Phys. Rev. Lett. 95, 234801 (2005) [4 pages]

Drift Compression of an Intense Neutralized Ion Beam

Abstract

References

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P. K. Roy¹, S. S. Yu¹, E. Henestroza¹, A. Anders¹, F. M. Bieniosek¹, J. Coleman¹, S. Eylon¹, W. G. Greenway¹, M. Leitner¹, B. G. Logan¹, W. L. Waldron¹, D. R. Welch², C. Thoma², A. B. Sefkow³, E. P. Gilson³, P. C. Efthimion³, and R. C. Davidson³
¹Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California, 94720, USA
²ATK Mission Research, Albuquerque, New Mexico 87110-3946, USA
³Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543-0451, USA

Received 9 September 2005; published 29 November 2005

Longitudinal compression of a velocity-tailored, intense neutralized K⁺ 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.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.95.234801

DOI:

10.1103/PhysRevLett.95.234801

PACS:

41.85.Ct

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Phys. Rev. Lett. 95, 234801 (2005) [4 pages]

Drift Compression of an Intense Neutralized Ion Beam