FIELD: physics.
SUBSTANCE: invention relates to a source of gamma radiation comprising enriched iridium-191 and boron-11. It is possible to substitute boron with aluminum, silicon, vanadium, titanium, nickel, platinum, phosphorus and/or a combination thereof. Some embodiments may include fusing. Some embodiments may include sintering.
EFFECT: decrease in self-relaxation of the radiation of a disk intended for radiological sources, due to a smaller use of iridium-191, and also a decrease in the distortion of the spectral composition of the radiation in the direction of increasing the rigidity of the radiation.
21 cl, 3 dwg
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