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Spatial sensitivity measurements of a prompt gamma IVNAA facility
D J Borovnicar1, D B Stroud, R P Rasool
1Department of Medical Physics, Monash Medical Centre, Melbourne, Vic., Australia.
Australasian Physical & Engineering Sciences in Medicine
|March 1, 1991
Abstract:
A technique has been developed for measuring the spatial sensitivity of a prompt gamma in vivo neutron activation analysis facility as used for determining total body nitrogen (i.e. protein). A water filled perspex phantom was used to simulate a patient. Relative spatial sensitivity of the system was measured at various positions in the tank by observing the prompt gamma rays from thermal neutron capture in the 35Cl of a carbon tetrachloride sample contained in a small glass phial.