In another experiment they are measuring the decay form germanium to gallium, and in this experiment they are forcing an "udecay" fro gallium to germanium. I think both decaya are too complex to be calculated theoricaly, but the rates can be compared and in the comparison they note the problem.
* Perhaps the energy of the decay is small and it's easy to get neutrinos with enough energy to revert it???
* The ammount of gallium they get is tiny, perhaps it's easier to process a liquid target to detect it???
In another experiment they are measuring the decay form germanium to gallium, and in this experiment they are forcing an "udecay" fro gallium to germanium. I think both decaya are too complex to be calculated theoricaly, but the rates can be compared and in the comparison they note the problem.
* Perhaps the energy of the decay is small and it's easy to get neutrinos with enough energy to revert it???
* The ammount of gallium they get is tiny, perhaps it's easier to process a liquid target to detect it???