First measurement of neutron emission profile on JT-60U using Stilbene neutron detector with neutron-gamma discrimination

被引：49

作者：

Ishikawa, M ^{[1
]}

Nishitani, T

Morioka, A

Takechi, M

Shinohara, K

Shimada, M

Miura, Y

Nagami, M

Kaschuck, YA

机构：

[1] Univ Tsukuba, Plasma Res Ctr, Tsukuba, Ibaraki 3058877, Japan

[2] Japan Atom Energy Res Inst, Naka Fus Res Estab, Naka, Ibaraki 3190193, Japan

[3] Troitsk Inst Innovating & Fus Res, Troitsk 142092, Moscow Region, Russia

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2002年 / 73卷 / 12期

关键词：

D O I：

10.1063/1.1518145

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This article describes a diagnostic for measuring neutron emission profile in JT-60U. The Stilbene neutron detector, developed by TRINITI laboratory in Russia, has been installed on the JT-60U Tokamak to measure the neutron emission profile for the first time. The Stilbene neutron detector is a detector which combines a Stilbene crystal scintillator with a neutron-gamma pulse shape discrimination circuit, with a very compact size. Performance tests were carried out using neutron and gamma-ray source prior to installation on JT-60U. Good gamma suppression of the Stilbene neutron detector was verified. Though the neutron emission profile obtained by Stilbene neutron detectors has error of 30% in innermost channel with a calculation using measured plasma parameters, there is an agreement within 10% error in the other channels. (C) 2002 American Institute of Physics.

引用

页码：4237 / 4242

页数：6

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