Annual Meeting of the Division of Plasma Physics of the APS

Name: Annual Meeting of the Division of Plasma Physics of the APS

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Created at: Fri Jul 27 23:53:33 -0700 2007

Updated at: Fri Jul 27 23:53:33 -0700 2007

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2 papers from the conference:

title:	Transverse dynamics of a short, relativistic electron bunch in a plasma lens
format:	conference procceeding
conference:	Annual Meeting of the Division of Plasma Physics of the APS
year:	1995
6 authors:	G. Hairapetian | P. Davis | C. E. Clayton | C. Joshi | C. Pellegrini | T. Katsouleas
abstract:	Dynamic focusing of a 3.8 MeV, 25 ps long, full width at half-maximum (FWHM), electron bunch by an overdense (n/sub p/[right angle bracket][right angle bracket]n/sub b/, where n/sub p/ and n/sub b/ are the plasma and bunch densities, respectively) plasma lens has been studied experimentally. The plasma focused the bunch from an initial transverse size of approximately 2.4 mm (FWHM) to about 0.5 mm, 21 cm downstream of the plasma. The sharp rise time (7 ps 10%-90%) of the electron bunch, excites a large-amplitude ([left angle bracket]1 MeV/m) plasma wave (plasma wake field). The peak focusing force of the lens is partly (60%) due to the beam-generated, azimuthal magnetic field and partly (40%) due to the radial component of the electrostatic wake field. (29 References).
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title:	Demonstration of electron beam self-focusing in plasma wake fields
format:	conference procceeding
conference:	Annual Meeting of the Division of Plasma Physics of the APS
year:	1990
10 authors:	J. B. Rosenzweig | Schoessow, P. | Cole, B. | Ho, C. | W. Gai | Konecny, R. | Mtingwa, S. | Norem, J. | Rosing, M. | Simpson, J.
abstract:	The direct observation of wake-field self-focusing of an electron beam in plasma is reported. The dynamics of beam self-pinching and the fast collisionless evolution of a Bennett-like, near-equilibrium profile are examined theoretically and computationally. The experimental results are compared to predictions of the analysis and discussed in the context of application to the plasma lens and the plasma wake-field accelerator. (19 References).
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