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Title: Hot spots and dark current in advanced plasma wakefield accelerators

Abstract

Dark current can spoil witness bunch beam quality and acceleration efficiency in particle beam-driven plasma wakefield accelerators. In advanced schemes, hot spots generated by the drive beam or the wakefield can release electrons from higher ionization threshold levels in the plasma media. These electrons may be trapped inside the plasma wake and will then accumulate dark current, which is generally detrimental for a clear and unspoiled plasma acceleration process. Strategies for generating clean and robust, dark current free plasma wake cavities are devised and analyzed, and crucial aspects for experimental realization of such optimized scenarios are discussed.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States); RadiaSoft LLC, Boulder, CO (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1236514
Alternate Identifier(s):
OSTI ID: 1236568; OSTI ID: 1392965
Grant/Contract Number:  
AC02-05CH11231; FG02-07ER46272; FG03-92ER40693; SC0009533; N00014-06-1-0925; EP/J018171/1; 654148; 312453; SC0013855
Resource Type:
Journal Article: Published Article
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Volume: 19; Journal Issue: 1; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY

Citation Formats

Manahan, G. G., Deng, A., Karger, O., Xi, Y., Knetsch, A., Litos, M., Wittig, G., Heinemann, T., Smith, J., Sheng, Z. M., Jaroszynski, D. A., Andonian, G., Bruhwiler, D. L., Rosenzweig, J. B., and Hidding, B. Hot spots and dark current in advanced plasma wakefield accelerators. United States: N. p., 2016. Web. doi:10.1103/PhysRevAccelBeams.19.011303.
Manahan, G. G., Deng, A., Karger, O., Xi, Y., Knetsch, A., Litos, M., Wittig, G., Heinemann, T., Smith, J., Sheng, Z. M., Jaroszynski, D. A., Andonian, G., Bruhwiler, D. L., Rosenzweig, J. B., & Hidding, B. Hot spots and dark current in advanced plasma wakefield accelerators. United States. https://doi.org/10.1103/PhysRevAccelBeams.19.011303
Manahan, G. G., Deng, A., Karger, O., Xi, Y., Knetsch, A., Litos, M., Wittig, G., Heinemann, T., Smith, J., Sheng, Z. M., Jaroszynski, D. A., Andonian, G., Bruhwiler, D. L., Rosenzweig, J. B., and Hidding, B. Fri . "Hot spots and dark current in advanced plasma wakefield accelerators". United States. https://doi.org/10.1103/PhysRevAccelBeams.19.011303.
@article{osti_1236514,
title = {Hot spots and dark current in advanced plasma wakefield accelerators},
author = {Manahan, G. G. and Deng, A. and Karger, O. and Xi, Y. and Knetsch, A. and Litos, M. and Wittig, G. and Heinemann, T. and Smith, J. and Sheng, Z. M. and Jaroszynski, D. A. and Andonian, G. and Bruhwiler, D. L. and Rosenzweig, J. B. and Hidding, B.},
abstractNote = {Dark current can spoil witness bunch beam quality and acceleration efficiency in particle beam-driven plasma wakefield accelerators. In advanced schemes, hot spots generated by the drive beam or the wakefield can release electrons from higher ionization threshold levels in the plasma media. These electrons may be trapped inside the plasma wake and will then accumulate dark current, which is generally detrimental for a clear and unspoiled plasma acceleration process. Strategies for generating clean and robust, dark current free plasma wake cavities are devised and analyzed, and crucial aspects for experimental realization of such optimized scenarios are discussed.},
doi = {10.1103/PhysRevAccelBeams.19.011303},
url = {https://www.osti.gov/biblio/1236514}, journal = {Physical Review Accelerators and Beams},
issn = {2469-9888},
number = 1,
volume = 19,
place = {United States},
year = {2016},
month = {1}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at https://doi.org/10.1103/PhysRevAccelBeams.19.011303

Citation Metrics:
Cited by: 2 works
Citation information provided by
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    • Manahan, G. G.; Habib, A. F.; Scherkl, P.
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    Plasma accelerator-based ultrabright x-ray beams from ultrabright electron beams
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