I wrote: This observation [of a change in the number of nucleons] is what lead to an > earlier comment of mine that there might be a large experimental > uncertainty. Or there's something changing the number of nucleons for 64Zn > and/or 64Ni, in which case I personally have no conjecture to propose. >
On second thought, there is one possibility I might propose. If there is an alpha emitter present whose decay is being induced, it may be that alpha capture is taking the mass 64 peaks to 66 and 68, etc. Eric
