Re: *** Correction *** Isotopes and Copper Activation

["George Ascione" <gascione@pppl.gov>]

As Les pointed out - M for minutes.  That's what happens when you do
something in a hurry.


Activation of copper may produce:

Cu-62	9.74Minutes	
Co-62m	13.9m
Co-62	1.5m
Ni-65	2.52Hours
Cu-64	12.7H
Co-60	5.27 Years


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> From: K. Paul Steinmeyer <rso@neca.com>
> To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
> Subject: Isotopes and Copper Activation
> Date: Monday, October 07, 1996 4:24 PM
> 
> 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?
>