First Wall Problem - Carboran

Discuss how polywell fusion works; share theoretical questions and answers.

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MSimon
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Post by MSimon »

Keegan,

Nice work!

As you point out - there is a lot of engineering and testing to be done, but so far no show stoppers.
Engineering is the art of making what you want from what you can get at a profit.

drmike
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Post by drmike »

Keegan - I don't want to rain on your parade, but the 3-LI-7(A,INL)3-LI-7 means an "inelastic" collision. See EXFOR manual, page 58. I think the fact that we can't find any reaction
cross sections means it a) hasn't been measured and b) we probably don't
need to worry about it until you get above 10 MeV. Since none of our alphas get there, there will be no fusion reactions between (Li, A) reactions.

I did a little scanning on the NNDC and found a bunch of interesting reactions: 3-LI-7(A,N+A)3-LI-6 3-LI-7(A,P)4-BE-10 3-LI-7(A,T+A)2-HE-4
3-LI-7(A,X)2-HE-4 and just about all of them start at 4 or 5 MeV. Most are cross section as a function of angle, and I don't feel like integrating total barns, but the data is there if we need it. At the energies we are dealing with, your diamond coating will work fine, no need to put Lithium in there.

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