University of Maryland Electron Ring (UMER):

I. Haber, S. Bernal, B. Beaudoin, M. Cornacchia, D. Feldman, R.B. Feldman, R. Fiorito, K. Fiuza, T.F. Godlove, R.A. Kishek, P.G. O'Shea, B. Quinn, C. Papadopoulos, M. Reiser, D. Stratakis, D. Sutter, J.C.T. Thangaraj, K. Tian, M. Walter, and C. Wu, "Scaled electron studies at the University of Maryland," Nucl. Inst. and Meth. In Phys. Res. A 606, 64 (2009). 

B. Beaudoin, I. Haber, R.A. Kishek, S. Bernal, T. Koeth, D. Sutter, P.G. O.Shea, and M. Reiser, "Longitudinal Confinement and Matching of an Intense Electron Beam," Phys. Plasmas 18, 013104 (2011).

Paul Trap Simulator Experiment (PTSX):

Use of a Linear Paul Trap to Study Random Noise-Induced Beam Degradation in High-Intensity Accelerators, M. Chung, E. P. Gilson, R. C. Davidson, P. C. Efthimion, and R. Majeski, Phys. Rev. Lett., 102 145003 (2009). http://w3.pppl.gov/~egilson/pub/Chung%20-%20Phys.%20Rev.%20Lett.%20102%20145003%20(2009).pdf

Paul Trap Simulator Experiment to Model Intense-Beam Propagation in Alternating-Gradient Transport Systems, E. P. Gilson, R. C. Davidson, P. C. Efthimion, and R. Majeski, Phys. Rev. Lett. 92, 155002 (2004). http://w3.pppl.gov/~egilson/pub/PTSX_PRL_155002.pdf