Physics – Instrumentation and Detectors
Scientific paper
2007-11-08
Physics
Instrumentation and Detectors
22 pages, 14 figures
Scientific paper
We consider the results of modeling of the efficiency of registration of thermal neutrons by the converters, which are made from natural gadolinium and its 157 isotope foils. Efficiency for a case of falling of neutrons under various angles to a plane of converters is calculated. It is shown, that at small angles of falling of neutrons to a plane of converters it is possible to receive the efficiency of registration close to a theoretical limit. Efficiency of the complex converter made of kapton supporting film with gadolinium converters layered on both its sides is considered. All calculations are carried out for four fixed neutron energies, which correspond to the wavelengths of 1, 1.8, 3 and 4 $\AA$.
Abdushukurov D. A.
Bondarenko D. V.
Chistyakov Yu. D.
Muminov Kh. Kh.
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