Neutron Diffraction and Spectrometry at the RADEX Pulsed Neutron Source of the Institute for Nuclear Research, Russian Academy of Sciences

被引：1

作者：

Litvin, V. S. ^{[1
,2
]}

Alekseev, A. A. ^{[1
]}

Trunov, D. N. ^{[1
]}

Aksenov, S. N. ^{[1
]}

Clementyev, E. S. ^{[1
,3
]}

Marin, V. N. ^{[1
]}

Potashev, S., I ^{[1
]}

Stolyarov, A. A. ^{[1
]}

Lebed, Yu B. ^{[1
]}

Kuznetsov, V. L. ^{[1
]}

Kuznetsov, S. P. ^{[2
]}

Meshkov, I., V ^{[2
]}

Sadykov, R. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

[2] Russian Acad Sci, Lebedev Phys Inst, Moscow 119333, Russia

[3] Immanuel Kant Baltic Fed Univ, Kaliningrad 236041, Russia

来源：

JOURNAL OF SURFACE INVESTIGATION | 2019年 / 13卷 / 02期

关键词：

pulsed neutron source; epithermal neutrons; neutron diffraction; DIFFRACTOMETER; SCATTERING; IN-06;

D O I：

10.1134/S1027451019020137

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The RADEX pulsed neutron source based on a linear proton accelerator at the Institute for Nuclear Research, the Russian Academy of Sciences, has one vertical channel with a 4-m path length and three horizontal channels with path lengths of approximately 10, 20, 30, and 50 m. The source is characterized by an unconventional configuration: the target and the water moderator are located perpendicularly to the proton beam; as a result, the neutron spectrum is enriched with epithermal and cascade neutrons. Using the source, investigations in the fields of nuclear physics, condensed-matter physics and nanostructures can be performed. The results obtained using various path lengths of horizontal channels of the RADEX neutron source are presented. Test measurements are conducted and direct beam spectra for the horizontal neutron channels and neutron diffraction patterns of test samples are obtained. The resolution for different path lengths of the neutron source is determined. The possibility of performing phase analysis is demonstrated.

引用

页码：188 / 194

页数：7

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