High contrast neutron radiography with optical devices in Kyoto University reactor

被引：3

作者：

Kawabata, Y ^{[1
]}

Nakano, T

Hino, M

Sunohara, H

Matsushima, U

Takenaka, N

机构：

[1] Kyoto Univ, Res Reactor Inst, Kumatori, Osaka 5900494, Japan

[2] Kyoto Univ, Fac Engn, Kyoto 6068501, Japan

[3] Univ Ryukyus, Fac Agr, Nishihara, Okinawa 9030213, Japan

[4] Kobe Univ, Dept Engn Mech, Kobe, Hyogo 6578501, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2004年 / 529卷 / 1-3期

关键词：

neutron radiography; VCN; high contrast; supermirror;

D O I：

10.1016/j.nima.2004.04.212

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The high-contrast neutron radiography has been performed at a VCN guide (VCN) and a supermirror cold neutron guide (CN-3) in Kyoto University Reactor. The large absorption cross-section of very low-energy neutrons can show a slight change of sample which thermal neutrons can not show. The effectiveness is shown in the fields of botany, agriculture and industrial researches. A new spectrum change option using high Q(c) supermirror (m = 4) is attached. It can change the upper limit of the energy of exposure neutrons by reflections, and gives a high flexibility of the experimental condition. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：238 / 242

页数：5

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