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Comparison of neutron/gamma dose estimates: ion-chamber measurements vs. Monte Carlo calculations

Technical Report ·
OSTI ID:5733549
; ; ;
Ion-chamber measurements in a water phantom irradiated by neutrons from the Gas Target Neutron Source have been completed at depths of 3.5, 7.5, 10, 15 and 20 cm. It is now possible to construct a three-dimensional dose profile for both neutron- and gamma-absorbed doses. A novel way of correcting for the displacement of water by the ion chambers and GM counter was utilized. Comparison of these results with previous Monte Carlo calculations indicates problems with neutrons scattered within the irradiation room.
Research Organization:
Wisconsin Univ., Madison (USA). Dept. of Medical Physics
DOE Contract Number:
AC02-76EV01105
OSTI ID:
5733549
Report Number(s):
DOE/EV/01105-303; ON: DE83017601
Country of Publication:
United States
Language:
English

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Related Subjects

61 RADIATION PROTECTION AND DOSIMETRY
655003* -- Medical Physics-- Dosimetry
BARYONS
COMPARATIVE EVALUATIONS
DEPTH DOSE DISTRIBUTIONS
DOSIMETRY
ELEMENTARY PARTICLES
FERMIONS
HADRONS
IONIZATION CHAMBERS
MEASURING INSTRUMENTS
MOCKUP
MONTE CARLO METHOD
NEUTRON DOSIMETRY
NEUTRONS
NUCLEONS
PHANTOMS
RADIATION DETECTORS
RADIATION DOSE DISTRIBUTIONS
SPATIAL DOSE DISTRIBUTIONS
STRUCTURAL MODELS