Re: Isotopes and Copper Activation

[Paul Rossi <prossi@msu.edu>]

>Radsafers:
>
>I'm screening copper bars for a client.  They are 1/4 in thick by 4 in wide
>by about 1 foot long.  They were used years ago in accelerator windings, and
>contain some cobalt-60 activity (Cu-64 + n, alpha = Co-60).  Can anybody
>tell me some other photon-emitting isotopes that might result from copper
>activation so I can put them in the gamma spec library?

You should also see Co-57 and Mn-54 if the activation was recent.



 Paul Rossi, HP II
 Michigan State University
 Office of Radiation, Biological, and Chemical Safety
 National Superconducting Cyclotron Laboratory
 PROSSI@MSU.EDU
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