[ RadSafe ] Neutron Detection Instrument Recommendation

JPreisig at aol.com JPreisig at aol.com
Mon Feb 25 14:49:08 CST 2013

Dear Radsafe:
     I like LiI(Eu) detectors for thermal  neutrons.  You can read about 
them in Patterson and 
Thomas's book Accelerator Health Physics, if you actually find a  copy.  
Also interesting is any
book of course notes on Accelerator Health Physics by Cossairt.
    Neutron Remballs, I believe, have BF3 detectors.   The detectors just 
can be pulled out of the
spherical moderator.  Don't know who makes the remballs.
    Ludlum has LiI(Eu) detectors for sale, and I expect you  could buy one 
or two such detectors without
a full set of Bonner Sphere moderators, which are pretty expensive.
    Good Luck...  Joe Preisig
In a message dated 2/25/2013 2:27:50 P.M. Eastern Standard Time,  
louie.cueva at boeing.com writes:

I  received an atypical "Friday afternoon" question from a researcher and 
wanted  to share with the list.  His interest is in detecting ambient thermal 
 neutrons via boron interactions.  Essentially he's looking for a "bare"  
BF3 detection instrument without a polyethylene moderator.  Hoping to  garner 
ideas for commercial off the shelf products (or close to it) that might  
fit the bill?  Most results I found in quick internet searches of common  
radiation safety instrumentation providers yielded instruments that are either  
moderated or have moved to He-3 detector designs.

Any suggestions are  greatly appreciated!

Louie Cueva
Boeing Radiation Health  Protection
Environment, Health & Safety
206.544.4315 desk |  206.653.5754  mobile
louie.cueva at boeing.com

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