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Title: Long-range attraction of an ultrarelativistic electron beam by a column of neutral plasma

Journal Article · · New Journal of Physics

Here, we report on the experimental observation of the attraction of a beam of ultrarelativistic electrons towards a column of neutral plasma. In experiments performed at the FACET test facility at SLAC we observe that an electron beam moving parallel to a neutral plasma column, at an initial distance of many plasma column radii, is attracted into the column. Once the beam enters the plasma it drives a plasma wake similar to that of an electron beam entering the plasma column head-on. A simple analytical model is developed in order to capture the essential physics of the attractive force. The attraction is further studied by 3D particle-in-cell numerical simulations. The results are an important step towards better understanding of particle beam–plasma interactions in general and plasma wakefield accelerator technology in particular.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
217 AC02-76SF00515; SC0010064; PHY-1415386
OSTI ID:
1328717
Alternate ID(s):
OSTI ID: 1328718; OSTI ID: 1369472
Journal Information:
New Journal of Physics, Journal Name: New Journal of Physics Vol. 18 Journal Issue: 10; ISSN 1367-2630
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United Kingdom
Language:
English
Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

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  • Adli, E.; Gessner, S. J.; Corde, S.
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journal May 2015

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Tailored plasma-density profiles for enhanced energy extraction in passive plasma beam dumps journal October 2019

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