Phys. Rev. ST Accel. Beams 12, 020101 (2009) [9 pages]Time-dependent phase-space characterization of intense charged particle beams
D. Stratakis *, R. A. Kishek, R. B. Fiorito, K. Tian †, I. Haber, P. G. O’Shea, M. Reiser, and J. C. T. Thangaraj Received 3 October 2008; published 18 February 2009 Knowledge of the three-dimensional structure of a charged particle beam bunch is essential for understanding its evolution and for initializing computer simulations, especially when space charge is involved. This paper presents a novel experimental method for time-sliced mapping of the transverse phase space of a space-charge dominated beam based on tomographic principles. The combination of a high precision tomographic diagnostic with fast imaging screens and a gated camera are used to produce phase-space maps of two beams: one with a parabolic current profile and another with a short perturbation atop a rectangular pulse. The correlations between longitudinal and transverse phase spaces are apparent and their impact on the dynamics is discussed. ©2009 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevSTAB.12.020101
* Present address: Brookhaven National Laboratory, Upton, NY 11973.
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