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Characteristics of A-150 Plastic Equivalent Gas in A-150 Plastic Ionization Chambers for (p-66 - Be-49) Neutrons
[report]
1982
unpublished
Preserved Fulltext
The evaluation of a gas mixture having an atomic composition similar to that of A-150 TE-plastic has been extended to a high energy neutron therapy beam. "A-150" gas, air and methane-based TE gas were each flowed through A-150 plastic-walled ion chambers of different sizes and irradiated with p(66)Be(49) neutrons. A tentative value for W(A-150) of 27.3 +0.5 J c-l was derived for this beam. The W value of the A-150 gas mixture is compared to those of methane-based
doi:10.2172/1156160
fatcat:3oo44my3prf7rlq4bvar4rqhum