3 papers

title:	Demonstration of Electron-Beam Self-Focusing in Plasma Wake Fields
format:	unknown
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.
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title:	Experimental studies of plasma wake-field acceleration and focusing
format:	unknown
year:	1990
10 authors:	J. B. Rosenzweig | Cole, B. | Ho, C. | W. Gai | Konecny, R. | Mtingwa, S. | Norem, J. | Rosing, M. | Schoessow, P. | Simpson, J.
abstract:	The Plasma Wake-field Accelerator (PWFA) continues to be the object of much investigation, due to the promise of the ultra-high accelerating gradients that can exist in relativistic plasma waves driven in the wake of charged particle beams. These large amplitude plasma wake-fields are of interest in the laboratory, both for the wealth of basic nonlinear plasma wave phenomena which can be studied, as well as for the applications of acceleration and focusing of electrons and positrons in linear colliders. Plasma wake-field waves are also of importance in nature, due to their possible role in direct cosmic ray acceleration. The purpose of the present work is to review the experimental advances made in PWFA research at Argonne National Laboratory, in which many interesting beam and plasma phenomena have been observed. Emphasis is given to discussion of the nonlinear aspects of the PWFA beam-plasma interaction. (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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