AW: no reference given

[Franz Schönhofer <franz.schoenhofer@CHELLO.AT>]

Thank you for your message. I guess that many recipients of RADSAFE

would have appreciated your message even more if you had given it a

reference.



Franz



Franz Schoenhofer

PhD, MR iR

Habicherg. 31/7

A-1160 Vienna

AUSTRIA

phone -43-0699-1168-1319





> -----Ursprüngliche Nachricht-----

> Von: owner-radsafe@list.vanderbilt.edu [mailto:owner-

> radsafe@list.vanderbilt.edu] Im Auftrag von Harry J. Newman, CHP

> Gesendet: Dienstag, 04. Jänner 2005 18:31

> An: darin.j.mceleney@usace.army.mil

> Cc: radsafe@list.vanderbilt.edu

> Betreff:

> 

> Darin

> This subject is an issue that is important due to the fact that labs

don't

> always measure efficiency in the same way, or in the same way you will

be

> doing your measurements.  Examples of differences include geometry,

> backing materials (important for beta), matrix (attenuation), etc.

You

> don't say exactly what your application is, but it is very important

to

> understand the physics of what you are doing and the procedure the lab

> uses to determine efficiency if you really want quantification.  For

> example, there are edge effects on detectors that may need to be

> considered.  I seem to recall some discussion of these issues in some

of

> the MARSSIM related NUREGS.  From my standpoint, doing your own

efficiency

> calcs is preferred to using those of others, provided you have

appropriate

> standards.  This way you have complete control over the process and

> interpretation of the results.

> If you are really interested give me a call and we can discuss.

> 

> Regards,

> Harry

> 

> Harry J. Newman, CHP

> Principal/Technical Director

> NEXTEP Environmental, Inc.

> 808 Lyndon Lane, Ste. 201

> Louisville, KY  40222

> (502) 339-9767

> (502) 339-9275 (fax)

> (502) 777-2857 (cell)

> hnewman@nextep.cc

> 

> 

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