Runaway electron measurements in the JET tokamak

被引：56
|
作者：
Esposito, B
Solis, RM
vanBelle, P
Jarvis, ON
Marcus, FB
Sadler, G
Sanchez, R
Fischer, B
Froissard, P
Adams, JM
Cecil, E
Watkins, N
机构：
[1] ENEA,CRE,EURATOM ASSOC,I-00044 FRASCATI,ITALY
[2] UNIV CARLOS III MADRID,MADRID 28911,SPAIN
[3] AEA TECHNOL,HARWELL OX11 0RA,BERKS,ENGLAND
[4] COLORADO SCH MINES,GOLDEN,CO 80401
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 1996年 / 38卷 / 12期
关键词：
D O I：
10.1088/0741-3335/38/12/001
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：
The perpendicular x-ray emission up a to few MeV of runaway electrons has been measured in JET low-density ohmic discharges by means of the fast electron bremsstrahlung profile monitor. A diffusion model simulating the temporal evolution of the line-integrated x-ray signals is used to determine the runaway radial transport coefficient in the central region of the plasma (D-r similar or equal to 0.2 m(2) s(-1) for r/a < 0.5); a comparison is made with the predictions of magnetic and electrostatic turbulent transport theories and limits on the level of radial magnetic field fluctuations are found.
引用
收藏
页码：2035 / 2049
页数：15
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