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
>
>

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