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is appropriate for questions dealing with the physics of beams in accelerators (synchrotrons, cyclotrons, linacs, betatrons and other types of accelerators); the ways in which beams are generated; the accelerating, bending and focusing equipment; and the intrinsic limits that arise in trying to manipulate beams. DO NOT USE THIS TAG for questions that concern the use of the particle beams once they arrive in the experimental hall.

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Does an einzel lens draw current?

I was trying to think about the physics of a single particle in an Einzel lens. As it enters the lens, it would draw negative current, and then as it leaves the lens, it would draw positive current. …
Erik McKee's user avatar