electric fields, of ~150 GV m-1, over ~20 cm. Lastly, the results open new possibilities for the design of particle beam drivers and plasma sources.},
doi = {10.1038/ncomms11898},
journal = {Nature Communications},
number = ,
volume = 7,
place = {United States},
year = {2016},
month = {6}
}

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