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Zhang, H.D.

Paper Title Page
THO1C02 High Intensity Beam Physics at UMER 629
  • B.L. Beaudoin, S. Bernal, M. Cornacchia, K. Fiuza, I. Haber, R.A. Kishek, T.W. Koeth, P.G. O'Shea, M. Reiser, D.F. Sutter, H.D. Zhang
    UMD, College Park, Maryland

We report on progress of studies of transverse and longitudinal space-charge beam physics at the University of Maryland electron ring (UMER), a low-energy, high current recirculator. The transverse beam dynamics studies include measurements of betatron and dispersion functions as well as linear resonances for a number of beam currents. We also discuss the implementation of induction focusing for the longitudinal containment of the lowest current beam. When complemented with optimized orbit steering, this longitudinal beam focusing has made possible to extend the number of turns from 100 to more than 1,000, limited mostly by electronics. Some of the results presented are compared with calculations and simulations with the computer codes ELEGANT and WARP.


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