On Sun, Feb 28, 2016 at 8:50 PM, Bob Higgins <rj.bob.higg...@gmail.com> wrote:
Jones, the moral of the story is that the large amount of lead (and it > probably took a whole lot for the HPGe detector) converted some of the > cosmic rays into a small *neutron* flux. MFMP did not measure neutrons. > To play devil's advocate, the hypothetical neutron flux could have produced short-lived beta radioisotopes when they activated something in or near the experiment. (This might or might not be plausible.) Eric
