1 April 1992 Experimental study of a high-brightness H- beam and its transport through an ESQ focusing system
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Proceedings Volume 1629, Intense Microwave and Particle Beams III; (1992) https://doi.org/10.1117/12.137142
Event: OE/LASE '92, 1992, Los Angeles, CA, United States
Abstract
A 6-lens ESQ LEBT system is designed by a detailed computational analysis with the aim of transport a 30 mA, 35 kV high-brightness H- beam over a length of about 30 cm. The computer simulation studies are made using the beam parameters of two types of sources- -a Penning-Dudnikov source at Los Alamos and a volume ionization source of BNL. In our effort for a waist-to-waist transport mode with the ESQ system, the computer simulation results predict a factor of about 1.8 emittance enhancement of the output beam for the Penning-Dudnikov case, while the emittance growth is insignificant for beams from the volume source. The emittance growth is reduced to a factor of about 1.4 by rejecting approximately 10% of the beam particles in the Penning-Dudnikov case. The lens system is fabricated in-house at Maryland. Experiments on beam transport are planned to understand the physics of emittance growth and establish the confidence limit of the computer codes used.
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Samar Kumar Guharay, Samar Kumar Guharay, C. K. Allen, C. K. Allen, Martin P. Reiser, Martin P. Reiser, Patrick G. O'Shea, Patrick G. O'Shea, } "Experimental study of a high-brightness H- beam and its transport through an ESQ focusing system", Proc. SPIE 1629, Intense Microwave and Particle Beams III, (1 April 1992); doi: 10.1117/12.137142; https://doi.org/10.1117/12.137142
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