HIGH-EFFICIENCY MODERATOR FOR PULSED NEUTRON-DIFFRACTION

被引：5

作者：

MAYER, RE ^{[1
]}

GRANADA, JR ^{[1
]}

GILLETTE, VH ^{[1
]}

DAWIDOWSKI, J ^{[1
]}

机构：

[1] NATL UNIV CUYO,INST BALSEIRO,RA-5500 MENDOZA,ARGENTINA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1990年 / 288卷 / 2-3期

关键词：

D O I：

10.1016/0168-9002(90)90140-2

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Moderators consisting of clusters of smaller slow-neutron-decoupled moderating elements were tested through experiments of pulsed neutron diffraction, leakage spectrum measurement, and neutron pulse decay. A simple slab and a thin "sandwich" moderator were also measured for comparison purposes. For a given time width of the neutron pulse in the usual wavelength range for neutron diffraction, the proposed assembly produced a much higher neutron yield. Clues to the implementation of the desired time-response in moderator design and optimization are suggested by the present results. © 1990.

引用

页码：467 / 476

页数：10

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