Phys. Rev. Lett. 90, 205002 (2003) [4 pages]

Ultrarelativistic-Positron-Beam Transport through Meter-Scale Plasmas

Abstract

References

Citing Articles (20)

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M. J. Hogan¹, C. E. Clayton², C. Huang², P. Muggli³, S. Wang², B. E. Blue², D. Walz¹, K. A. Marsh², C. L. O’Connell¹, S. Lee³, R. Iverson¹, F.-J. Decker¹, P. Raimondi¹, W. B. Mori², T. C. Katsouleas³, C. Joshi², and R. H. Siemann¹
¹Stanford Linear Accelerator Center, Stanford, California 94309, USA
²University of California, Los Angeles, California 90095, USA
³University of Southern California, Los Angeles, California 90089, USA

Received 26 November 2002; published 21 May 2003

We report on the first study of the dynamic transverse forces imparted to an ultrarelativistic positron beam by a long plasma in the underdense regime. Focusing of the 28.5 GeV beam is observed from time-resolved beam profiles after the 1.4 m plasma. The strength of the imparted force varies along the ∼12 ps full length of the bunch as well as with plasma density. Computer simulations substantiate the longitudinal aberration seen in the data and reveal mechanisms for emittance degradation.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.90.205002

DOI:

10.1103/PhysRevLett.90.205002

PACS:

52.40.Mj, 41.75.Ht, 41.75.Lx

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Phys. Rev. Lett. 90, 205002 (2003) [4 pages]

Ultrarelativistic-Positron-Beam Transport through Meter-Scale Plasmas