Reply To: Fusion Oil

[zapkitty]

Brian H wrote: AFAIK, there is unstable C12 briefly in the mix, but no C11. Where’s the ref to that?

Referring to the side reaction that’s the reason for the recommended ~9 hour wait after shutdown before accessing an FF core.

http://en.wikipedia.org/wiki/Aneutronic_fusion#Residual_radiation_from_a_p.E2.80.9311B_reactor

Occasionally a p + B11 reaction could produce a C11 and a neutron instead of an overly excited C12. It’s supposed to be one of the sources of what little neutron radiation boron fusion produces.

And the C11 itself has a half-life of ~20 minutes as it turns back into B11 and thus the ~9 hour wait. This would presumably also apply to impromptu core accesses incurred while on the highway…