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Proceedings Paper

Pepper-pot emittance measurement of laser-plasma wakefield accelerated electrons
Author(s): R. P. Shanks; M. P. Anania; E. Brunetti; S. Cipiccia; B. Ersfeld; J. G. Gallacher; R. C. Issac; M. R. Islam; G. Vieux; G. H. Welsh; S. M. Wiggins; D. A. Jaroszynski
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Paper Abstract

The transverse emittance is an important parameter governing the brightness of an electron beam. Here we present the first pepper-pot measurement of the transverse emittance for a mono-energetic electron beam from a laser-plasma wakefield accelerator, carried out on the Advanced Laser-Plasma High Energy Accelerators towards X-Rays (ALPHA-X) beam line. Mono-energetic electrons are passed through an array of 52 μm diameter holes in a tungsten mask. The pepper-pot results set an upper limit for the normalised emittance at 5.5 ± 1 π mm mrad for an 82 MeV beam.

Paper Details

Date Published: 7 May 2009
PDF: 10 pages
Proc. SPIE 7359, Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond, 735907 (7 May 2009); doi: 10.1117/12.820706
Show Author Affiliations
R. P. Shanks, Univ. of Strathclyde (United Kingdom)
M. P. Anania, Univ. of Strathclyde (United Kingdom)
E. Brunetti, Univ. of Strathclyde (United Kingdom)
S. Cipiccia, Univ. of Strathclyde (United Kingdom)
B. Ersfeld, Univ. of Strathclyde (United Kingdom)
J. G. Gallacher, Univ. of Strathclyde (United Kingdom)
R. C. Issac, Univ. of Strathclyde (United Kingdom)
M. R. Islam, Univ. of Strathclyde (United Kingdom)
G. Vieux, Univ. of Strathclyde (United Kingdom)
G. H. Welsh, Univ. of Strathclyde (United Kingdom)
S. M. Wiggins, Univ. of Strathclyde (United Kingdom)
D. A. Jaroszynski, Univ. of Strathclyde (United Kingdom)


Published in SPIE Proceedings Vol. 7359:
Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond
Dino A. Jaroszynski; Antoine Rousse, Editor(s)

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