Jed Rothwell wrote: > Is there an H-D reaction?
Awkshually ... (according to Wiki) H+D is the predominant nuclear fusion reaction on our sun - not D+D. https://en.wikipedia.org/wiki/Deuterium_fusion Gamma radiation, or lack thereof is the key. Since H-D has no gamma signature - one point of the paper seems to be that a cold fusion reaction without gammas is by default H-D.