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  Betatron radiation diagnostics for AWAKE Run 2

Williamson, B., Xia, G., Gessner, S., Petrenko, A., & Farmer, J. (2020). Betatron radiation diagnostics for AWAKE Run 2. Nuclear Instruments and Methods in Physics Research Section A, 971, 164076. doi:10.1016/j.nima.2020.164076.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-1BC1-0 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-1BC2-F
Genre: Journal Article

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 Creators:
Williamson, B.1, Author
Xia, G.1, Author
Gessner, S.1, Author
Petrenko, A.1, Author
Farmer, J.1, Author
Affiliations:
1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650              

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Free keywords: AWAKE
 Abstract: AWAKE Run 2 aims to preserve the transverse normalised emittance of an externally injected electron beam throughout acceleration, requiring a new diagnostic to measure the beam emittance after the accelerating plasma stage. Spectroscopy of the betatron emission from the electron beam could be suitable for this case. The method of trace-space reconstruction from a measured betatron spectrum is described via a simplified analytical model in order to assess its suitability the AWAKE experiment. The expected betatron emission from witness electrons at AWAKE is characterised using 3D quasi-static PIC simulations, revealing a measurable quantity of UV to soft x-ray emission. Practical challenges for the measurement are discussed.

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 Dates: 2020
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: Other: MPP-2020-248
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2020-248
DOI: 10.1016/j.nima.2020.164076
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Title: Nuclear Instruments and Methods in Physics Research Section A
  Abbreviation : Nucl.Instrum.Meth.A
Source Genre: Journal
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Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 971 Sequence Number: - Start / End Page: 164076 Identifier: -