Eric, on the little info I could find in public domain, I understand that ß+ decay happens within the nucleus. Are you saying that there are quite some exceptions?
On Sat, Mar 22, 2014 at 7:10 AM, Eric Walker <eric.wal...@gmail.com> wrote: > On Fri, Mar 21, 2014 at 7:54 AM, Teslaalset > <robbiehobbiesh...@gmail.com>wrote: > > >> 1. The ß+ decay energy of Cu(x) > Ni(x) + e+ + ve (2 -4 MeV) of each >> decay step in the chain, causing the Ni/Cu powder to heat up. >> >> I think the electron-positron annihilation photons from the radioactive > decay of certain isotopes of nickel would escape the system. Since the > mean free path of these photons is long, they would be unlikely to > thermalize, unless some sort of 100 percent efficiency gamma thermalization > mechanism is at play. (Only handfuls of gammas are typically seen.) > > Eric > >