Localised Microwave Bursts During ELMs on MAST
Localised Microwave Bursts During ELMs on MAST
复制标题
MAST 上 ELM 期间的局部微波爆发
DOI:
10.1051/epjconf/20158703008
复制
发表时间:
2015
影响因子:
--
通讯作者:
Freethy S
中科院分区:
文献类型:
--
作者:
Freethy S
Bursts of microwave emission are observed during ELM events on the Mega Ampère Spherical Tokamak. In agreement with observations on other machines, these bursts are up to 3 orders of magnitude more intense than the thermal background, but are electron cyclotron in nature. The peak in microwave emission is ~20μ before the peak in midplane Dαemission. Using the Synthetic Aperture Microwave Imaging radiometer, we are able to demonstrate that these bursts are often highly spatially localised and preferentially occur at the tokamak midplane. It is hypothesised that the localisation is a result of Doppler resonance broadening for electron Bernstein waves and the high perpendicular electron energies could be the result of pitch angle scattering in high collisionality regions of the plasma.
登录
查看更多内容
影响因子:
2.2
作者:
X. Peng;X. Qiu
通讯作者:
X. Qiu
影响因子:
2.2
作者:
C. Fuchs;M. Austin
通讯作者:
M. Austin
影响因子:
3.3
作者:
G. Taylor;C. Bush;E. Fredrickson;H. Park;A. Ramsey
通讯作者:
A. Ramsey
影响因子:
2.2
作者:
I. Fernández;J. R. Martin;R. Sánchez
通讯作者:
R. Sánchez