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RE: gamma ray cascades
Tom
I recommend you use one of the editions of Lederer et al "Table of
Isotopes". The one I like most is the old 1967 Sixth Edition; John Wiley &
Sons because it is more compact and has everything that I usually need. I
think the latest one is 1999 Ninth Edition; also Wiley?.
John
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John R Johnson, Ph.D.
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-----Original Message-----
From: owner-radsafe@list.vanderbilt.edu
[mailto:owner-radsafe@list.vanderbilt.edu]On Behalf Of Tom Hazlett
Sent: February 2, 2004 8:13 AM
To: radsafe@list.vanderbilt.edu
Subject: gamma ray cascades
Radsafers,
My team is working on dose instrumentation. We are experiencing some
difficulty in finding a refference (hopefully a list) of isotopes that
produce gamma ray cascades. What I mean is isotopes that emit several
energies at the same time. The problem this causes is that we see false
high energy events when two or more lower energy photons are summed at
the detector and that causes errors in the dose estimation.
Tom Hazlett
XRF Corporation
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