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2011•Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and AtomsRequires access

Experimental Research of Measurement Method of ~(129)I Transmutation Ratio Based on Neutron Activation Analysis

Xuesong Li

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Abstract

Based on neutron activation analysis(NAA) technology,a reliable and convenient method was developed for 129I transmutation ratio measurement.Simulative targets of natural 127I were designed to examine the feasibility of the method.One reference target and two transmutation targets of 127I(simulating targets before and after transmutation,respectively) were irradiated together on a NAA device.According to the intensity ratio of gamma ray emitted by 128I in the transmutation targets and the reference,transmutation ratio was measured correctly.The results show that the NAA method developed in this work is feasible and convenient,and could be used for determining the transmutation ratio of 129I.

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What this paper is about

Based on neutron activation analysis(NAA) technology,a reliable and convenient method was developed for 129I transmutation ratio measurement.Simulative targets of natural 127I were designed to examine the feasibility of the method.One reference target and two transmutation targets of 127I(simulating targets before and after transmutation,respectively) were irradiated together on a NAA device.According to the intensity ratio of gamma ray emitted by 128I in the transmutation targets and the reference,transmutation ratio was measured correctly.The results show that the NAA method developed in this work is feasible and convenient,and could be used for determining the transmutation ratio of 129I.

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Available abstract

Based on neutron activation analysis(NAA) technology,a reliable and convenient method was developed for 129I transmutation ratio measurement.Simulative targets of natural 127I were designed to examine the feasibility of the method.One reference target and two transmutation targets of 127I(simulating targets before and after transmutation,respectively) were irradiated together on a NAA device.According to the intensity ratio of gamma ray emitted by 128I in the transmutation targets and the reference,transmutation ratio was measured correctly.The results show that the NAA method developed in this work is feasible and convenient,and could be used for determining the transmutation ratio of 129I.

Key concepts: Nuclear transmutation, Neutron, Radiochemistry, Neutron activation analysis, Nuclear engineering, Materials science, Nuclear physics, Chemistry

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