At 04:32 PM 10/20/2010, [email protected] wrote:
Of course, but IMO it still qualifies as DD fusion, in as much as D is the fuel,
nothing else is involved, and He4 is the ash.

"DD fusion" strongly implies a reaction between two deuterons. Even though you can justify another meaning for it, that's not what is associated with it. Again and again, you will encounter in the skeptical literature an assertion that the characteristics of "DD fusion" are well known.

I've been simply calling it deuterium fusion, and making the point that it is probably not "d-d fusion." It has the heat/helium ration of d-d fusion, but any fusion process that starts with deuterium and ends with helium will, no matter what the pathway (unless, of course, there are significant other products.

I've identified this semantic error as a major part of how cold fusion was assassinated. I don't think they intended to be deceptive, the skeptics, but they simply imagined that everyone who was claiming "fusion" was claiming d-d fusion, and the attempts to rationalize d-d fusion didn't help, i.e., the attempt to, say, postulate a Mossbauer-effect-like transfer of energy to the lattice instead of the emission of a gamma ray.

There were so many problems with this that, politically, it would have been better, far better, to temporarily and provisionally abandon any idea that this was d-d fusion. It was an "unknown nuclear reaction," and it still is, but because we now know that the ash is helium and can rather safely assume, at this point, that the fuel is deuterium (not ruling out the possiblity of other kinds of fusion under different conditions), so it's "deuterium fusion" with an unknown mechanism. but some idea that it might be cluster fusion, a simple form which explains very much of the experimental evidence is 4D fusion.

By the way, the fast electrons you mentioned might possibly be an answer. I don't know enough to speculate much. If we get a TSC condensate, and if in that state the Be-8 lasts longer than it would otherwise -- it might -- then the excited nucleus could have time to radiate the excitation energy to the lattice as photons (euv?). These would be difficult to detect.

What happens if the Be-8 then fissions while still in the BEC? The BEC, now consisting of two helium atoms, would fly apart, I understand, and the electrons would share in that expansion. There are a number of possibilities, Storms mentions that we might see, for example, fast atoms. Neutrally charged! That is not a common phenomenon. A helium nucleus with its electrons at 23.8 MeV? Those electrons would not stay attached for long, and most of the energy would be with the nucleus. That doesn't work. But if the electrons and the helium expand in six different (but balanced, of course, conservation of momentum) directions, how much energy would each carry?

I don't know. I only pretend I learned a little physics so many years ago. Shallow, it was. Just enough to be able to recognise light from dark.

The total energy would be about 180 KeV, as I recall, from the ground state decay of Be-8, average 30 KeV per particle, or perhaps it would be 45 KeV for the electrons. I'd think that would generate Bremsstrahlung that would be observed.

But larger clusters could have unfused atoms that would also carry away energy.

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