Overview of neutron and confined/escaping alpha diagnostics planned for ITER

被引：34

作者：

Sasao, M ^{[1
]}

Krasilnikov, AV

Nishitani, T

Batistoni, P

Zaveryaev, V

Kaschuck, YA

Popovichev, S

Iguchi, T

Jarvis, ON

Kallne, J

Fiore, CL

Roquemore, L

Heidbrink, WW

Donne, AJH

Costley, AE

Walker, C

机构：

[1] Tohoku Univ, Dept Quantum Sci & Energy Engn, Sendai, Miyagi, Japan

[2] TRINITI, Troitsk, Russia

[3] JAERI, Tokai, Ibaraki, Japan

[4] ENEA, Rome, Italy

[5] Kurchatov Inst, Moscow, Russia

[6] EURATOM, UKAEA Fus Assoc, Culham Sci Ctr, Abingdon, Oxon, England

[7] Nagoya Univ, Nagoya, Aichi, Japan

[8] Uppsala Univ, Dept Neutron Res, Uppsala, Sweden

[9] MIT, PPL, Cambridge, MA USA

[10] PPPL, Princeton, NJ USA

[11] UC Irvine, Dept Phys & Astron, Irvine, CA USA

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2004年 / 46卷 / 07期

关键词：

D O I：

10.1088/0741-3335/46/7/S08

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Fusion product measurements planned for ITER are reviewed from the viewpoint of alpha particle-related physics studies. Recent advances in fusion plasma physics have extended the desirable measurement requirements to the megahertz region for neutron emission rate, better resolution of neutron profiles for the study of internal transport barriers (ITBs), etc. Employing threshold counters and/or scintillation detectors confers megahertz capability on neutron emission rate measurement. The changes in the neutron/alpha particle birth profile due to the formation of ITB and its deviation from uniformity on the magnetic flux surface can be measured by addition of eight viewing chords in an equatorial port plug and seven viewing chords from the divertor to the original radial neutron camera. On the other hand, it is still difficult to measure the distributions of confined and escaping alpha particles. Several proposals to resolve these difficulties are currently under investigation.

引用

页码：S107 / S118

页数：12

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