[ RadSafe ] Na 22 PET question
crispy_bird at yahoo.com
Fri Apr 28 07:23:48 CDT 2006
You set your discriminator to the 0.511 Mev energy
annihilation photons. See page 66 at
--- Gary Isenhower <garyi at trinityphysics.com> wrote:
> How can Na 22 be used to find efficiency for wipe
> counters at PET
> facilities, if the Na 22 has that extra 1.2 Mev
> photon with every
> decay? Doesn't that mess up the efficiency or do
> the counters correct
> for that somehow?
> Thanks for any help,
> Gary Isenhower, M.S.
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"A scientist's aim in a discussion with his colleagues is not to persuade, but to clarify."
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Certified Health Physicist
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