ISLANDS OF RUNAWAY ELECTRONS IN THE TEXTOR TOKAMAK AND RELATION TO TRANSPORT IN A STOCHASTIC FIELD

被引：90

作者：

JASPERS, R ^{[1
]}

CARDOZO, NJL ^{[1
]}

FINKEN, KH ^{[1
]}

SCHOKKER, BC ^{[1
]}

MANK, G ^{[1
]}

FUCHS, G ^{[1
]}

SCHULLER, FC ^{[1
]}

机构：

[1] KFA JULICH,FORSCHUNGSZENTRUM JULICH,INST PLASMAPHYS,D-52425 JULICH,GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.72.4093

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A population of 30 MeV runaway electrons in the TEXTOR tokamak is diagnosed by their synchrotron emission. During pellet injection a large fraction of the population is lost within 600 mus. This rapid loss is attributed to stochastization of the magnetic field. The remaining runaways form a narrow, helical beam at the q = 1 drift surface. The radial and poloidal diffusion of this beam is extremely slow, D < 0.02 m2/s. The fact that the beam survives the period of stochastic field shows that in the chaotic sea big magnetic islands must remain intact.

引用

页码：4093 / 4096

页数：4

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