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FIRST MEASUREMENTS OF TRITIUM RECYCLING IN TFTR

机译：TFTR中RIT再循环的首次测量

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摘要

The first spectroscopic measurements of tritium Balmer alpha (T_α) emission from a fusion plasma were made on TFTR using a Fabry-Perot interferometer. The tritium alpha (T_α) emission line is partially blended with the deuterium alpha (D_α) line, commonly used in edge plasma diagnostics, and the contributions of H_α, D_α and T_α are separated by spectral analysis. The data are a measure of the fuelling of the plasma by tritium accumulated in the TFTR limiter, as well as the amount of neutral tritium generated by charge exchange of plasma ions. The T_α line first became detectable in a high power, tritium only, neutral beam injection discharge at the level of T_α/(H_α + D_α + T_α) = 2%. Subsequently this ratio has increased to as high as 7.5%. Data on the time evolution of the T_α emission during a single discharge and over a series of tritium and deuterium discharges are presented.
机译：使用Fabry-Perot干涉仪在TFTR上对融合等离子体产生的Balmerα（T_α）发射进行了首次光谱学测量。 edgeα（T_α）发射线与边缘等离子诊断中常用的氘α（D_α）线部分混合，并且通过光谱分析将H_α，D_α和T_α的贡献分开。数据是对TFTR限幅器中累积的the对等离子体提供燃料的量度，以及对等离子体离子进行电荷交换而产生的中性tri量的量度。首先以T_α/（H_α+D_α+T_α）= 2％的电平在高功率，仅tri中性束注入放电中检测到T_α线。随后，该比率增加到高达7.5％。给出了有关一次放电以及一系列tri和氘放电中T_α发射时间演变的数据。

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