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RE: A "dirty bomb" question
Syd
The energies are in keV, not MeV, and the low energy photons are L X-rays.
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John R Johnson, Ph.D.
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President, IDIAS, Inc
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-----Original Message-----
From: owner-radsafe@list.vanderbilt.edu
[mailto:owner-radsafe@list.vanderbilt.edu]On Behalf Of Syd Levine
(AnaLog)
Sent: October 28, 2003 9:23 AM
To: Thomas M Lashley; Richard L. Hess
Cc: radsafe@list.vanderbilt.edu
Subject: Re: A "dirty bomb" question
True, but it also puts out a 59.5 meV gamma, and I think a 14 meV gamma as
well. The 59.5 meV gamma is handy for setting the discrimination circuit in
gross count scintillation gamma ray oil well logging tools.
Syd H. Levine
AnaLog Services, Inc.
Phone: 270-276-5671
Telefax: 270-276-5588
E-mail: analog@logwell.com
URL: www.logwell.com
----- Original Message -----
From: "Thomas M Lashley" <lashleyt@DTEENERGY.COM>
To: "Richard L. Hess" <lists@richardhess.com>
Cc: <radsafe@list.vanderbilt.edu>
Sent: Tuesday, October 28, 2003 6:29 AM
Subject: Re: A "dirty bomb" question
> I thought ionization smoke detectors used an alpha source like
americium-241.
>
> Tom Lashley
> mailto:LashleyT@DTEenergy.com
>
> "Richard L. Hess" wrote:
>
> > I don't know about this smoke detector thing. I have two models of smoke
> > detectors in my house--both must be photoelectric--because my CDV-700
> > didn't click more near them (with the beta shield open) than away from
them
> > and it seems to be working and reasonably calibrated based on the
uranium
> > check source on the side.
> >
> > Cheers,
> >
> > Richard
> >
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>
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