APPLICATION OF ELECTRON–POSITRON ANNIHILATION FOR DETERMINING THE THICKNESS OF THE BARRIER LAYER ON VVÉR FUEL-ELEMENT CLADDING

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Abstract

The possibility of using the nuclear-physical method of positron annihilation to determine the thickness of a barrier layer consisting of zirconium on the inner surface of VVÉR fuel-element claddings is examined. The basic principles and possibilities of the method and the results of investigations are presented.

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