An experimental setup for studying spectra of β particles emitted by mixtures of 235U and 239Pu thermal neutron fission products

被引：0

作者：

K. A. Balygin

M. D. Karetnikov

A. I. Klimov

V. I. Kopeikin

V. A. Kurkin

E. A. Meleshko

Yu. N. Panin

A. A. Sabel’nikov

机构：

[1] National Research Centre Kurchatov Institute,

来源：

Instruments and Experimental Techniques | 2014年 / 57卷

关键词：

Fission Product; Neutron Beam; Conversion Electron; Particle Spectrum; Spectrum Ratio;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

An experimental setup on the thermal neutron beam of the IR-8 reactor at the National Research Centre Kurchatov Institute is described. This setup has been designed to precisely measure the ratio of spectra of β particles emitted by mixtures of 235U and 239Pu fission products. The experiment is based on simultaneous measurements of β spectra from fissile isotopes 235U and 239Pu and the background spectrum in the same neutron beam. Measurements of the β spectra are taken by a high-selectivity β spectrometer in the time interval when the neutron beam is intercepted by a mechanical chopper. The evolution of the measurement technique is considered.

引用

页码：22 / 27

页数：5

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