RE: Gamma Ray Constant for F-18

["Heinmiller, Bruce" <heinmillerb@aecl.ca>]

The cited reference has lots of significant figures, and has specified
units, but is rather cryptic about the quantity being tabulated.

Bruce Heinmiller CHP
heinmillerb@aecl.ca

> ----------
> From: 	carol marcus[SMTP:csmarcus@ucla.edu]
> Reply To: 	radsafe@romulus.ehs.uiuc.edu
> Sent: 	Monday, January 31, 2000 2:59 PM
> To: 	Multiple recipients of list
> Subject: 	Re: Gamma Ray Constant for F-18
> 
> At 12:11 PM 1/31/00 -0600, you wrote:
> >>I am looking for the true Gamma Ray Constant for F-18 in the nostalgic
> >units of R/hr-cm^2/mCi.  There have been values reported in the range of
> >5.7 - 8.  Can anyone pin it down for me?
> >>
> >Scott Dube
> >sdube@queens.org
> >************************************************************************
> >The RADSAFE Frequently Asked Questions list, archives and subscription
> >information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html
> >
> Dear Radsafers:
> 
> The specific gamma ray constant for F-18 in Nostalgic Units is 5.07.  My
> reference is Schleien B, Slaback LA, Jr., and Birky BK:  Handbook of
> Health
> Physics and Radiological Health, Third Edition, table p.6-9, 1998,
> Williams
> and Wilkins, Baltimore, MD. (The factor is in S.I. units, but you multiply
> by 27,000 to get to Nostalgic Units.)
> 
> Ciao, Carol
> 
> Carol S. Marcus, Ph.D., M.D.
> <csmarcus@ucla.edu>
> 
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