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Phys Rev Lett. 2005 Dec 02;95(23):234801. doi: 10.1103/PhysRevLett.95.234801. Epub 2005 Nov 29.

Drift compression of an intense neutralized ion beam.

Physical review letters

P K Roy, S S Yu, E Henestroza, A Anders, F M Bieniosek, J Coleman, S Eylon, W G Greenway, M Leitner, B G Logan, W L Waldron, D R Welch, C Thoma, A B Sefkow, E P Gilson, P C Efthimion, R C Davidson

Affiliations

  1. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA.

PMID: 16384309 DOI: 10.1103/PhysRevLett.95.234801

Abstract

Longitudinal compression of a velocity-tailored, intense neutralized beam at 300 keV, 25 mA has been demonstrated. The compression takes place in a 1-2 m drift section filled with plasma to provide space-charge neutralization. An induction cell produces a head-to-tail velocity ramp that longitudinally compresses the neutralized beam, enhancing the beam peak current by a factor of 50 and producing a pulse duration of about 3 ns. This measurement has been confirmed independently with two different diagnostic systems.

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