[ RadSafe ] Na 22 PET question

Gary Isenhower garyi at trinityphysics.com
Thu Apr 27 09:46:23 CDT 2006

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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