Observation of Plasma Focusing of a 28.5 GeV Positron Beam

J. S. T. Ng¹, P. Chen¹, H. Baldis^2,*, P. Bolton^2,†, D. Cline³, W. Craddock¹, C. Crawford⁴, F. J. Decker¹, C. Field¹, Y. Fukui³, V. Kumar³, R. Iverson¹, F. King¹, R. E. Kirby¹, K. Nakajima⁵, R. Noble^4,‡, A. Ogata⁶, P. Raimondi¹, D. Walz¹, and A. W. Weidemann^7
1Stanford Linear Accelerator Center, P.O. Box 4349, Stanford, California 94309
²Lawrence Livermore National Laboratory, Livermore, California 94551
³University of California, Los Angeles, California 90024
⁴Fermi National Accelerator Laboratory, Batavia, Illinois 60510
⁵High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801 Japan
⁶Hiroshima University, Kagamiyama, Higashi-Hiroshima, 739-8526 Japan
⁷Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennesee 37996

^*Also at Department of Applied Science, University of California, Davis, California.

^†Now at SLAC, Stanford University, Stanford, California.

^‡Now at SLAC, Stanford University, Stanford, California.