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## Accelerator-Driven Subcritical Reactors

 Quote by mheslep Eh? All four OP links in this thread are on application of new high voltage insulators to cheaper more compact medical proton therapies, the term fusion is not used therein. I became interested when your post raised fusion in conjunction w/ particle acceleration, or its non-feasibility, and still am interested to see what I learn from the particle accelerator community as to how the applicable accelerator physics (or engineering) might be applied to confinement (not, the GeV/MeV devices themselves).
But that's what I meant! I didn't make the connection of those links to fusion. The OP did!

 Quote by mheslep 15 MeV electrons? Seems like that would be just a big X-Ray machine since $$P_{Br} [\textrm{Watt/m}^3] = \left[{n_e \over 7.69 \times 10^{18} \textrm{m}^{-3} }\right]^2 T_e[\textrm{eV}]^{1/2}$$
It could be. Our aim isn't getting to some high energy, but rather the GAIN in energy. About 2 months ago, we managed to get a significant milestone in which we managed to show a 100 MV/m gradient in the wakefield generated in such a dielectric accelerating structure. Note that a conventional copper accelerating structure can only manage up to 40 MV/m. This could lead to a more efficient and compact accelerator, just the type mentioned in the OP.

It is significant enough that our funding agency immediately agreed to pay for the "accessories" needed for a second Klystron that we planned for.

Zz.
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